12A4
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The 12A4 (P/N 154-0037-00) is a miniature 6.5 W power pentode vacuum tube with a B9A (Noval) miniature 9-pin base.
Links
- 12A4 @ radiomuseum.org
The 12A4 (P/N 154-0037-00) is a miniature 6.5 W power pentode vacuum tube with a B9A (Noval) miniature 9-pin base.