Re: [Elecraft] External Speakers for K3
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Re: [Elecraft] External Speakers for K3
I have a great radio speaker made in the 1950's by the National Radio Company. 11x12x8 inch metal cabinet with 9-inch diameter speaker (no amplifier). K3 sounds very nice with it (I also have a Sony stereo headset when I need to hear even better). CM500 sometime in my future. The current HK computer speakers used with the KX3 will be replaced by a West Mountain amplified speaker which is immune to RFI (my wife is using a pair on her desk top to eliminate my RF). If Elecraft ever considers it, a generic K-line cabinet would be desirable for making a pretty station. One could install whatever in it. No need for a speaker, power supply, and several other accessories that are obtainable anywhere. 73. Ed - KL7UW __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
I have 2 sets of these for both of my K3's and they sound great plus they are shielded and amplified. One of the best buys out there. 73, Fred/N0AZZ K3 Ser #'s 6730/5299--KX3 # 2573--K2/100--KAT100 P3/SVGA--KPA500--KAT500--W2 -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bill Wiehe Sent: Monday, April 22, 2013 7:19 PM To: elecraft@mailman.qth.net Subject: [Elecraft] External Speakers for K3 I purchased a set of West Mountain COMspkr from HRO at Hamcation. About $40.00 and they work and sound great. The black cabinets match the K3 set up very nicely. Bill - W0BBI __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html - No virus found in this message. Checked by AVG - www.avg.com Version: 2013.0.2904 / Virus Database: 3162/6265 - Release Date: 04/22/13 - No virus found in this message. Checked by AVG - www.avg.com Version: 2013.0.2904 / Virus Database: 3162/6265 - Release Date: 04/22/13 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
H..Great, be nice if they could be run on 240/50Hz though for those of us languishing in the dark dim ages.:-( Oh just kidding.. I use the amplified speaker for the KX3 in the mobile and it helps a lot by adding some volume to the audio for those of us hearing challenged folks. 73 On 23 April 2013 18:38, Fred Smith m...@mo-net.com wrote: I have 2 sets of these for both of my K3's and they sound great plus they are shielded and amplified. One of the best buys out there. 73, Fred/N0AZZ K3 Ser #'s 6730/5299--KX3 # 2573--K2/100--KAT100 P3/SVGA--KPA500--KAT500--W2 -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bill Wiehe Sent: Monday, April 22, 2013 7:19 PM To: elecraft@mailman.qth.net Subject: [Elecraft] External Speakers for K3 I purchased a set of West Mountain COMspkr from HRO at Hamcation. About $40.00 and they work and sound great. The black cabinets match the K3 set up very nicely. Bill - W0BBI __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html - No virus found in this message. Checked by AVG - www.avg.com Version: 2013.0.2904 / Virus Database: 3162/6265 - Release Date: 04/22/13 - No virus found in this message. Checked by AVG - www.avg.com Version: 2013.0.2904 / Virus Database: 3162/6265 - Release Date: 04/22/13 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -- *Gary - VK1ZZ Skype: Gary.VK1ZZ Motorhome Portable The Shack* *Elecraft K3 P3 Panadapter KPA500FT KAT500FT** KX3-K * __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3
While I tend to agree with the OP I also understand that it would be a rather mundane task for Elecraft to manufacture speakers and that their talents are bettert utilized in updating firmware, advancing the technology inside our great rigs and so on. What I did do to achieve great audio was put a pair of 5.5 Dynaudios (Danish audiophile grade woofer/mid-range drivers) in a pair of gray PVC junction boxes obtained from Home Depot. I cut the appropriate-sized mounting holes in the cover panels, stuffed some cotton balls inside, ran some tiny speaker wires through a small hole in the back and mounted the speakers with some nice stainless steel screws. Arguably overkill but since I already had the drivers on hand I thought why not put them to good use? They now elegantly perch atop my gear---and best of all---make the K3 loud and clear! 73, Jeff, NH7RO Sent from my home computer while eating a bowl of oats for breakfast. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
My all time favorite speakers for general HF work is the classic old Motorola Land-Mobile Speakers. Not the newer plastic ones, but the old metal ones with the cream colored frame. I put rubber feet on the bottom and sit them on the desk next to or on top of my K3. Clay Freinwald, K7CR __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] External Speakers for K3
The K3 lacks matching external speakers offering better sound than the internal one. In the tradition of other leading manufacturers, Elecraft could even include a power supply in the enclosure (but I would be content with just a good sounding speaker). Any hope for this? Ramón Tristani, KP4GE r.trist...@gmail.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
I agree with those who say it is in our and Elecreft's best interest for them to concentrate on what they do best and let others excel in their own specialty. Speakers and power supplies are in that category. Probably not a lot of Return On Investment in designing speakers. Not a lot of gain for amateurs either. As this is one of the recurring threads you can find plenty of good suggestions in the archives. David K0LUM On Apr 22, 2013, at 12:40 PM, Ramon Tristani wrote: The K3 lacks matching external speakers offering better sound than the internal one. In the tradition of other leading manufacturers, Elecraft could even include a power supply in the enclosure (but I would be content with just a good sounding speaker). Any hope for this? Ramón Tristani, KP4GE r.trist...@gmail.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
I second that motion! Would certainly be a best seller with a power supply two speakers to match the line up.what a great idea, Ramon! Tom K2CIA. From: Ramon Tristani r.trist...@gmail.com To: elecraft@mailman.qth.net Sent: Monday, April 22, 2013 1:40 PM Subject: [Elecraft] External Speakers for K3 The K3 lacks matching external speakers offering better sound than the internal one. In the tradition of other leading manufacturers, Elecraft could even include a power supply in the enclosure (but I would be content with just a good sounding speaker). Any hope for this? Ramón Tristani, KP4GE r.trist...@gmail.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
Elecraft need not get into the business of designing power supplies and speakers, but if they would use off the shelf speakers and power supplies and fit them into a matching cabinet, it would be a seller! Bill, w7ij -Original Message- From: Ramon Tristani [mailto:r.trist...@gmail.com] Sent: Monday, April 22, 2013 10:41 AM To: elecraft@mailman.qth.net Subject: [Elecraft] External Speakers for K3 The K3 lacks matching external speakers offering better sound than the internal one. In the tradition of other leading manufacturers, Elecraft could even include a power supply in the enclosure (but I would be content with just a good sounding speaker). Any hope for this? Ramón Tristani, KP4GE r.trist...@gmail.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
OK no speaker since they do not make speakers,,,\ but they could sell an enclosure , P3 form factor grille punched out with internal standard mounting studs... for whatever that size hole could reasonably accommodate leaving the rest of the space for us to chop up for whatever we want./... one could even make a subframe to take smaller speakers than the main hole would permit... stuff you sdr in the back of your second speaker... Speakers do have better intelligibility when they are facing you I can do speakers, I cannot due a matching enclosure properly,.,,, bill ny9h/3 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
or they just can sell enclosures like K2 so we do our home brew speaker and power sources :) __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
No need for an Elecraft speaker here. Why talk about one speaker by the way? I use a set of computer stereo speakers. I need two speakers for my K3 (main RX and sub RX in nice stereo). The sound is good en more than adequate. For the price I got those, Elecraft can never compete with that. And I gues they won't. 73 Arie PA3A Op 22-4-2013 19:40, Ramon Tristani schreef: The K3 lacks matching external speakers offering better sound than the internal one. In the tradition of other leading manufacturers, Elecraft could even include a power supply in the enclosure (but I would be content with just a good sounding speaker). Any hope for this? __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
I would prefer them to offer a pre-punched cover toe the P3!!! Mel, K6KBE From: Ian Reeve ian.radioworks...@hotmail.co.uk To: bill steffey NY9H n...@arrl.net; elecraft@mailman.qth.net elecraft@mailman.qth.net Sent: Monday, April 22, 2013 12:21 PM Subject: Re: [Elecraft] External Speakers for K3 I agree totally with Bill, There are lots of speakers out there and it is the lack of a suitable matching K3 line case that is the issue. A pre-punched case with standard positioned mounting holes would be a good addition to the line up, for purchasers to add their own speaker to. As Bill says, intelligibility is best from forward facing speakers and a good quality 6 diameter speaker would sound great. Just make sure that a stereo jack is used for the rear jack socket... I am good at speakers but do not have the capability to make a decent matching enclosure. Lets sow the seeds at Elecraft for a well finished matching enclosure for users to add in a standard speaker of their choice. Ian Reeve MØIDR Date: Mon, 22 Apr 2013 14:39:32 -0400 To: elecraft@mailman.qth.net From: n...@arrl.net Subject: Re: [Elecraft] External Speakers for K3 OK no speaker since they do not make speakers,,,\ but they could sell an enclosure , P3 form factor grille punched out with internal standard mounting studs... for whatever that size hole could reasonably accommodate leaving the rest of the space for us to chop up for whatever we want./... one could even make a subframe to take smaller speakers than the main hole would permit... stuff you sdr in the back of your second speaker... Speakers do have better intelligibility when they are facing you I can do speakers, I cannot due a matching enclosure properly,.,,, bill ny9h/3 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
On 4/22/2013 3:21 PM, Ian Reeve wrote: As Bill says, intelligibility is best from forward facing speakers and a good quality 6 diameter speaker would sound great. Just make sure that a stereo jack is used for the rear jack socket... Given the size of the P3 case I suspect one would be limited to a 3 or 3.5 (round) speaker or a 3 x 5 oval one. The interior of the P3 front panel is slightly less than 4 x 6 and will not accommodate either a 6 (round) speaker or 4 x 6 (oval). 73, ... Joe, W4TV __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
There are plenty of speakers to choose from on the market and do not cost that much either. As far as power supplies I would rather use my own a large one to power many different things in the shack I use 2 Astron 70 amp supplies a VS and a RS-70M. 73, Fred/N0AZZ -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Joe Subich, W4TV Sent: Monday, April 22, 2013 2:36 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] External Speakers for K3 On 4/22/2013 3:21 PM, Ian Reeve wrote: As Bill says, intelligibility is best from forward facing speakers and a good quality 6 diameter speaker would sound great. Just make sure that a stereo jack is used for the rear jack socket... Given the size of the P3 case I suspect one would be limited to a 3 or 3.5 (round) speaker or a 3 x 5 oval one. The interior of the P3 front panel is slightly less than 4 x 6 and will not accommodate either a 6 (round) speaker or 4 x 6 (oval). 73, ... Joe, W4TV __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html - No virus found in this message. Checked by AVG - www.avg.com Version: 2012.0.2241 / Virus Database: 3162/5763 - Release Date: 04/21/13 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
I use a pair of 4.25 square Realistic, AKA Radio Shack, Communication Speakers that are wired up to a stereo plug. Works great! I'd rather Elecraft spend their design and development time on something like point and click tuning for the SVGA adapter of the P3. 73, Tom Amateur Radio Operator N5GE ARRL Lifetime Member QCWA Lifetime Member On Mon, 22 Apr 2013 13:40:35 -0400, Ramon Tristani r.trist...@gmail.com wrote: The K3 lacks matching external speakers offering better sound than the internal one. In the tradition of other leading manufacturers, Elecraft could even include a power supply in the enclosure (but I would be content with just a good sounding speaker). Any hope for this? Ramón Tristani, KP4GE r.trist...@gmail.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
I don't use speakers a lot, but the best sounding ones I have ever used were the ones designed for land mobile radio in-car use. The GE Mastr II and the GE/Ericsson Delta speakers were designed to be rugged and were tailored for communications audio. I'm sure Motorola had equivalents, but I'm not all that familiar with their product line. The speakers are generally found under tables at hamfests for a few bucks. The black/gray Delta speakers even match the Elecraft line... ;-) 73, geo - n4ua On Mon, Apr 22, 2013 at 4:34 PM, Fred Smith m...@mo-net.com wrote: There are plenty of speakers to choose from on the market and do not cost that much either. As far as power supplies I would rather use my own a large one to power many different things in the shack I use 2 Astron 70 amp supplies a VS and a RS-70M. 73, Fred/N0AZZ -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Joe Subich, W4TV Sent: Monday, April 22, 2013 2:36 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] External Speakers for K3 On 4/22/2013 3:21 PM, Ian Reeve wrote: As Bill says, intelligibility is best from forward facing speakers and a good quality 6 diameter speaker would sound great. Just make sure that a stereo jack is used for the rear jack socket... Given the size of the P3 case I suspect one would be limited to a 3 or 3.5 (round) speaker or a 3 x 5 oval one. The interior of the P3 front panel is slightly less than 4 x 6 and will not accommodate either a 6 (round) speaker or 4 x 6 (oval). 73, ... Joe, W4TV __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html - No virus found in this message. Checked by AVG - www.avg.com Version: 2012.0.2241 / Virus Database: 3162/5763 - Release Date: 04/21/13 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
If you search the archives for this list, either Wayne or Eric use and recommend the Chill Pill speakers. They are intended for use with iPods. I can't see Elecraft wasting their development time on a product that is widely available from many other manufacturers, and at a range of costs. I could see a matching enclosure for a speaker and power supply, like Drake did with the MS-4 and AC-4. 73 de Jim - AD6CW On 4/22/2013 12:24 PM, Arie Kleingeld PA3A wrote: No need for an Elecraft speaker here. Why talk about one speaker by the way? I use a set of computer stereo speakers. I need two speakers for my K3 (main RX and sub RX in nice stereo). The sound is good en more than adequate. For the price I got those, Elecraft can never compete with that. And I gues they won't. 73 Arie PA3A __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
I too have used the 2-way radio speakers for more than 30 years and originally did with my K3. But after going thru the junk stach again a discovered I had a pair of amplified speakers (not cheap) used with Radio Dispatch Consoles as SELECT and UN-SELECT audio channels. They contain ~ 6 watt audio amp and a substancial speaker, power by 12 volts. So I now have plenty of audio and with the speakers spaced about 6 feet apart there is noticable separation, and the AFX function is great when desired. With the extra amplification and volume controls I can set the K3 volume control for hot earphone level, yet turn down the external speaker levels. I know it is overkill, but need to put the junk in use, or give it away :-) Pete W4WWQ - Original Message - From: George Dubovsky n4ua...@gmail.com To: Fred Smith m...@mo-net.com Cc: Elecraft Reflector elecraft@mailman.qth.net Sent: Monday, April 22, 2013 5:28 PM Subject: Re: [Elecraft] External Speakers for K3 I don't use speakers a lot, but the best sounding ones I have ever used were the ones designed for land mobile radio in-car use. The GE Mastr II and the GE/Ericsson Delta speakers were designed to be rugged and were tailored for communications audio. I'm sure Motorola had equivalents, but I'm not all that familiar with their product line. The speakers are generally found under tables at hamfests for a few bucks. The black/gray Delta speakers even match the Elecraft line... ;-) 73, geo - n4ua On Mon, Apr 22, 2013 at 4:34 PM, Fred Smith m...@mo-net.com wrote: There are plenty of speakers to choose from on the market and do not cost that much either. As far as power supplies I would rather use my own a large one to power many different things in the shack I use 2 Astron 70 amp supplies a VS and a RS-70M. 73, Fred/N0AZZ -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Joe Subich, W4TV Sent: Monday, April 22, 2013 2:36 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] External Speakers for K3 On 4/22/2013 3:21 PM, Ian Reeve wrote: As Bill says, intelligibility is best from forward facing speakers and a good quality 6 diameter speaker would sound great. Just make sure that a stereo jack is used for the rear jack socket... Given the size of the P3 case I suspect one would be limited to a 3 or 3.5 (round) speaker or a 3 x 5 oval one. The interior of the P3 front panel is slightly less than 4 x 6 and will not accommodate either a 6 (round) speaker or 4 x 6 (oval). 73, ... Joe, W4TV __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html - No virus found in this message. Checked by AVG - www.avg.com Version: 2012.0.2241 / Virus Database: 3162/5763 - Release Date: 04/21/13 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] External Speakers for K3
I purchased a set of West Mountain COMspkr from HRO at Hamcation. About $40.00 and they work and sound great. The black cabinets match the K3 set up very nicely. Bill - W0BBI __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
I was fortunate to find a pair of Radio Shack Optimus speakers (5 inch black cube) at a 2nd hand store for $5. They work great with my K3. You may be able to find something similar if you shop around a bit. These are non-amplified speakers and work quite well, no worries about RF feedback or other problems that sometimes occur with amplified varieties, and the K3 has more than adequate audio to drive these high efficiency speakers. Since the K3 tailors the audio response, there is not really a need for communications speakers - the RX EQ will shape the audio to your desires, so full range speakers will work great with the K3. For those who do SWLing, the full range speakers may be better for those users than communications speakers. 73, Don W3FPR On 4/22/2013 7:36 PM, Pete Lascell wrote: I too have used the 2-way radio speakers for more than 30 years and originally did with my K3. But after going thru the junk stach again a discovered I had a pair of amplified speakers (not cheap) used with Radio Dispatch Consoles as SELECT and UN-SELECT audio channels. They contain ~ 6 watt audio amp and a substancial speaker, power by 12 volts. So I now have plenty of audio and with the speakers spaced about 6 feet apart there is noticable separation, and the AFX function is great when desired. With the extra amplification and volume controls I can set the K3 volume control for hot earphone level, yet turn down the external speaker levels. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
I have a pair of vintage 5 bookshelf Hi-Fi speakers left over from my 1970's hi fi setup that I incorporated into my operating position design that do a wonderful job for me. Their enclosures are nicely finished wood enclosures about 6 by 8. They are actually the supports for a bridge about 6 above the operating desk that carries the K3, KPA500 and P3 and leaves the desktop under them clear for keys and other stuff. 73, Ron AC7AC -Original Message- I was fortunate to find a pair of Radio Shack Optimus speakers (5 inch black cube) at a 2nd hand store for $5. They work great with my K3. You may be able to find something similar if you shop around a bit. These are non-amplified speakers and work quite well, no worries about RF feedback or other problems that sometimes occur with amplified varieties, and the K3 has more than adequate audio to drive these high efficiency speakers. Since the K3 tailors the audio response, there is not really a need for communications speakers - the RX EQ will shape the audio to your desires, so full range speakers will work great with the K3. For those who do SWLing, the full range speakers may be better for those users than communications speakers. 73, Don W3FPR __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
I found a nice pair of the Optimus Minimus 7 speakers at a flea market for $10. They are a fine match for my K3 ... both audio and visual. 73, Mike WA5POK I purchased a set of West Mountain COMspkr from HRO at Hamcation. About $40.00 and they work and sound great. The black cabinets match the K3 set up very nicely. Bill - W0BBI __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
I have a single Realistic Optimus 7 that I've been using with my Lowe HF-150 for years. They stopped making those, but you can find them fairly cheap on eBay. wunder K6WRU On Apr 22, 2013, at 5:49 PM, Don Wilhelm wrote: I was fortunate to find a pair of Radio Shack Optimus speakers (5 inch black cube) at a 2nd hand store for $5. They work great with my K3. You may be able to find something similar if you shop around a bit. These are non-amplified speakers and work quite well, no worries about RF feedback or other problems that sometimes occur with amplified varieties, and the K3 has more than adequate audio to drive these high efficiency speakers. Since the K3 tailors the audio response, there is not really a need for communications speakers - the RX EQ will shape the audio to your desires, so full range speakers will work great with the K3. For those who do SWLing, the full range speakers may be better for those users than communications speakers. 73, Don W3FPR On 4/22/2013 7:36 PM, Pete Lascell wrote: I too have used the 2-way radio speakers for more than 30 years and originally did with my K3. But after going thru the junk stach again a discovered I had a pair of amplified speakers (not cheap) used with Radio Dispatch Consoles as SELECT and UN-SELECT audio channels. They contain ~ 6 watt audio amp and a substancial speaker, power by 12 volts. So I now have plenty of audio and with the speakers spaced about 6 feet apart there is noticable separation, and the AFX function is great when desired. With the extra amplification and volume controls I can set the K3 volume control for hot earphone level, yet turn down the external speaker levels. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -- Walter Underwood wun...@wunderwood.org __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
Oops, mine is a Realistic Minimus 7. Later, they were named the Optimus Pro 7. You can find a more full history of these nice little speakers here: http://www.angelfire.com/vt/audio/minimus.html wunder K6WRU On Apr 22, 2013, at 7:35 PM, Walter Underwood wrote: I have a single Realistic Optimus 7 that I've been using with my Lowe HF-150 for years. They stopped making those, but you can find them fairly cheap on eBay. wunder K6WRU On Apr 22, 2013, at 5:49 PM, Don Wilhelm wrote: I was fortunate to find a pair of Radio Shack Optimus speakers (5 inch black cube) at a 2nd hand store for $5. They work great with my K3. You may be able to find something similar if you shop around a bit. These are non-amplified speakers and work quite well, no worries about RF feedback or other problems that sometimes occur with amplified varieties, and the K3 has more than adequate audio to drive these high efficiency speakers. Since the K3 tailors the audio response, there is not really a need for communications speakers - the RX EQ will shape the audio to your desires, so full range speakers will work great with the K3. For those who do SWLing, the full range speakers may be better for those users than communications speakers. 73, Don W3FPR On 4/22/2013 7:36 PM, Pete Lascell wrote: I too have used the 2-way radio speakers for more than 30 years and originally did with my K3. But after going thru the junk stach again a discovered I had a pair of amplified speakers (not cheap) used with Radio Dispatch Consoles as SELECT and UN-SELECT audio channels. They contain ~ 6 watt audio amp and a substancial speaker, power by 12 volts. So I now have plenty of audio and with the speakers spaced about 6 feet apart there is noticable separation, and the AFX function is great when desired. With the extra amplification and volume controls I can set the K3 volume control for hot earphone level, yet turn down the external speaker levels. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -- Walter Underwood wun...@wunderwood.org __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -- Walter Underwood wun...@wunderwood.org __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External Speakers for K3
I also use Optimus 7 speakers, they work better on my K3 than any other speakers used so far. Easy to get on ebay. Dwayne WV5I __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3?
On Mon, 11 May 2009 12:11:06 -0500 Bill Maddock n4z...@yahoo.com wrote: I would like to find or build an external speaker for my K3. I want something that sounds good,will match closely and is realitively efficent like 92 db @ 1 watt/meter! -What is everyone using? Thanks and 73, Bill N4ZI K3 #1059 K3 #2914 __ Dear Bill, In my own humble-opinion the BEST ext. spkr for the K3 is one made by SOUNDS SWEET (Google it!) It may be a TAD larger than some would want by their rig BUT I assure you that the resulting audio to the Human hard-drive will be very sweet indeed!!! As I recall the retail price is now $109USD but well worth the investment!! Though it is a tad larger than most and heavier it's resulting audio output is FANTASTIC!!! Jim/nn6ee Concord, CA (Left-Coast!) __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3?
Gosh, I have nothing very fancy. I have been quite pleased with a speaker I bought from RadioShack for about $20. It is slightly less than 1 foot high and perhaps 8 inches wide. It carries the brand name RCA on it. It's probably made somewhere in China. However, it does sound pretty good. On CW, I tend to use earphones as I like the closer coupling you can get. I'm sure there are many more hi-fi options available but honestly this speaker I have appears to reproduce most of the audio spectrum coming from the K-3. Bruce-W8FU -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of JIM DAVIS Sent: Monday, May 11, 2009 6:13 PM To: Bill Maddock; elecraft@mailman.qth.net Subject: Re: [Elecraft] External speakers for K3? On Mon, 11 May 2009 12:11:06 -0500 Bill Maddock n4z...@yahoo.com wrote: I would like to find or build an external speaker for my K3. I want something that sounds good,will match closely and is realitively efficent like 92 db @ 1 watt/meter! -What is everyone using? Thanks and 73, Bill N4ZI K3 #1059 K3 #2914 __ Dear Bill, In my own humble-opinion the BEST ext. spkr for the K3 is one made by SOUNDS SWEET (Google it!) It may be a TAD larger than some would want by their rig BUT I assure you that the resulting audio to the Human hard-drive will be very sweet indeed!!! As I recall the retail price is now $109USD but well worth the investment!! Though it is a tad larger than most and heavier it's resulting audio output is FANTASTIC!!! Jim/nn6ee Concord, CA (Left-Coast!) __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3?
Bruce, I just ordered a set of 3 speakers on Ebay - They are Cobra HG-S100 - I am hoping That they will be good - My K3 is only 4 high - these are 5 inches high and have a 4 speaker. I will let everyone know how it turns out and compare them to my current Kenwood SP31. The HG-S100 look good in the pics. Price was right at 41.50 or so for all 3 shipped to my door! They offered HG-S300 and HG-S500 with some kind of noise reduction. I figure I'll let the K3 handle that - for that price I can find something to go in the 3 cases if I don't like the sound! 73 de Bill N4ZI K3's #1059 #2914 --- On Tue, 5/19/09, Bruce McLaughlin bmcla...@bex.net wrote: From: Bruce McLaughlin bmcla...@bex.net Subject: RE: [Elecraft] External speakers for K3? To: 'JIM DAVIS' nn...@astound.net, 'Bill Maddock' n4z...@yahoo.com, elecraft@mailman.qth.net Date: Tuesday, May 19, 2009, 3:44 PM Gosh, I have nothing very fancy. I have been quite pleased with a speaker I bought from RadioShack for about $20. It is slightly less than 1 foot high and perhaps 8 inches wide. It carries the brand name RCA on it. It's probably made somewhere in China. However, it does sound pretty good. On CW, I tend to use earphones as I like the closer coupling you can get. I'm sure there are many more hi-fi options available but honestly this speaker I have appears to reproduce most of the audio spectrum coming from the K-3. Bruce-W8FU -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of JIM DAVIS Sent: Monday, May 11, 2009 6:13 PM To: Bill Maddock; elecraft@mailman.qth.net Subject: Re: [Elecraft] External speakers for K3? On Mon, 11 May 2009 12:11:06 -0500 Bill Maddock n4z...@yahoo.com wrote: I would like to find or build an external speaker for my K3. I want something that sounds good,will match closely and is realitively efficent like 92 db @ 1 watt/meter! -What is everyone using? Thanks and 73, Bill N4ZI K3 #1059 K3 #2914 __ Dear Bill, In my own humble-opinion the BEST ext. spkr for the K3 is one made by SOUNDS SWEET (Google it!) It may be a TAD larger than some would want by their rig BUT I assure you that the resulting audio to the Human hard-drive will be very sweet indeed!!! As I recall the retail price is now $109USD but well worth the investment!! Though it is a tad larger than most and heavier it's resulting audio output is FANTASTIC!!! Jim/nn6ee Concord, CA (Left-Coast!) __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3?
Wes Stewart schrieb am 12 May 2009 um 9:20: I'm using a pair of Optimus Pro 7AV. These are heavy metal-cased units that look really nice with the K3. They look like the first ones in this link, except they have a textured black finish. http://www.angelfire.com/vt/audio/minimus.html I have a spare pair for sale if anyone is interested. I use a pair of Behringer MS20. This is an active monitor speaker with two analog and one digital input. I did not use the digital input but I use the speakers also for my PC sound. 73! de Werner OE9FWV -- - the purpose of life is to know it's purpose - Email powered by Pegasus Mail free at http://www.pmail.com Homepage: http://www.qsl.net/oe9fwv/ Fone +43 5522 75013 Fax +43 5522 75013 15 Mobile +43 664 6340014 Elecraft K2 #5203 K3 #656 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3?
Sold. --- On Tue, 5/12/09, Wes Stewart n...@yahoo.com wrote: From: Wes Stewart n...@yahoo.com Subject: Re: [Elecraft] External speakers for K3? To: elecraft@mailman.qth.net Date: Tuesday, May 12, 2009, 10:20 AM I'm using a pair of Optimus Pro 7AV. These are heavy metal-cased units that look really nice with the K3. They look like the first ones in this link, except they have a textured black finish. http://www.angelfire.com/vt/audio/minimus.html I have a spare pair for sale if anyone is interested. Wes N7WS __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3?
Brendan: For general communications use I am very fond indeed of the speakers Motorola made for their various mobile rigs over the years, They are very cheap, efficient and sound great for good quality communications audio. These are not Hifi speakers but for speech / CW they do a superb job. Mostly they seem to be a pretty close match in size and colour for the K3 too. I agree completely. Some of them are 2 Ohm though, The ones I use with My K3 at the moment are 2 Ohm ones, Since I do not know for sure if the AF amp in the K3 is happy driving an impedance this low I stuck a 2Ohm 2W resistor in series with each speaker and still have more than enough audio in my shack. I have seen these available in 4-Ohm and amplified variants too. Pretty much every radio in the shack is connected to a Moto speaker and I still buy them at rallies, collecting stuff I might need someday must be habit Anyone know if the can K3 drive a 2Ohm speaker without bad stuff happening ? In a recent e-mail from Lyle Johnson, KK7P, he stated that, while not 'designed' to drive 2-Ohm loads, the K3s AF amp should probably work OK BUT that if one attempted to drive the speakers too hard, and the AF amp attempted to draw excessive current (and starts to overheat), the amp would go into a protective shut-down mode, rather than risk damaging itself. For what it's worth, MOST (possibly all nowadays) of the newer, plastic-cased, Motorola NON-amplified speakers are now 8-Ohms... there may be some 4-Ohm speakers in the newer-style plastic ('fitted back') cases, but I suspect that almost all have now been switched to 8-Ohm speakers. I'm using a pair of 8-Ohm Motorola speakers on my K3 and it sounds just fine. Cheers, Tom Hammond N0SS __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] External speakers for K3?
I use Klipsch speakers with my K2 and they are great. They come with a subwoofer , so I also use them at the computer for iTunes, etc. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3?
I would not use any speaker less than 8 Ohms with the K3. The audio amplifier draws more current and distortion increases as the load impedance decreases. Best case THD+N vs. frequency for the audio amplifier is three times WORSE with 4 Ohm loads compared with 8 Ohm loads. 2 Ohm loads are not even spec'd. 73, ... Joe, W4TV -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Tom Hammond Sent: Tuesday, May 12, 2009 7:23 AM To: Brendan Minish; elecraft@mailman.qth.net Subject: Re: [Elecraft] External speakers for K3? Brendan: For general communications use I am very fond indeed of the speakers Motorola made for their various mobile rigs over the years, They are very cheap, efficient and sound great for good quality communications audio. These are not Hifi speakers but for speech / CW they do a superb job. Mostly they seem to be a pretty close match in size and colour for the K3 too. I agree completely. Some of them are 2 Ohm though, The ones I use with My K3 at the moment are 2 Ohm ones, Since I do not know for sure if the AF amp in the K3 is happy driving an impedance this low I stuck a 2Ohm 2W resistor in series with each speaker and still have more than enough audio in my shack. I have seen these available in 4-Ohm and amplified variants too. Pretty much every radio in the shack is connected to a Moto speaker and I still buy them at rallies, collecting stuff I might need someday must be habit Anyone know if the can K3 drive a 2Ohm speaker without bad stuff happening ? In a recent e-mail from Lyle Johnson, KK7P, he stated that, while not 'designed' to drive 2-Ohm loads, the K3s AF amp should probably work OK BUT that if one attempted to drive the speakers too hard, and the AF amp attempted to draw excessive current (and starts to overheat), the amp would go into a protective shut-down mode, rather than risk damaging itself. For what it's worth, MOST (possibly all nowadays) of the newer, plastic-cased, Motorola NON-amplified speakers are now 8-Ohms... there may be some 4-Ohm speakers in the newer-style plastic ('fitted back') cases, but I suspect that almost all have now been switched to 8-Ohm speakers. I'm using a pair of 8-Ohm Motorola speakers on my K3 and it sounds just fine. Cheers, Tom Hammond N0SS __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3?
Joe Subich, W4TV wrote: I would not use any speaker less than 8 Ohms with the K3. Hi Joe, I've used 4-ohm speakers with the K3 for over two years and have yet to hear any distortion at moderate speaker volume. As long as the RFC47 modification has been made on the RF board, the AF amp chip can easily source the peak current needed for 4-ohm loads. It's true that in any AF amp, distortion increases as load Z goes down, but this is a floor effect compared to other factors usually present (atmospheric and pulse noise, AGC dynamics, transmitter IMD, etc.). The only problem we've had is with mono speaker plugs in conjunction with a setting of SPKRS=2, which can result in excessive AF amp current. But this situation is detected and corrected in the latest field-test firmware revision. I'll be releasing it to beta shortly. 73, Wayne N6KR --- http://www.elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3?
I'm using a pair of Optimus Pro 7AV. These are heavy metal-cased units that look really nice with the K3. They look like the first ones in this link, except they have a textured black finish. http://www.angelfire.com/vt/audio/minimus.html I have a spare pair for sale if anyone is interested. Wes N7WS __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] External speakers for K3?
I would like to find or build an external speaker for my K3. I want something that sounds good,will match closely and is realitively efficent like 92 db @ 1 watt/meter! -What is everyone using? Thanks and 73, Bill N4ZI K3 #1059 K3 #2914 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3?
By match closely, do you mean physical appearance or impedance? Speaker characteristics for SSB and CW may differ. The best overall compromise I've found over the past 45 years is the Heathkit HS-1661. It is very efficient, as in LOUD, has a thick aluminum cabinet with no vibration or peaky resonance. Radio Shack sells a replacement speaker that fits perfectly if needed. For CW only, the MFJ ClearTone, MFJ-281 is hard to beat. It peaks strongly at 700 Hz and is very sensitive. Cost about $12. The HS-1661 shows up on Ebay occasionally and usually sells for about $30 or so. I painted mine black. Modern stereo speakers will work but they usually have higher power ratings and require more power. Amplified speakers will also work well but could be affected by RFI depending on brand and model. Steve Ellington n...@carolina.rr.com - Original Message - From: Bill Maddock n4z...@yahoo.com To: elecraft@mailman.qth.net Sent: Monday, May 11, 2009 1:11 PM Subject: [Elecraft] External speakers for K3? I would like to find or build an external speaker for my K3. I want something that sounds good,will match closely and is realitively efficent like 92 db @ 1 watt/meter! -What is everyone using? Thanks and 73, Bill N4ZI K3 #1059 K3 #2914 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3?
__ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3?
Go for two, then you can take advantage of AFX. I use two small black communications speakers, designed for vehicle mounting and optimised for voice and are only 3-4 mm taller than the K3 -- one either side. Really does enhance AFX on SSB and they look good too. And they were less than GBP 7 each! Peter GM8GAX I would like to find or build an external speaker for my K3. I want something that sounds good,will match closely and is realitively efficent like 92 db @ 1 watt/meter! -What is everyone using? Thanks and 73, Bill N4ZI K3 #1059 K3 #2914 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] External speakers for K3 - A caution
Caution! Do -not- plug a mono plug into the external speaker jack. Audio output IC failure will likely occur, as a mono plug shorts one half of the IC. 73! Ken Kopp - k0pp __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3 - A caution
Ken Kopp wrote: Caution! Do -not- plug a mono plug into the external speaker jack. Audio output IC failure will likely occur, as a mono plug shorts one half of the IC. This can only happen if you have CONFIG:SPKRS set to 2. If you set it to 1, the right speaker channel is turned off, so a mono plug can be safely used. In addition to this, an upcoming beta firmware release detects the case where SPKRS is set to 2, a mono plug is inserted, and speaker volume is set to a moderate or high level. (The firmware looks for excess receive-mode current drain due to the AF amp IC going into thermal shutdown.) If this happens, the K3 will automatically set SPKRS to 1, reminding you with a brief flashed message. 73, Wayne N6KR --- http://www.elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] External speakers for K3
I've been quite pleased with the Comspkr from West Mountain Radio. Good sound, small size, volume and low cut controls, no RFI and a pair is quite reasonably priced. 73 Craig AC0DS __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3 - A caution
Wasn't the mod described at http://www.elecraft.com/K3/mods/AF_Output_Mod_Rev_C.pdf intended to prevent the IC failure if a mono plug was used? Did it not work as well as expected? Or is the firmware detection just belt and suspenders protection in case someone didn't do the hardware mod? 73 -- Joe KB8AP On May 11, 2009, at 11:30 AM, wayne burdick wrote: This can only happen if you have CONFIG:SPKRS set to 2. If you set it to 1, the right speaker channel is turned off, so a mono plug can be safely used. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3 - A caution
On May 11, 2009, at 12:10 PM, Joe Planisky wrote: Wasn't the mod described at http://www.elecraft.com/K3/mods/AF_Output_Mod_Rev_C.pdf intended to prevent the IC failure if a mono plug was used? The bleeder resistor modification helps prevent an instantaneous current surge when an mono plug is inserted, and is definitely recommended. It has already been phased into production. The new firmware provides protection in the case where high right-channel speaker volume, in conjunction with the insertion of a mono plug, results in extended high current drain at the AF amp chip. 73, Wayne N6KR --- http://www.elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] External speakers for K3?
Bill Maddock wrote: I would like to find or build an external speaker for my K3. I want something that sounds good,will match closely and is realitively efficent like 92 db @ 1 watt/meter! -What is everyone using? Thanks and 73, For general communications use I am very fond indeed of the speakers Motorola made for their various mobile rigs over the years, They are very cheap, efficient and sound great for good quality communications audio. These are not Hifi speakers but for speech / CW they do a superb job. Mostly they seem to be a pretty close match in size and colour for the K3 too. Some of them are 2 Ohm though, The ones I use with My K3 at the moment are 2 Ohm ones, Since I do not know for sure if the AF amp in the K3 is happy driving an impedance this low I stuck a 2Ohm 2W resistor in series with each speaker and still have more than enough audio in my shack. I have seen these available in 4Ohm and amplified variants too. Pretty much every radio in the shack is connected to a Moto speaker and I still buy them at rallies, collecting stuff I might need someday must be habit Anyone know if the can K3 drive a 2Ohm speaker without bad stuff happening ? 73 Brendan EI6IZ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html