Mullard ECC83 — Matched Pair
MADE IN GREAT BRITAIN | SHORT PLATE | RING GETTER
Short Plate
Ring Getter
Amplitrex Verified
Up for sale is a premium matched pair of vintage Mullard ECC83 (12AX7) tubes. Manufactured in Great Britain, these units feature the classic Short Plate construction and Ring Getter design. Mullard ECC83s are globally sought after for their warm, musical, and harmonically rich sound profile.
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 exceptionally strong, ensuring peak performance and longevity.
| Serial No. | Test Triode – T1/T2 | Parameter 1p mAdc | Result 1p mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| #1705877 | Triode 1 | 1.2 | 1.5 | 125.0% | 1600 | 1600 | 100.0% |
| Triode 2 | 1.2 | 1.7 | 141.6% | 1600 | 1700 | 106.2% | |
| #1705881 | Triode 1 | 1.2 | 1.3 | 108.3% | 1600 | 1700 | 106.2% |
| Triode 2 | 1.2 | 1.4 | 116.6% | 1600 | 1700 | 106.2% |
⚠️ Note: Custom duties and taxes are the responsibility of the buyer in their country.
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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