6SC7

6SC7, Filament / Heater: 6.3V at 300mA, Pin Count / Base: 8-Pin Octal (Metal or Glass Profile), Description: Symmetrical high-mu twin triode sharing a common cathode, utilized as a high-gain phase inverter or microphone preamplifier stage. Equivalent: RCA 6SC7 / Sylvania 6SC7 / GE 6SC7 / Tung-Sol 6SC7 TUBE IN BOX - TUBE WILL BE TESTED BEFORE SHIPMENT