Receiving Tubes

6680 / 12AU7A RCA Medium Mu Twin Triode (NOS/NIB)

In Stock

• For applications critical as to microphonics

New Old Stock * No longer available for export
MFR: RCA
SKU: 6680-12AU7A-RCA

Data Sheet

ECC 803S Telefunken Gold Pin High Mu Twin Triode Tube Made In West Germany E83CC, 12AX7 (NOS/NIB)

In Stock

The ECC 803S (ECC803S) Telefunken Gold Pin High Mu Twin Triode tube is RARE and difficult to find.  The ECC803S is a very low noise, special quality 12AX7, made with the old-style Telefunken German precision. These have the ultra wide bandwidth of the Telefunken ECC803s, but also have nicely matched internal triodes, gold pins, and have been carefully factory-screened for low noise. 

New Old Stock/New In the Box * No longer available for export

MFR: Telefunken, West Germany

SKU: ECC803S-West German

6829/12AV7 GE, Raytheon Twin Triode Tube (NOS/NIB)

In Stock

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

7025/12AX7A National Special Purpose Audio Tube Low Noise High Mu Twin Triode (NOS/NIB)

In Stock

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

7247-12DW7 International Double Triode Tube Made in Japan (NOS/NIB)

In Stock

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

12AX7A High Mu Twin Triode - No Branding (NOS)

In Stock

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

SKU: 12AX7A-UN

No manufacturer label on tube

UA78H12ASC Transistor, ASC

In Stock

UA78H12ASC Transistor, MFR: ASC  No longer available for Export, (NOS)

12AQ5 Westinghouse Beam Power Amplifier Tube Japan (NOS/NIB)

In Stock

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

12BW4 Full Wave High Vacuum Rectifier Tube (NOS)

In Stock

Designed to be used in automobile audio tube amplifiers where 12v power is supplied.
MFR: RCA, Sylvania, Raytheon
SKU: 12BW4
New old stock * No longer available for export.

12B4A / 12B4 Low Mu Triode Tube (NOS/NIB)

In Stock

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