Designed to be used as the vertical deflections amplifier in TV receivers. MFR: GE, RCA, Sylvania SKU: 6S4A New old stock * No longer available for export.
Designed to function as a vertical deflection amplifier or horizontal deflection oscillator in TV amplifiers MFR: RCA SKU: 8FQ7 New old stock * No longer available for export.
Designed to be used as a horizontal deflection amplifier in TV receivers. MFR: RCA, GE, Raytheon SKU: 12BQ6GA New old stock * No longer available for export.
It is intended for power rectifier service in AC operated equipment or for use with storage battery and vibrator in automotive receivers or amplifiers. MFR: RCA, Philco, Zytron SKU: 7Z4 New old stock * No longer available for export.
Designed for use as a detector and intermediate-frequency or audio-frequency amplifier. MFR: RCA SKU: 12SF7 New old stock * No longer available for export.