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 to be utilized as a grounded Cathode, neutralized RF amplifier tube in tuners of VHF TV and FM receivers MFR: RCA SKU:6DS4 New old stock * No longer available for export.
Used in TV amplifiers as a damping diode in direct drive sweep circuits MFR: Philco, GE, RCA SKU: 6AX4GTB New old stock * No longer available for export