Designed for use in resistance coupled circuits as a voltage amplifier or phase inverter. Black base and band on glass. MFR: Tung-Sol SKU: 6SL7GT-GP-TS New old stock * No longer available for export.
Designed for use as a combined detector, amplifier, and automatic-volume-control tube in radio receivers. Manufactures RCA, Tung-Sol, GE, Raytheon, Sylvania,Philco, Westinghouse SKU: 6SQ7 New old stock * No longer available for export.