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Toshiba 12AX7 - short gray plates, various labels

Vintage Japan 12AX7 - short gray plates, halo getter
Price: $44.00
1 in stock
Item Number: 903
Manufacturer: Toshiba (Tokyo Shibaura Electric)

This 1960s Toshiba 12AX7 / ECC83 tube was made in Japan and labeled for various companies (Raytheon, Lafayette, etc.). It has short gray plates plates and a halo getter. E
xcellent quality vintage 12AX7 tubes at an affordable price.

This tube tests as new. It has been screened for gas, heater-cathode leakage, shorts, and excessive noise and microphonics on each triode section. It was tested at typical operating voltages on a laboratory grade Amplitrex AT1000 (manual setting, fixed bias mode). Learn more about our testing process here. See product options for current availability.

Noise and microphonics

This tube tests as "phono/V1 grade"--the quietest range for noise and microphonics--on our custom noise testing equipment. It is an excellent choice for sensitive applications such as microphone preamps, V1 positions, DA converters, and phono stages.


This tube is sold individually.
Photo is a sample from the lot. It ships in a new white box with test results for current draw (mA) and transconductance (Gm). Matched pairs, when available, are listed as Item 902.

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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.

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