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Re: EI 6CA7's

You may not find this particularly encouraging.

I used Ei 6CA7's in my GTA SE-100 amp about 4 or 5 years ago. Sonically, I thought they were a winner and my favorite, preferring them over Sovtek and SED. However, they had a tendency to fail rather dramatically and after the second failure (each time bringing down a bias resistor), I simply threw them away.

I didn't have any issues biasing them -- each would bias properly. It was just general reliability.

Joe


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