7A-25Z

Designed to function in high vibration, temperature, and shock environments.
New old stock * No longer available for export.
MFR: RCA, Raytheon
SKU: 6112

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 second detector audio amplifier.
MFR: RCA, GE, Radio Television
SKU: 12AJ6
New old stock * No longer available for export.

Designed to function as a detector in a large variety of circuits
MFR: GE, RCA, Sylvania, Raytheon
SKU: 12AL5
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.

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.

A substitute for the 12AX7
New old stock / New in box * No longer available for export
MFR: RCA
SKU: 12BZ7A-RCA

General purpose medium-mu triode. It is useful for service as an oscillator or audio-frequency amplifier.
MFR: RCA
SKU: 12J5
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.