12AT7
The 12AT7 (European type ECC81) is a dual high-gain triode with a B9A (Noval) miniature 9-pin base. The high-reliability equivalent is the 6201.
The 12AT7 (European type ECC81) is a dual high-gain triode with a B9A (Noval) miniature 9-pin base. The high-reliability equivalent is the 6201.