>
>I recently replaced a working pair of chinese 572's in
>a SB-200. The amp was working fine , but when
>replacing with the new russian tubes they only give
>400 watts cw peak. I noticed that one tube glows red
>more than the other. I switched sockets and I still
>have the same socket glowing more than the other.
>Strangely the chinese tubes glow with equal
>dissapation.
>
>Any clues ???????????????????????
>
The Russian tubes reportedly have more amplification. The socket
specific thing sounds like some sort of oscillation to me.
>
- later, Mike
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
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