> Some of these SW Stations
> are going out to 12 and 15 K
International regulations generally call for a sharp
cutoff at 4500 Hz, down 35 dB at 5000 with a
35 dB minimum after that. In some areas 6000
Hz was used.
If "some" do the 12k or 15k thing, please tell us
the call letters and frequency.
- Jim W4ENE
----- Original Message -----
From: "Bob Peters" <rwpet...@swbell.net>
To: "'Discussion of AM Radio in the Amateur Service'"
<amradio@mailman.qth.net>
Sent: Saturday, September 05, 2009 12:09 PM
Subject: Re: [AMRadio] Hallicrafters R-12 speaker
> That is great John but look at the freq response
> of that speaker...Great low end but only goes to 4
> K on the high side... Some of these SW Stations
> are going out to 12 and 15 K...Great for AM
> Amateur Voice use..Check out this 8 inch at
> http://www.penton-usa.com/finalpdf/LCS8XT72.pdf
> ... It goes out to 16K and cost is $18.
> Wholesale...Pro Net is $32...Take off the grill
> and transformer...The tranny is great as a 500 ohm
> to 8 ohm conversion. Throw the grill away LOL...
> Like I said to Brian use a pair of these and they
> will rock from a push pull amp or even a single
> ended amp...
>
> Bob W1PE
>
> -----Original Message-----
> From: amradio-boun...@mailman.qth.net
> [mailto:amradio-boun...@mailman.qth.net] On Behalf
> Of John Coleman
> Sent: Saturday, September 05, 2009 10:17 AM
> To: Discussion of AM Radio in the Amateur Service
> Subject: Re: [AMRadio] Hallicrafters R-12 speaker
>
> I agree Bob. Maybe Brian intends to put a pair of
> 805 between the receiver and the speaker and play
> some guitar. At any rate I'm sure he has his
> reasons.
>
> I might go with this one
> (http://www.parts-express.com/pe/showdetl.cfm?Part
> number=290-486), and even it is an over kill but
> selection of 12 inch speakers with less than a 20
> watt rating are few and far between. Many times I
> will cut a board to fit where the speaker goes and
> then mount a smaller speaker to the board. In
> most cases the smaller speaker has better sound
> due to modern manufacturing and tech specs than
> the older one.
> http://www.parts-express.com/pe/showdetl.cfm?Partn
> umber=290-486
>
> 73, John
>
> -----Original Message-----
> From: amradio-boun...@mailman.qth.net
> [mailto:amradio-boun...@mailman.qth.net] On Behalf
> Of Bob Peters
> Sent: Friday, September 04, 2009 6:02 PM
> To: 'Discussion of AM Radio in the Amateur
> Service'
> Subject: Re: [AMRadio] Hallicrafters R-12 speaker
>
> WOW That is way overkill for Ham Radio ...Bob
>
> -----Original Message-----
> From: amradio-boun...@mailman.qth.net
> [mailto:amradio-boun...@mailman.qth.net] On Behalf
> Of WA5AM
> Sent: Friday, September 04, 2009 5:45 PM
> To: Discussion of AM Radio in the Amateur Service
> Subject: Re: [AMRadio] Hallicrafters R-12 speaker
>
> This one here:
> http://www.parts-express.com/pe/pshowdetl.cfm?&DID
> =7&Partnumber=290-834&ctab=2#Tabs
>
> 73
> Brian
>
>
>
> On 9/4/09, John Coleman <j...@pctechref.com> wrote:
>>
>> I'm curious Brian, what is the one that you
> intend to get?
>> John, WA5BXO
>>
>> -----Original Message-----
>> From: amradio-boun...@mailman.qth.net [mailto:
>> amradio-boun...@mailman.qth.net] On Behalf Of
> WA5AM
>> Sent: Friday, September 04, 2009 4:42 PM
>> To: Discussion of AM Radio in the Amateur
> Service
>> Subject: Re: [AMRadio] Hallicrafters R-12
> speaker
>>
>> Thanks John. They appear to have one that will
> work very well, and the
>> price on their speakers is darn good!
>>
>> 73
>> Brian
>>
>>
>>
>> On 9/4/09, John Coleman <j...@pctechref.com>
> wrote:
>> >
>> > Brian
>> > I buy most speakers from Parts Express.
> They have a lot of audio
>> > parts and equipment.
> (http://www.parts-express.com)
>> > Good Luck
>> > John, WA5BXO
>> >
>> >
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>>
>>
>> --
>> Brian Sherrod, PA
>> My website: http://w5ami.net
>> Arkansas Amateur Community Forums -
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>>
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> --
> Brian Sherrod, PA
> My website: http://w5ami.net
> Arkansas Amateur Community Forums -
> http://w5ami.net/forums
> wa...@arrl.net
> __________________________________________________
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