Mullard ECC82 — Long Grey Plate Pair
BRITISH MADE | TOP RING GETTER | PRECISION MATCHED
Long Grey Plate
Top Ring Getter
Amplitrex Verified
Up for sale is a superb matched pair of vintage Mullard ECC82 (12AU7) tubes. These feature the iconic Long Grey Plate and Top Ring Getter, manufactured in Great Britain. Known for their legendary warmth and musicality, these tubes are highly sought after for high-end Hi-Fi preamps and driver stages.
Precision matched and screened on the Amplitrex AT1000 digital laboratory tester. The results follow the Percentage Method against original factory design center specifications (Ip = 10.5 mA / Gm = 2200 µMhos). Testing with high emission and strong transconductance, this set is ready for critical audio applications.
| Sr. No. | Test Triode – T1/T2 | Parametre 1p mAdc | Result 1p mAdc | % Ip | Parametre Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| #3503016 | Triode 1 | 10.5 | 10.2 | 97.1% | 2200 | 2100 | 95.4% |
| Triode 2 | 10.5 | 9.8 | 93.3% | 2200 | 2000 | 90.9% | |
| #3503104 | Triode 1 | 10.5 | 9.2 | 87.6% | 2200 | 2100 | 95.4% |
| Triode 2 | 10.5 | 8.8 | 83.8% | 2200 | 2000 | 90.9% |
⚠️ Note: Custom duties and taxes are the responsibility of the buyer. Extended area surcharges may apply to remote locations—please confirm before checkout.
Note: 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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