6H6N / 6N6P USSR -1981
MILITARY GRADE | GREY PLATE | PLATE GETTER | MATCHED QUAD
Production: 1981
Grey Plate
Available for Sale is a matched Quad of 6H6N / 6N6P double triodes, manufactured in the USSR. These valves feature the classic grey plate design and top plate getters, known for their robust performance in audio driver and power stages.
Both units are in NOS (New Old Stock) condition and come in their original Electronorgtechnica blue boxes. To ensure perfect channel balance and performance, this pair has been laboratory-verified using the Amplitrex AT1000 professional tube tester.
| Serial No. | Test Triode | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| 2821046 | Triode 1 | 28.0 | 25.0 | 89.2% | 11200 | 10200 | 92.7% |
| Triode 2 | 28.0 | 26.2 | 93.5% | 11200 | 10400 | 92.8% | |
| 2821034 | Triode 1 | 28.0 | 32.6 | 116.4% | 11200 | 10640 | 95% |
| Triode 2 | 28.0 | 29.2 | 104.2% | 11200 | 10400 | 92.8% | |
| 2821012 | Triode 1 | 28.0 | 27.4 | 97.8% | 11200 | 10300 | 91.9% |
| Triode 2 | 28.0 | 27.0 | 96.4% | 11200 | 10600 | 94.6% | |
| 2821053 | Triode 1 | 28.0 | 27.0 | 96.4% | 11200 | 10480 | 93.5% |
| Triode 2 | 28.0 | 28.5 | 101.7% | 11200 | 10800 | 96.4% |
⚠️ 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.
NOTE :WE HAVE MORE THAN 4000 PCS
Quality Verified Since 1970
Support: [email protected] Precision Verified — NOS Audio Tubes
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