Raytheon 12AU7A / ECC82
SHORT PLATE | RING GETTER | MADE IN U.S.A. | NOS NIB
USA Made
Short Plate
Matched Pair
Up for sale is a premium matched pair of Raytheon 12AU7A (ECC82) vacuum tubes, Made in the U.S.A. These New Old Stock (NOS) units feature Short Plate construction and Ring Getters, and are supplied in their original factory boxes. Known for their rugged reliability and clear tonal profile, these American-made tubes are a top-tier upgrade for any hi-fi system.
Precision tested on our Amplitrex AT1000 digital laboratory system, the results below utilize the Percentage Method against original factory design-center specifications (Ip = 10.5 mA / Gm = 2200 µMhos). Both tubes show strong performance, with #2062002 showing an excellent internal triode match.
| Serial No. | Test Triode – T1/T2 | Parameter ip mAdc | Result Gm uMhos | % Ip (Emission) | Parameter Gm uMhos | Result Gm uMhos | % Gm (Transc.) |
|---|---|---|---|---|---|---|---|
| #2062001 | Triode 1 | 10.5 | 10.0 | 95.2% | 2200 | 2100 | 95.5% |
| Triode 2 | 10.5 | 11.2 | 106.7% | 2200 | 2200 | 100.0% | |
| #2062002 | Triode 1 | 10.5 | 8.8 | 83.8% | 2200 | 2100 | 95.5% |
| Triode 2 | 10.5 | 8.5 | 81.0% | 2200 | 2100 | 95.5% |
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
Note: Extended area surcharges may apply for remote addresses; please confirm before checkout.
Quality Verified Since 1970
Specializing in thoroughly screened vacuum tubes with an inventory of approx. 300,000 units.
Testing equipment includes Amplitrex AT1000, Hickok 752a, and AVO Type 160.
Custom duties and taxes are the responsibility of the buyer in their country.
Support: [email protected] Precision Verified — NOS Audio Tubes
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