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Info needed on Motorola 2 tube RF deck

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March 28th 06, 06:06 PM posted to rec.radio.amateur.homebrew

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Info needed on Motorola 2 tube RF deck

That tube might even be worth money on Ebay!

The Eternal Squire

wrote:
Dont trash it, find someone that wants it for a repeater or something.

Allison

On Mon, 27 Mar 2006 16:35:42 -0500, "Ken" wrote:

Thanks Allison for your info. Looks like another one for the trash can. I
figured that the tubes which I figured would do as much as 4CX250s would get
me to 300-500 watts SSB. Oh well we can't get lucky every time.
73,
Ken, WS4V

wrote in message
.. .
On Sun, 26 Mar 2006 21:17:17 -0500, "Ken" wrote:

I have a Motorola amplifier from a working remote base. The only number I
can find TLD6612A on the PA deck. It is a two tube, conduction cooled
amplifier that was operating on 161 mhz. The tubes are 65-82282D02 (Eimac
8560AS I am told is the same tube). I would like to know if anyone has
converted one of these PAs to 2 meter SSB and any hints of how to do so. I
don't have the manual for the remote base or the PA.

Please reply to the group.

Thanks guys,
Ken

IF it's the one I remember just retune it. For SSB you will have to
run different bias and accept lower power. The original design ran
Class C FM and is totally unsuited for SSB without different bias.

As memory serves for FM that was either a 40 or 60W package and
for SSB you cant run that hard. Also the input power limit was very
low (well under 1W).

Allison

Allison

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