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[Amps] Russian tubes GS35b et al.

To: <amps@contesting.com>
Subject: [Amps] Russian tubes GS35b et al.
From: MorgusMagnificen at aol.com (MorgusMagnificen@aol.com)
Date: Tue Feb 4 09:04:09 2003
I am looking for information on some of these Russian ceramic power tubes 
which are becomming so plentiful. However, in trying to do an actual design 
using the sparse data which I have obtained, I am getting very great 
discrepancies which I believe are due to errors in the data. They could also 
be a result of translation errors .

I wonder if anybody has actually gone through a proper analysis of an 
amplifier design using the Russian data sheets, and gotten the right results? 
I know that many have built amps and tweaked their way to happiness, which is 
okay if thats the best you can do.

I would like to know the truth about these tubes, particularly the GS35B, 
which at first glance looks like the bargain of the year. But when I analyze 
it using the plate curves which I got from that LY2 guy, it only puts out 
about 600W max. With that big 1600W copper anode radiator? 

If I can't find any help with this, I may just have to fire it up in a test 
bed an hand-plot a set of plate curves (not particularly fun - just another 
item on the list).

Eric K8LV 
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