6BL7GTA

Octal 8-pin heavy-duty, high-perveance dual power triode built to handle high peak pulse currents in television vertical deflection circuits and custom audio driver stages. Equivalents: 6BL7GT. Real-Life Examples: RCA CTC-5 color television chassis, Dumont RA-306 TV sets, high-end custom OTL (Output Transformerless) headphone amplifiers.