Mullard ECC83 — Rare Long Plate
MADE IN GREAT BRITAIN | LONG PLATE | RING GETTER
Rare Long Plate
Ring Getter
Amplitrex Verified
Up for sale is a rare vintage Mullard ECC83 (12AX7) featuring the highly desirable Long Plate construction and Ring Getter. Manufactured in Great Britain, the long-plate version is specifically sought after by audiophiles for its superior detail, expansive soundstage, and legendary British warmth.
This tube 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). With transconductance testing at 100% and 106%, this unit is in excellent health and ready for high-end audio service.
| Serial No. | Test Triode – T1/T2 | Parameter 1p mAdc | Result 1p mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| #3434005 | Triode 1 | 1.2 | 0.9 | 75.0% | 1600 | 1700 | 106.2% |
| Triode 2 | 1.2 | 0.9 | 75.0% | 1600 | 1600 | 100.0% |
⚠️ 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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