7A-25Z

Designed to function as a second detector audio amplifier.
MFR: RCA, GE, Radio Television
SKU: 12AJ6
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.

Designed to be used as an oscillator or audio frequency amplifier.
MFR: RCA
SKU: 12J7GT
New old stock * No longer available for export.

Designed to operate in automobile receivers working directly off of 12V DC.
MFR: RCA
SKU: 12J8
New old stock * No longer available for export.

Designed to operate in amplifiers with 600ma series heater operated receivers
MFR: RCA
SKU: 12L6
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.

Designed for use in the audio-output stage of AC or AC-DC receivers.
MFR: Tung Sol
SKU: 12A6GT
New old stock * No longer available for export.

Designed to function as a combined detector, amplifier and automatic volume control tube.
MFR: RCA, GE, Tung Sol, Triad, Delco, Sylvania, Chief, Realistic, Brimar
SKU: 12AT6
New old stock * No longer available for export.