Availability: 1 In Stock
Raytheon - 12AU7A / 12AU7 / ECC83
The 12AU7A is a miniature medium-mu twin triode intended for service in radio and television receivers, as well as audio amplifiers.
The electrical characteristics of the 12AU7A and 12AU7 are essentially equivalent. As compared to the 12AU7, the 12AU7A exhibits a lower microphonic output.
This tube tested better than new with perfectly balanced triodes @ 3690/3690
Tested on Calibrated Hickok 6000 Tube Tester
 Shorts |
Filament
|
Quality
(Good/Bad) |
|
Continuity |
Gas
Leakage |
Mutual
Conductance (New 2200/2200) |
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