Ask Dr Google find you earpad covers. Or send a SASE envelope with$1 of stamps on it & I'll send you a couple pairs.
...earpads are flaking pretty badly, leaving little back bits around the home office/shack ___ Sent from my two way wrist watch 73 de W3AB/GEO On May 6, 2020, 14:37, at 14:37, elecraft-requ...@mailman.qth.net wrote: >Send Elecraft mailing list submissions to > elecraft@mailman.qth.net > >To subscribe or unsubscribe via the World Wide Web, visit > http://mailman.qth.net/mailman/listinfo/elecraft >or, via email, send a message with subject or body 'help' to > elecraft-requ...@mailman.qth.net > >You can reach the person managing the list at > elecraft-ow...@mailman.qth.net > >When replying, please edit your Subject line so it is more specific >than "Re: Contents of Elecraft digest..." > > >Today's Topics: > > 1. Re: CM500 headset on K3S and KX3? (Grant Youngman) > 2. CM500 Adapter (Troy Davis) > 3. K3 current draw (David Thompson) > 4. Re: CM500 headset on K3S and KX3? (Jim Brown) > 5. Re: Earpads Shedding (Tommy Judson) > 6. Re: Upper limits of KPA500? (Tom Azlin W7SUA) > 7. Re: Upper limits of KPA500? (Bob McGraw K4TAX) > 8. Re: CM500 Adapter (Josh Fiden) > 9. Re: Earpads Shedding (Tom Morehouse) > 10. Re: Upper limits of KPA500? (Macy monkeys) > 11. Re: CM500 headset on K3S and KX3? (Walter Underwood) > 12. Re: CM500 headset on K3S and KX3? (Jim Brown) > 13. Re: CM500 headset on K3S and KX3? (j...@kk9a.com) > 14. Re: CM500 Adapter (Walter Underwood) > 15. Re: CM500 Adapter (Jim Rhodes) > 16. Re: CM500 headset on K3S and KX3? (Jim Rhodes) > 17. Re: Earpads Shedding (W0FK) > 18. Re: Earpads Shedding (Jim Bruce) > 19. K3/0 (Mike Zak) > 20. Elecraft K2 7855, alignment and test part II, bad PLL > frequency. (Christophe GIBERT) > 21. Re: CM500 headset on K3S and KX3? (Josh Fiden) > 22. Re: Earpads Shedding (tony....@verizon.net) > 23. Re: CM500 headset on K3S and KX3? (Charlie T) > 24. Re: Elecraft K2 7855, alignment and test part II, bad PLL > frequency. (Don Wilhelm) > > >---------------------------------------------------------------------- > >Message: 1 >Date: Wed, 6 May 2020 13:16:17 -0400 >From: Grant Youngman <ghyoung...@gmail.com> >To: Elecraft Refl <elecraft@mailman.qth.net> >Subject: Re: [Elecraft] CM500 headset on K3S and KX3? >Message-ID: <ed63c9df-c71d-4c53-8d65-1504fc05f...@gmail.com> >Content-Type: text/plain; charset=utf-8 > >I bought a pair of CM500?s when they became all the rage a few years >ago. Never liked them. The mic sounds ok, but they?re just too >loosely-goosey a fit and I find them fiddly and not very stable on the >head. I used them for a while and tossed them into the pile of too >much stuff I bought and don?t use. > >Replaced them eventually with an RS60CF, and never looked back. Cable >sets for both the KX3 and K3(K4). And yes ? I know there are a lot of >people who don?t like those, either. But I do. All a matter of >personal choice, I guess :-) David Clark makes a small and >inexpensive soft-case that fits them perfectly, too. > >Grant NQ5T > >> On May 6, 2020, at 12:53 PM, Walter Underwood <wun...@wunderwood.org> >wrote: >> >> My CM500?s earpads are flaking pretty badly, leaving little back bits >around the home office/shack. > > >------------------------------ > >Message: 2 >Date: Wed, 6 May 2020 17:24:58 +0000 >From: Troy Davis <troy.da...@hotmail.com> >To: "elecraft@mailman.qth.net" <elecraft@mailman.qth.net> >Subject: [Elecraft] CM500 Adapter >Message-ID: > > <bn8pr06mb539381c60f1cae57fa9c5b2098...@bn8pr06mb5393.namprd06.prod.outlook.com> > >Content-Type: text/plain; charset="Windows-1252" > >https://www.ebay.com/itm/351072109250 > >? >Troy Davis >K4JDA > > > >------------------------------ > >Message: 3 >Date: Wed, 6 May 2020 10:33:08 -0700 >From: David Thompson <dbthomp...@me.com> >To: Elecraft Reflector <elecraft@mailman.qth.net> >Subject: [Elecraft] K3 current draw >Message-ID: <98ea5364-55f4-49ca-aa0a-16f00e034...@me.com> >Content-Type: text/plain; charset=utf-8 > >Morning group, > >After spending some time searching, I cannot find a table of measured >current draw versus power output for the K3. I?m working on how much >battery I need for portable ops and this information would be good so I >can estimate the energy requirements for my system. > >There is an old pointer to the K9XC website, which has apparently gone >away. So, any help would be appreciated. If the work has already been >done, I?m not interested in doing my own experiments. > >Best... > >David Thompson, AG7TX >Jack of All Trades >Master of None >dbthomp...@me.com > > > > > > >------------------------------ > >Message: 4 >Date: Wed, 6 May 2020 10:54:02 -0700 >From: Jim Brown <j...@audiosystemsgroup.com> >To: elecraft@mailman.qth.net >Subject: Re: [Elecraft] CM500 headset on K3S and KX3? >Message-ID: > <482da1df-14db-90ca-64a4-afe995ba9...@audiosystemsgroup.com> >Content-Type: text/plain; charset=utf-8; format=flowed > >On 5/6/2020 9:53 AM, Walter Underwood wrote: >> Comments on my blog post suggested the Koss SB45 as another >alternative. This also has an electret mic, but somewhat different fit >over the ears, and it is cheaper. >> >> >https://www.amazon.com/Koss-sb45-SB-45-Communication-Stereophones/dp/B00081A2CW > >K6LL, a serious contester, likes this headset. I noted this in a piece >I >wrote several years ago for National Contest Journal. GM3SEK reported >that Yamaha products are not sold in the UK, and that his wife likes >the >lighter weight Koss CS100 headset. >http://k9yc.com/ContestAudio.pdf >> >> Do not get the Koss SB40. That is the same headset as the Yamaha >CM500, but with an inferior dynamic mic. > >There is nothing inherently inferior about dynamic mics, especially for > >speech -- the vast majority of mics used in sound reinforcement and >broadcasting are dynamic mics. But like any technology, some products >are better than others. >> It is normal for earpads to wear out. I replaced the pads on my Grado >SR225e phones after five years. > >Yes. I replace earpads on my Sony MDR7506 periodically. > >For many things we wear, comfort can be important, and, with headsets, >that depends on the size and shape of our heads and even our ears, as >well as the design and manufacturing quality of the headset. For many >years, I've slept wearing Sony MDR7506 phones listening to jazz, and I >also use them working CW-only contests. I find the CM500 equally >comfortable. > >73, Jim K9YC > > >------------------------------ > >Message: 5 >Date: Wed, 6 May 2020 12:58:14 -0500 >From: Tommy Judson <tso...@icloud.com> >To: elecraft@mailman.qth.net >Subject: Re: [Elecraft] Earpads Shedding >Message-ID: <943b9cad-4758-4947-b207-cf855450d...@icloud.com> >Content-Type: text/plain; charset=utf-8 > >...earpads are flaking pretty badly, leaving little back bits around >the home office/shack? > >Took me a while to realize it was my earpads shedding, glad to read >this isn?t an isolated occurrence. Now how to remedy that problem? > > > >------------------------------ > >Message: 6 >Date: Wed, 6 May 2020 11:03:18 -0700 >From: Tom Azlin W7SUA <t...@w7sua.org> >To: elecraft@mailman.qth.net >Subject: Re: [Elecraft] Upper limits of KPA500? >Message-ID: <49f37d11-1f99-5717-1204-85c393d41...@w7sua.org> >Content-Type: text/plain; charset=utf-8; format=flowed > >Hi Dave, > >I run around 100-150 watts out of my KPA500 using 5-7 watts from my K3 >with the KPA500 hitting 70C using Olivia during nets. I assume could go > >to 250 but never needed that much power. Does not seem to be a problem >with temps above 70c. Also run up to 500w PEP using SSB when needed. > >I did hear Wayne say run full power RTTY with no fear. > >73, tom w7sua > > > > > >On 5/3/2020 1:26 PM, Dave Cole wrote: >> Hello, >> >> I just got the new MMSSTV software, and will be running a bit of >SSTV. >> SSTV is 100% duty cycle. >> >> Initial testing here indicates no power level is safe...? At 150 >watts >> the KPA500 reaches 70C pretty fast, in under two minutes, and 70C is >my >> upper limit for testing...? At 500 watts it reaches 70C in about the >> same time... >> >> Can I assume the amp is not the most efficient thing in the world at >200 >> watts? >> >> If the KPA500 can't deal with 100% duty cycle, for two minutes, how >does >> the K3 deal with 100 watts for two minutes, at 100% duty cycle? >> > > >------------------------------ > >Message: 7 >Date: Wed, 6 May 2020 13:11:05 -0500 >From: Bob McGraw K4TAX <rmcg...@blomand.net> >To: elecraft@mailman.qth.net, t...@w7sua.org >Subject: Re: [Elecraft] Upper limits of KPA500? >Message-ID: <e9fcc199-57cb-72e7-209c-1bd039fba...@blomand.net> >Content-Type: text/plain; charset="utf-8"; Format="flowed" > >As long as one stays within the duty cycle times limits, no problem. > >Do note that some antenna system which are lower impedance will require > >the amp to draw more current for a given amount of power. And it does >vary from band to band.??? The attached EXCEL spreadsheet should be of >interest regarding lower power operation. > >73 > >Bob, K4TAX > > >On 5/6/2020 1:03 PM, Tom Azlin W7SUA wrote: >> Hi Dave, >> >> I run around 100-150 watts out of my KPA500 using 5-7 watts from my >K3 >> with the KPA500 hitting 70C using Olivia during nets. I assume could >> go to 250 but never needed that much power. Does not seem to be a >> problem with temps above 70c. Also run up to 500w PEP using SSB when >> needed. >> >> I did hear Wayne say run full power RTTY with no fear. >> >> 73, tom w7sua >> >> >> >> >> >> On 5/3/2020 1:26 PM, Dave Cole wrote: >>> Hello, >>> >>> I just got the new MMSSTV software, and will be running a bit of >>> SSTV. SSTV is 100% duty cycle. >>> >>> Initial testing here indicates no power level is safe...? At 150 >>> watts the KPA500 reaches 70C pretty fast, in under two minutes, and >>> 70C is my upper limit for testing...? At 500 watts it reaches 70C in > >>> about the same time... >>> >>> Can I assume the amp is not the most efficient thing in the world at > >>> 200 watts? >>> >>> If the KPA500 can't deal with 100% duty cycle, for two minutes, how >>> does the K3 deal with 100 watts for two minutes, at 100% duty cycle? >>> >> ______________________________________________________________ >> 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 >> Message delivered to rmcg...@blomand.net > >------------------------------ > >Message: 8 >Date: Wed, 6 May 2020 11:27:06 -0700 >From: Josh Fiden <j...@voodoolab.com> >To: Elecraft Reflector <Elecraft@mailman.qth.net> >Subject: Re: [Elecraft] CM500 Adapter >Message-ID: <3ae5bfe9-e334-468e-9110-bc976a6c5...@voodoolab.com> >Content-Type: text/plain; charset=utf-8 > >$35 ? Ouch. $5 in parts and break out the soldering iron! Mouser has >these connectors for $1.50-ish each. > >73 >Josh W6XU > >Sent from my mobile device > >> On May 6, 2020, at 10:25 AM, Troy Davis <troy.da...@hotmail.com> >wrote: >> >> ?https://www.ebay.com/itm/351072109250 >> >> ? >> > > > >------------------------------ > >Message: 9 >Date: Wed, 6 May 2020 14:31:52 -0400 >From: Tom Morehouse <k4...@me.com> >To: elecraft@mailman.qth.net >Subject: Re: [Elecraft] Earpads Shedding >Message-ID: <1d4d619c-2bd9-4227-a3f6-a2fdb0ce6...@me.com> >Content-Type: text/plain; charset=utf-8 > >Here?s my solution: >Garfield Headphone Softie Earpad Covers (Black, Pair) $17.00 > > >from B&H: >https://www.bhphotovideo.com/c/product/368310-REG/Garfield_SGARHS1_Headphone_Softie_Earpad.html ><https://www.bhphotovideo.com/c/product/368310-REG/Garfield_SGARHS1_Headphone_Softie_Earpad.html> > >Works well? >73 > >Tom K4AEN > >------------------------------ > >Message: 10 >Date: Wed, 6 May 2020 11:38:26 -0700 >From: Macy monkeys <macymonk...@charter.net> >To: Tom Azlin W7SUA <t...@w7sua.org> >Cc: elecraft@mailman.qth.net >Subject: Re: [Elecraft] Upper limits of KPA500? >Message-ID: <2dae6e1d-4d8e-44de-b32c-4b4f21cba...@charter.net> >Content-Type: text/plain; charset=us-ascii > >I ragchew on CW and have my KPA500 fan set on level 2 as a default. I >don't really keep an eye on the temp. When I hear fan level 3 kick in, >that's my cue I've been too longed winded and time to turn it over :) > >John K7FD > > >> On May 6, 2020, at 11:03 AM, Tom Azlin W7SUA <t...@w7sua.org> wrote: >> >> Hi Dave, >> >> I run around 100-150 watts out of my KPA500 using 5-7 watts from my >K3 with the KPA500 hitting 70C using Olivia during nets. I assume could >go to 250 but never needed that much power. Does not seem to be a >problem with temps above 70c. Also run up to 500w PEP using SSB when >needed. >> >> I did hear Wayne say run full power RTTY with no fear. >> >> 73, tom w7sua >> >> >> >> >> >>> On 5/3/2020 1:26 PM, Dave Cole wrote: >>> Hello, >>> I just got the new MMSSTV software, and will be running a bit of >SSTV. SSTV is 100% duty cycle. >>> Initial testing here indicates no power level is safe... At 150 >watts the KPA500 reaches 70C pretty fast, in under two minutes, and 70C >is my upper limit for testing... At 500 watts it reaches 70C in about >the same time... >>> Can I assume the amp is not the most efficient thing in the world at >200 watts? >>> If the KPA500 can't deal with 100% duty cycle, for two minutes, how >does the K3 deal with 100 watts for two minutes, at 100% duty cycle? >> ______________________________________________________________ >> 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 >> Message delivered to macymonk...@charter.net > > > >------------------------------ > >Message: 11 >Date: Wed, 6 May 2020 11:39:14 -0700 >From: Walter Underwood <wun...@wunderwood.org> >To: Elecraft Mailing List <elecraft@mailman.qth.net> >Subject: Re: [Elecraft] CM500 headset on K3S and KX3? >Message-ID: <c279f1ef-587c-4ef0-9ce3-52b24ed66...@wunderwood.org> >Content-Type: text/plain; charset=utf-8 > > >> On May 6, 2020, at 10:54 AM, Jim Brown <j...@audiosystemsgroup.com> >wrote: >> >>> Do not get the Koss SB40. That is the same headset as the Yamaha >CM500, but with an inferior dynamic mic. >> >> There is nothing inherently inferior about dynamic mics, especially >for speech -- the vast majority of mics used in sound reinforcement and >broadcasting are dynamic mics. But like any technology, some products >are better than others. > >Of course. This particular headset has an inferior dynamic mic, >according to reviews. At this price point, I?d expect electrets to be >the best performers. > >If I was going to upgrade my headset, I?d start with headsets used by >sports broadcasters and ENG teams. Is it still called ?electronic news >gathering?? > >wunder >K6WRU >Walter Underwood >CM87wj >http://observer.wunderwood.org/ (my blog) > >------------------------------ > >Message: 12 >Date: Wed, 6 May 2020 11:39:42 -0700 >From: Jim Brown <j...@audiosystemsgroup.com> >To: elecraft@mailman.qth.net >Subject: Re: [Elecraft] CM500 headset on K3S and KX3? >Message-ID: > <c65aed69-f035-8442-f3dd-4a546e723...@audiosystemsgroup.com> >Content-Type: text/plain; charset=utf-8; format=flowed > >Probably like Baufong radios, rip-offs of someone else's product. No, >I've never heard of it. A story. > >A colleague in pro audio, excellent engineer, designer of sound systems > >in the US Senate, House, and White House, wanted to do a good deed for >rock and roll churches who used a lot of mics. He imported mics from a >company in China. Samples were great, so he placed an order. Production > >quality was VERY different. Like Baufong, we're talking $40-$60 for >mics >competing with EU mics that sell for $1,000 - $1,500. > >Quality companies like Shure and Switchcraft have long huge problems >with counterfeits of their products, and counterfeit mechanical and >structural parts have long been a problem for manufacturers. I remember > >reading about that in the aircraft industry more than a decade ago. > >73, Jim K9YC > >On 5/6/2020 5:32 AM, Lyn Norstad wrote: >> There is a (presumably Chinese) mic known as the BM800 which is >marketed >> under several different names. I am currently using one on a boom >with >> shock mount, wind screen and foot switch just because I like >hands-free >> operation ... and am too frugal (i.e.: cheap) to spend the $$ for a >Heil >> equivalent. >> >> Are you familiar with this mic, and what are your thoughts? I get >excellent >> reports with it on my (non-Elecraft) rig. > > > >------------------------------ > >Message: 13 >Date: Wed, 06 May 2020 13:50:52 -0500 >From: j...@kk9a.com >To: elecraft@mailman.qth.net >Subject: Re: [Elecraft] CM500 headset on K3S and KX3? >Message-ID: > <20200506135052.horde.viqou77fevyapizb417i...@www11.qth.com> >Content-Type: text/plain; charset=utf-8; format=flowed; DelSp=Yes > >Interesting that Heil is not represented commercially. I believe that >Bob Heil invented the talk box that Peter Frampton made famous. I use >a Sony MDR-7506 for RTTY and CW but I do use a Heil ProSet IC for SSB. > >John KK9A > >Jim Brown K9YC wrote: > >Heil products are an example of better sound through marketing. They're >more expensive because they spend a lot of money on advertising to >convince hams they're worth it. They also claim to make pro mics. I've >been a member of the AES Standards Committee WG on microphones for more >than 25 years, in which virtually all major microphone companies are >represented. No one from the company is listed as a member, and I've >never met Bob Heil or anyone from his company. Hams seem to think that >because he did sound for a major rock band that his mics were good. > >73, Jim K9YC > > > >------------------------------ > >Message: 14 >Date: Wed, 6 May 2020 12:05:02 -0700 >From: Walter Underwood <wun...@wunderwood.org> >To: "elecraft@mailman.qth.net" <elecraft@mailman.qth.net> >Subject: Re: [Elecraft] CM500 Adapter >Message-ID: <ff994da0-64eb-448e-b1f8-db31d777b...@wunderwood.org> >Content-Type: text/plain; charset=utf-8 > >$35 is too much for this mic adapter. It probably reflects the small >lot manufacturing cost, but you don?t need to pay that. > >This adapter costs $5.45 and does the same thing. > >https://smile.amazon.com/gp/product/B000068O5H/ > >The KX3 mic connection is TRRS, but Ring 2 and Sleeve are both >connected to ground. They are labeled mic ground and logic ground, but >they are tied together inside the radio, so a TRS plug works just fine. >The wiring detail is from the Fred Cady book. > >wunder >K6WRU >Walter Underwood >CM87wj >http://observer.wunderwood.org/ (my blog) > >> On May 6, 2020, at 10:24 AM, Troy Davis <troy.da...@hotmail.com> >wrote: >> >> https://www.ebay.com/itm/351072109250 >> >> ? >> Troy Davis >> K4JDA >> >> ______________________________________________________________ >> 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 >> Message delivered to wun...@wunderwood.org > > > >------------------------------ > >Message: 15 >Date: Wed, 6 May 2020 14:32:04 -0500 >From: Jim Rhodes <jimk...@gmail.com> >To: Walter Underwood <wun...@wunderwood.org> >Cc: elecraft@mailman.qth.net >Subject: Re: [Elecraft] CM500 Adapter >Message-ID: > <CALhxr4YCvetDz1AHkuNADdvJR=6_YViFHFx5tHitf3k9cB=o...@mail.gmail.com> >Content-Type: text/plain; charset="UTF-8" > >The Amazon one is what I have had for several years. Works a charm and >just >little cheaper! > > >On Wed, May 6, 2020, 14:06 Walter Underwood <wun...@wunderwood.org> >wrote: > >> $35 is too much for this mic adapter. It probably reflects the small >lot >> manufacturing cost, but you don?t need to pay that. >> >> This adapter costs $5.45 and does the same thing. >> >> https://smile.amazon.com/gp/product/B000068O5H/ >> >> The KX3 mic connection is TRRS, but Ring 2 and Sleeve are both >connected >> to ground. They are labeled mic ground and logic ground, but they are >tied >> together inside the radio, so a TRS plug works just fine. The wiring >detail >> is from the Fred Cady book. >> >> wunder >> K6WRU >> Walter Underwood >> CM87wj >> http://observer.wunderwood.org/ (my blog) >> >> > On May 6, 2020, at 10:24 AM, Troy Davis <troy.da...@hotmail.com> >wrote: >> > >> > https://www.ebay.com/itm/351072109250 >> > >> > ? >> > Troy Davis >> > K4JDA >> > >> > ______________________________________________________________ >> > 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 >> > Message delivered to 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 >> Message delivered to jimk...@gmail.com > > >------------------------------ > >Message: 16 >Date: Wed, 6 May 2020 14:35:54 -0500 >From: Jim Rhodes <jimk...@gmail.com> >To: j...@kk9a.com >Cc: elecraft@mailman.qth.net >Subject: Re: [Elecraft] CM500 headset on K3S and KX3? >Message-ID: > <CALhxr4a6ho9uFC+6BmprpwP-bBofvoGz0=-paowerugkadh...@mail.gmail.com> >Content-Type: text/plain; charset="UTF-8" > >Over the years I have worn out 2 of the SB-40s and always had good >audio >reports. You can sound terrible on any mike if they aren't used >correctly. > >On Wed, May 6, 2020, 13:51 <j...@kk9a.com> wrote: > >> Interesting that Heil is not represented commercially. I believe that >> Bob Heil invented the talk box that Peter Frampton made famous. I use >> a Sony MDR-7506 for RTTY and CW but I do use a Heil ProSet IC for >SSB. >> >> John KK9A >> >> Jim Brown K9YC wrote: >> >> Heil products are an example of better sound through marketing. >They're >> more expensive because they spend a lot of money on advertising to >> convince hams they're worth it. They also claim to make pro mics. >I've >> been a member of the AES Standards Committee WG on microphones for >more >> than 25 years, in which virtually all major microphone companies are >> represented. No one from the company is listed as a member, and I've >> never met Bob Heil or anyone from his company. Hams seem to think >that >> because he did sound for a major rock band that his mics were good. >> >> 73, Jim K9YC >> >> ______________________________________________________________ >> 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 >> Message delivered to jimk...@gmail.com >> > > >------------------------------ > >Message: 17 >Date: Wed, 6 May 2020 13:16:09 -0700 (MST) >From: W0FK <llader...@earthlink.net> >To: elecraft@mailman.qth.net >Subject: Re: [Elecraft] Earpads Shedding >Message-ID: <1588796169250-0.p...@n2.nabble.com> >Content-Type: text/plain; charset=us-ascii > >What headphones do you have? If Heil or RadioSport, they have >replacement >pads you can purchase. In my experience, once the vinyl starts to >flake, you >are doomed to having them continue to make a mess even if you cover >them >with a slipcover. > >Lou, W0FK > > > >----- >St. Louis, MO > >"The difference between stupidity and genius is that >genius has its limits." Albert Einstein > > >-- >Sent from: http://elecraft.365791.n2.nabble.com/ > > >------------------------------ > >Message: 18 >Date: Wed, 6 May 2020 16:30:33 -0400 >From: Jim Bruce <jimw...@gmail.com> >To: elecraft@mailman.qth.net, tso...@icloud.com >Subject: Re: [Elecraft] Earpads Shedding >Message-ID: <38c9318a-955a-bfea-4278-0daa1620f...@gmail.com> >Content-Type: text/plain; charset=utf-8; format=flowed > >I went online and got packs of the cloth headphone earmuff covers for >mine. Work good, washable, stretchable, several in a pack, inexpensive. > >I got a small pack and large pack. large covers the yamaha 500 >headphones well.? Smaller ones cover the cheaper music headphones. > >Jim/W3FA > >On 5/6/2020 13:58, Tommy Judson via Elecraft wrote: >> ...earpads are flaking pretty badly, leaving little back bits around >the home office/shack? >> >> Took me a while to realize it was my earpads shedding, glad to read >this isn?t an isolated occurrence. Now how to remedy that problem? >> >> ______________________________________________________________ >> 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 >> Message delivered to jimw...@gmail.com > > >------------------------------ > >Message: 19 >Date: Wed, 6 May 2020 20:39:46 +0000 >From: Mike Zak <m...@brookblue.com> >To: "elecraft@mailman.qth.net" <elecraft@mailman.qth.net> >Subject: [Elecraft] K3/0 >Message-ID: <4943072f-4a3e-44e6-8d23-03829fce9...@contoso.com> >Content-Type: text/plain; charset="utf-8" > >Would like to purchase one of the old K3/0 control heads. I?m looking >for one of the early versions, not the later K3/0-mini. Tnx. > >Mike, W1MU > > > > >Michael J. Zak >m...@brookblue.com<mailto:m...@brookblue.com> > > > >------------------------------ > >Message: 20 >Date: Wed, 6 May 2020 20:44:39 +0000 >From: Christophe GIBERT <gibe...@hotmail.com> >To: "elecraft@mailman.qth.net" <elecraft@mailman.qth.net> >Cc: "supp...@elecraft.com" <supp...@elecraft.com> >Subject: [Elecraft] Elecraft K2 7855, alignment and test part II, bad > PLL frequency. >Message-ID: > > <pr3p191mb10669446fdc1dafe9e6b9b0aa3...@pr3p191mb1066.eurp191.prod.outlook.com> > >Content-Type: text/plain; charset="utf-8" > >Hi! First of all, sorry for my poor english, i?m french ;-) > >I?m building my k2 number 7855. > >In the first step of the 4mhz oscillator calibration, i get a frequency >of 00500.00 instead of 12090.00 > >When i press BAND + : 00475.00 and BAND - : 12085.43 (stable). > >I?ve tested probe on TP2, I?d 4913.52 > >I reviewed all components in the pll schematics and nothing seems >wrong. > >Please help me, i don?t know what to look for now. > >Thanks a lot. > >? >Chris > >------------------------------ > >Message: 21 >Date: Wed, 6 May 2020 14:00:32 -0700 >From: Josh Fiden <j...@voodoolab.com> >To: Elecraft Reflector <Elecraft@mailman.qth.net> >Subject: Re: [Elecraft] CM500 headset on K3S and KX3? >Message-ID: <0c32c0d7-0695-4847-8eb0-63a604b2a...@voodoolab.com> >Content-Type: text/plain; charset=utf-8 > >The talk box predates the Heil version that Frampton used. > >Sent from my mobile device > >> On May 6, 2020, at 11:51 AM, j...@kk9a.com wrote: >> >> ?Interesting that Heil is not represented commercially. I believe >that Bob Heil invented the talk box that Peter Frampton made famous. I >use a Sony MDR-7506 for RTTY and CW but I do use a Heil ProSet IC for >SSB. >> > > > >------------------------------ > >Message: 22 >Date: Wed, 6 May 2020 17:04:10 -0400 >From: <tony....@verizon.net> >To: "'Jim Bruce'" <jimw...@gmail.com>, <elecraft@mailman.qth.net>, > <tso...@icloud.com> >Subject: Re: [Elecraft] Earpads Shedding >Message-ID: <0c3001d623e9$e3eab410$abc01c30$@verizon.net> >Content-Type: text/plain; charset="utf-8" > >Jim, >Do you remember what ones you got for the CM500? >Tnx >N2TK, Tony > >-----Original Message----- >From: elecraft-boun...@mailman.qth.net ><elecraft-boun...@mailman.qth.net> On Behalf Of Jim Bruce >Sent: Wednesday, May 6, 2020 4:31 PM >To: elecraft@mailman.qth.net; tso...@icloud.com >Subject: Re: [Elecraft] Earpads Shedding > >I went online and got packs of the cloth headphone earmuff covers for >mine. Work good, washable, stretchable, several in a pack, inexpensive. > >I got a small pack and large pack. large covers the yamaha 500 >headphones well. Smaller ones cover the cheaper music headphones. > >Jim/W3FA > >On 5/6/2020 13:58, Tommy Judson via Elecraft wrote: >> ...earpads are flaking pretty badly, leaving little back bits around >> the home office/shack? >> >> Took me a while to realize it was my earpads shedding, glad to read >this isn?t an isolated occurrence. Now how to remedy that problem? >> >> ______________________________________________________________ >> 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 Message delivered to >> jimw...@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 >Message delivered to tony....@verizon.net > > > >------------------------------ > >Message: 23 >Date: Wed, 6 May 2020 13:33:25 -0400 >From: "Charlie T" <pin...@erols.com> >To: <elecraft@mailman.qth.net> >Subject: Re: [Elecraft] CM500 headset on K3S and KX3? >Message-ID: <009e01d623cc$77278eb0$6576ac10$@erols.com> >Content-Type: text/plain; charset="UTF-8" > >If you can find them, "velour" pads are GREAT. >Very comfortable, Softer and NO flaking. >I replaced the pads on my Sony MDR-7506's with them. >I especially like these Sony's since they have excellent high frequency >response (better than the CM500's) which is perfect for my high freq >hearing loss. >Not sure if they'll fit, but somebody out there must make velour pads >for the CM500's. > >73, Charlie k3ICH > > > > >-----Original Message----- >From: elecraft-boun...@mailman.qth.net ><elecraft-boun...@mailman.qth.net> On Behalf Of Walter Underwood >Sent: Wednesday, May 06, 2020 12:53 PM >To: Elecraft Mailing List <elecraft@mailman.qth.net> >Subject: Re: [Elecraft] CM500 headset on K3S and KX3? > >My CM500?s earpads are flaking pretty badly, leaving little back bits >around the home office/shack. They still work fine. I purchased them in >December 2012. I see that the same order has Eneloop XX batteries and a >LowePro Edit 140 case, so that was all ordered to go with my brand-new >KX3. > >Comments on my blog post suggested the Koss SB45 as another >alternative. This also has an electret mic, but somewhat different fit >over the ears, and it is cheaper. > >https://www.amazon.com/Koss-sb45-SB-45-Communication-Stereophones/dp/B00081A2CW > >Do not get the Koss SB40. That is the same headset as the Yamaha CM500, >but with an inferior dynamic mic. > >The mic connector on my Yamaha CM500 is labeled ?KOSS?, for what that?s >worth. I noticed that when choosing photos for my blog post. > >It is normal for earpads to wear out. I replaced the pads on my Grado >SR225e phones after five years. > >wunder >K6WRU >Walter Underwood >CM87wj >http://observer.wunderwood.org/ (my blog) > >> On May 6, 2020, at 8:25 AM, N2TK via Elecraft ><elecraft@mailman.qth.net> wrote: >> >> I bought replacement ear pad cushions and earpad covers for Koss >UR20, headphones on eBay a while back for $14.24. They fit the CM500 >fine. A pain to change but worth it. >> I have had very good results with CM500. They fit my head better than >the Heil's which were too tight. I would rather have a material cover >which I find more comfortable for wearing for many hours in a contest. >I use a quarter of a paper towel between the headset cushions and my >ears. That works fine. >> And the CM500's are so cheap I bought a spare, just in case. >> N2TK, Tony >> >> -----Original Message----- >> From: elecraft-boun...@mailman.qth.net >> <elecraft-boun...@mailman.qth.net> On Behalf Of Wes >> Sent: Tuesday, May 5, 2020 9:45 PM >> To: elecraft@mailman.qth.net >> Subject: Re: [Elecraft] CM500 headset on K3S and KX3? >> >> The failures I have are the ear pads disintegrate. Someone said Koss >pads could work but that hasn't been my experience. I've found some >'500s at estate sales where I snap them up. Currently the law firm >where my fiance is employed is working from home and she's using a set >on her computer to "attend" on-line meetings. I guess I can add "IT >Manager" to my resume, since I'm helping her with her connections. I >second the use of VOX. >> >> Wes N7WS >> >> On 5/5/2020 5:32 PM, Jim Brown wrote: >>> On 5/5/2020 4:44 PM, Paul Gacek via Elecraft wrote: >>>> For what its worth and everyones milage will vary, I had a brand >new >>>> CM500 that I used for a week of hard operating while on a pretty >>>> island and the boom came loose after a couple of days. >>> >>> Your experience is unusual. In about 11 years, the only thing that >>> has ever gone wrong with my CM500s have been a broken cable, which, >>> unfortunately, is not replaceable. I'm kind of a klutz, so I'm hard >>> on cables, dropping them, kicking them, etc. Perhaps it got broken >in shipping? >>> >>> I've never used anything but VOX for SSB and digital modes. That's >>> always worked just fine as long as there's not loud noise (like when > >>> the XYL walks through the shack and lets the screen door slam). :) >>> >>> 73, Jim K9YC >>> ______________________________________________________________ >>> 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 Message delivered to >>> wes_n...@triconet.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 Message delivered to >> tony....@verizon.net >> >> ______________________________________________________________ >> 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 Message delivered to >> 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 >Message delivered to pin...@erols.com > > > >------------------------------ > >Message: 24 >Date: Wed, 6 May 2020 17:37:13 -0400 >From: Don Wilhelm <donw...@embarqmail.com> >To: Christophe GIBERT <gibe...@hotmail.com>, > "elecraft@mailman.qth.net" <elecraft@mailman.qth.net> >Cc: "supp...@elecraft.com" <supp...@elecraft.com> >Subject: Re: [Elecraft] Elecraft K2 7855, alignment and test part II, > bad PLL frequency. >Message-ID: <efc26548-8cb1-45a7-c683-03ca58273...@embarqmail.com> >Content-Type: text/plain; charset=utf-8; format=flowed > >Chris, > >Your English is much better than my French! I hope you can understand >the following: > >You have a Q19 that is not willing to work at the high frequency end of > >the PLL range. > >The proper thing to do is replace Q19 with a J310 FET that is better. >Order one from Elecraft (email to supp...@elecraft.com) with the part >number. > >What you can try is to add a small value capacitor (12 or 15pF) from U4 > >pin 1 to U4 pin 12 (ground) to see if that restores proper function. >If >you do not have a stock of small capacitors, use the 12pF in the K2 kit > >which you have not yet installed and order a replacement from Elecraft. > >Proper functioning thru-hole J310s have been a problem since Elecraft >ran out of the old ones and found that they had been discontinued by >the >manufacturer. > >I know of one ham in Europe who used an SMD J310 as a replacement - but > >if you consider that, know that the basing is not the same and you >would >have to go from the data sheet to know which pin to connect to the >holes. He mounted it on the bottom of the board. > >73, >Don W3FPR > >On 5/6/2020 4:44 PM, Christophe GIBERT wrote: >> Hi! First of all, sorry for my poor english, i?m french ;-) >> >> I?m building my k2 number 7855. >> >> In the first step of the 4mhz oscillator calibration, i get a >frequency of 00500.00 instead of 12090.00 >> >> When i press BAND + : 00475.00 and BAND - : 12085.43 (stable). >> >> I?ve tested probe on TP2, I?d 4913.52 >> >> I reviewed all components in the pll schematics and nothing seems >wrong. >> >> Please help me, i don?t know what to look for now. >> >> Thanks a lot. >> >> ? >> Chris >> ______________________________________________________________ >> 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 >> Message delivered to donw...@embarqmail.com >> > > >------------------------------ > >_______________________________________________ >Elecraft mailing list >Post to: Elecraft@mailman.qth.net >http://mailman.qth.net/mailman/listinfo/elecraft >You must be a subscriber to post. >Elecraft web page: http://www.elecraft.com > >End of Elecraft Digest, Vol 193, Issue 12 >***************************************** ______________________________________________________________ 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 Message delivered to arch...@mail-archive.com
