Mullard ECC83 — Premium Matched Pair
MADE IN GT. BRITAIN | TOP SOLID DISC GETTER | GREY PLATE
Top Solid Disc Getter
Grey Plate
Amplitrex Verified
Available for sale is a world-class matched pair of vintage Mullard ECC83 (12AX7) tubes. Manufactured in Great Britain, these units feature the early Top Solid Disc Getter and Grey Plate construction. Mullard tubes are globally renowned for their unmatched warmth, musicality, and low noise floor.
This pair has been precision tested on the Amplitrex AT1000 digital laboratory tester. The results below follow the Percentage Method against original factory design-center specifications (Ip = 1.2 mA / Gm = 1600 µMhos). Both tubes test with incredibly high emission levels, ensuring a long service life and peak performance.
| Serial No. | Test Triode – T1/T2 | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| 169003 | Triode 1 | 1.2 | 2.7 | 225.0% | 1600 | 1500 | 93.7% |
| Triode 2 | 1.2 | 2.9 | 241.6% | 1600 | 1600 | 100.0% | |
| 1689998 | Triode 1 | 1.2 | 2.5 | 208.3% | 1600 | 1500 | 93.7% |
| Triode 2 | 1.2 | 2.8 | 233.3% | 1600 | 1600 | 100.0% |
⚠️ 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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