[Amps] Question for Alpha Owners

Carl km1h at jeremy.mv.com
Fri Aug 24 11:22:17 EDT 2012


>From what Ive chased down those are built using Eimac supplied tooling but 
dont know about QC.
I have had Penta branded Chinese versions that worked identical to Eimacs in 
a LK-800NTC which is the No Tune version.
OTOH the anode cooler had a lot more fins but still cooled fine at 2500W for 
the 3 of them.

Carl
KM1H


----- Original Message ----- 
From: "W5CUL" <w5cul at sbcglobal.net>
To: <amps at contesting.com>
Sent: Friday, August 24, 2012 10:02 AM
Subject: [Amps] Question for Alpha Owners


>I am looking for comments from anyone who has field experience in using
> Machlett 3CX800A7 tubes in their Alpha compatible amplifiers.  Is the 
> input
> impedance different from that of the EIMAC version, any issues or
> differences with driving an amp with Machlett tubes installed.etc.  I saw 
> a
> similar question on the Alpha forum, but no answer as of yet.
>
>
>
> Thank you,
>
>
>
> Mike
>
> W5CUL
>
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