[AMRadio] Todays Toy - Elmac PS-2V


Joe Crawford crawfish at surfmore.net
Tue Feb 12 20:07:24 EST 2008


I just bought an AF-67. I have two A-54H(not AF)transmitters I need to get 
sold or traded once I get them working.Nothing like plate modulation.
                                             Joe W4AAB
----- Original Message ----- 
From: "Greg" <bluebirdtele at embarqmail.com>
To: "Discussion of AM Radio in the Amateur Service" 
<amradio at mailman.qth.net>
Sent: Tuesday, February 12, 2008 2:35 PM
Subject: Re: [AMRadio] Todays Toy - Elmac PS-2V


> The original relay probably pooped out and was substituted with a six volt 
> DC relay.  The extra connector on the end of the cable is most likely for 
> the mobile receiver or front end converter.  I got a bad feeling that the 
> AF 54 67 and 68 will be going up in price soon due to the demand for 
> quality plate modulated stuff.
> Thanks for the FB pic's JT
> 73's
> Greg
> WA7LYO
> Kinston NC
> ----- Original Message ----- 
> From: "JT Croteau" <jt.n1ese at gmail.com>
> To: "Discussion of AM Radio in the Amateur Service" 
> <amradio at mailman.qth.net>
> Sent: Tuesday, February 12, 2008 2:58 PM
> Subject: Re: [AMRadio] Todays Toy - Elmac PS-2V
>
>
>> Update on my PS-2V..
>>
>> The relay kit installed is not the original PTR-1 kit that was put
>> together by Multi-Products.  This relay is a Western Electric 24V unit
>> where the original supplied was a 24V Potter & Brumfield unit.  The
>> relay is supposed to be powered by the 24V tap coming off the filament
>> transformer.  However, this installation is powered by the dedicated
>> 6.3V transformer that has been mounted to the top of the plate tranny.
>> There are then three diodes and a big 1000 uF capacitor in between
>> the 6.3V tranny and the relay.  I don't understand why it was done
>> like this at all.
>>
>> -- 
>> JT Croteau, N1ESE - Manchester, NH (FN42gx)
>> Contest Manager, TARA Skirmish
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