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 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 to operate as a rectifier tube in AC and AC-DC amplifier circuits. New old stock * No longer available for export. MFR: Tung Sol, Cunningham, Pro Comm SKU: 35Z3
Designed to function as a combined AM detector, FM detector, and audio frequency voltage regulator. New old stock * New In Box * No longer available for export. MFR: Westinghouse, Tung Sol, Zytron SKU: 5T8
Designed to be used as mixers at frequencies as high as 600 megacycles. MFR: RCA, GE , Sylvania, Amperex, Tung-Sol SKU:6J6 New old stock * No longer available for export.