[AMRadio] Modulator Transformers FS


Fred L. DeRoos flderoos at cpinternet.com
Sat Jan 14 08:02:16 EST 2006


Thanks Byron,

I was just curious if they were manufactured by
any of the normal companies and/or if they had
printed specs.

Tnx,

Fred WA0GMH

----- Original Message ----- 
From: "Byron Tatum" <bjtatum at ev1.net>
To: "Discussion of AM Radio"
<amradio at mailman.qth.net>
Sent: Friday, January 13, 2006 10:36 PM
Subject: Re: [AMRadio] Modulator Transformers FS


> 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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