[Amps] Amplifier 2x3-500Z

[Carl]

Toroids and mica compression trimmers are the way to go in 2010. Mount them 
on a board with relay control and put them where they can be safely tuned.

Carl
KM1H


----- Original Message ----- 
From: "Gino" <gino at camporese.net>
To: <amps at contesting.com>
Sent: Friday, March 26, 2010 6:45 AM
Subject: [Amps] Amplifier 2x3-500Z


>I need some information for amp 2 x 3-500z input circuit. I see many 
>circuit but National XR-50 in no available.
>
> can you help me?
>
> many thanks
>
> IK3HZI Gino
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