6U8
The 6U8 (European equivalent ECF82) is a triode and pentode in a single tube with a B9A (Noval) miniature 9-pin base.
Used in
- 535 (early models)
The 6U8 (European equivalent ECF82) is a triode and pentode in a single tube with a B9A (Noval) miniature 9-pin base.