Tubes - Transmitting, Audio, Misc.

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 as a combined detector, audio amplifier and automatic volume control tube.
MFR: RCA, Sylvania
SKU: 12SR7
New old stock * No longer available for export.

Designed to operate as a diode detector, avc rectifier and as a audio amplifier in AC, AC-DC, and DC circuits.
MFR: RCA, GE
SKU: 12SW7
New old stock * No longer available for export.

Designed to operate as a converter in AC/DC amplifiers.
MFR: RCA
SKU: 12SY7
New old stock * No longer available for export.

Designed to function as a general purpose diode in 12v circuits often found in automobiles
MFR: RCA
SKU: 12U7
New old stock * No longer available for export.

Designed to function in the power output phase of AC/DC receivers.
MFR: RCA
SKU: 25L6
New old stock * No longer available for export.

Designed for AC/DC service from 117 volt line in three way portable receivers
New old stock * New In Box * * No longer available for export.
MFR: RCA, Tung-Sol
SKU: 117L7GT-TS

Designed for use as a horizontal-deflection amplifier in color television receivers.
New old stock * New In Box * No longer available for export.
MFR: RCA
SKU: 36KD6-RCA