The Diode in the tube is designed for FM detection and the triode is for audio-frequency voltage amplification MFR: GE SKU: 6AY11 New old stock * No longer available for export
Designed for use as a vertical deflection amplifier or as an audio amplifier. MFR: GE Raytheon, Arcturus SKU: 6CZ5 New old stock * No longer available for export.
Designed to operate as a combined verticle-deflection oscillator andamplifier in TV recievers New old stock * New In Box * No longer available for export MFR: Sylvania, RCA, CBS, Tung-Sol SKU: 6CY7