Tubes - Transmitting, Audio, Misc.

Designed to be used in electronic computer applications and other On/Off applications.
New old stock * No longer available for export.
MFR: 6829
SKU: 12AV7

New Old Stock * No longer available for export
MFR: National
SKU: 7025/12AX7A-NAT

Designed to be used as a high gain voltage amplifier and a cathode type phase inverter
New old stock * No longer available for export.
MFR: International Servicemaster
Made in Japan
SKU: 12DW7-IEC

New Old Stock * No longer available for export
MFR: Unknown

SKU: 12AX7A-UN

No manufacturer label on tube

Designed to be used as an output amplifier primarily in automobile receivers and in AC-operated receivers
New old stock * No longer available for export.
MFR: Westinghouse
Made in Japan
SKU: 12AQ5-JAPAN-WH

12BV11 Twin Pentode Tube

MFR: Philco
SKU: 12BV11

Designed to function as a vertical deflection amplifier in TV amplifiers.

The 12B4A has exhibits a controlled heater warmup, Used with other 600-milliampre tubes that have the same heater warm-up characteristic, heater voltage surges across the individual tubes are minimized during warm-up period. Except for the controlled heater warm-up characteristic, the 12B4A is identical to the 12B4.
New old stock * No longer available for export.
MFR: RCA, Arcturus, Sylvania, Shield
SKU: 12B4A/12B4

Designed for service as a combined local oscillator and mixer at high frequencies.
MFR: RCA, GE, Sylvania, Westinghouse, Zenith, Crosley, Raytheon
SKU: 12BA7
New old stock * No longer available for export.

12BR7 Tube Duplex-Diode Triode