12Q7GT

12Q7GT, Filament / Heater: 12.6V at 150mA, Pin Count / Base: 8-Pin Octal with Top Cap (Standard GT Profile), Description: Combined twin diode and high-mu triode valve deployed for AM signal envelope detection and preliminary audio voltage amplification grids. Equivalent: RCA 12Q7GT / Sylvania 12Q7GT / GE 12Q7GT / Tung-Sol 12Q7GT. Examples of Use: Early automotive superheterodyne AM radios, vintage Delco car radio tuners, mobile aircraft communication receivers, vintage desktop shortwave adapters, low-voltage field test devices, marine communications multi-band receivers. TUBE IN BOX - TUBE WILL BE TESTED BEFORE SHIPMENT [1]