[Amps] Different 3-500Z amplifiers
Carl
km1h at jeremy.mv.com
Tue May 28 10:43:29 EDT 2013
Metal anodes were produced by Eimac and China.
Graphite anodes were/are produced by Eimac, Amperex, Philps, and China.
Carl
KM1H
----- Original Message -----
From: "Paul Baldock" <paul at paulbaldock.com>
To: "'Amps reflector'" <amps at contesting.com>
Sent: Monday, May 27, 2013 10:05 PM
Subject: [Amps] Different 3-500Z amplifiers
>
> I have 2 amps with 3-500Zs. The 3-500Z's have Eimac labeling. The
> anode of these has vertical fins.
>
> I just acquired another amp with 3-500Zs. These tubes have no
> lebeling and have an anode with a horizontal disks.
>
> Could somebody educate me on the operational difference if any of
> these 2 very different looking 3-500Z's?
>
> Thanks
>
> - Paul
>
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