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.
Designed for use in the power supply of AC operated equipment. New old stock * No longer available for export. MFR: Tung-Sol, RCA, National Union SKU: 80-TUBULAR
Designed to be used as a high gain voltage amplifier and a cathode type phase inverter New old stock * No longer available for export. MFR: Tung Sol SKU: 7247-TS
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 to be used as a high gain voltage amplifier and a cathode type phase inverter This tube can replace 7247 New old stock * No longer available for export. MFR: Sylvania, USA SKU: 12DW7-SYL
