Radio & Amplifier Service Parts

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 be used as an audio amplifier tube

New old stock * No longer available for export.
MFR: RCA
SKU: 6189-12AU7WA-RCA

12AX7A Wurlitzer By RCA

New Old Stock * No Longer Available for Export
MRF: RCA 
SKU: 12AX7A-WURLITZER-RCA

12AX7 RCA High Mu Twin Triode Black Plate Audio Tube (Pull)

Clean Used * No longer available for export
MRF: RCA
Made in U.S.A.
SKU: 12AX7-RCA-BP-P