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[Amps] 2x 4cx1500b Rl

To: "amps@contesting.com" <amps@contesting.com>
Subject: [Amps] 2x 4cx1500b Rl
From: Benedikt Sveinsson <benedikts@vodafone.is>
Date: Tue, 13 Sep 2016 15:20:17 +0000
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Hi all

I brushing off a old project that I have been collecting parts for quite some 
time.

Was going to build a big SSPA, but I just can't throw this old project away, 
have all the parts and I always wanted to build a tube amp for HF, built few 
for vhf-uhf.

I'm now building the tank, and I have some questions about the Rl value

What value can I expect for these two tubes operating @3000v, max current is 
about 1.5A class AB - the normal calculation is giving quite low value
is about 1200 Ohms - Does anyone here have some real world experience what to 
expect or what values I should use when measuring the tank?


73, Benni TF3T



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