[AMRadio] Modulator Transformers FS


Byron Tatum bjtatum at ev1.net
Fri Jan 13 23:36:13 EST 2006


Fred-
    There are transformers from a couple of different manuf. I can give 
impedances when I get to the manual, it is buried right now.
----- Original Message ----- 
From: "Fred L. DeRoos" <flderoos at cpinternet.com>
To: "Discussion of AM Radio" <amradio at mailman.qth.net>
Sent: Friday, January 13, 2006 5:41 PM
Subject: Re: [AMRadio] Modulator Transformers FS


> Bryon,
>
> Are there part numbers on the transformers?
>
> Thanks,
>
> Fred WA0GMH
> ----- Original Message ----- 
> From: "Byron Tatum" <bjtatum at ev1.net>
> To: <AMRadio at mailman.qth.net>
> Sent: Friday, January 13, 2006 4:29 PM
> Subject: [AMRadio] Modulator Transformers FS
>
>
> Hello-
>    I am parting out several older VHF AM
> transmitters built for CAA {Pre-FAA}. These units
> have mil-spec sealed transformers. The modulators
> inputted around 0 to + 20 dBm. audio at 600 ohms,
> have a couple of interstages transformers and a 65
> watt modulation transformer. Audio tubes were
> 12AU7's and pair of  6146's, final was a single
> 4X150A. The modulation transformer has both plate
> and screen secondaries for your final, pri. is
> push-pull 6146's. Selling transformer set and
> schematic of audio section. 50.00 per set, approx.
> shipping weight is 35#. Thanks, WA5THJ.
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