MULLARD M8162 / 12AT7WA – MATCHED PAIR 2 PCS
GRADE: GOLD SERIES | VINTAGE NOS BRITISH MILITARY HIGH-RELIABILITY SPEC
M8162 / 12AT7WA / CV4024 Premium Spec
Grey Plate
Top Square Getter
New in White Box
Amplitrex AT1000 Tested
Up for sale is a matched pair (2 pieces) of highly coveted vintage Mullard M8162 / 12AT7WA dual triode tubes, brand new in protective white boxes. Made in Great Britain, these premium military-grade M8162 variants feature classic grey plates, distinctive top square getters, and crisp white shield logo stenciling. Renowned worldwide for their lush midrange warmth, rich harmonic texture, and exceptional microphonic resistance in high-end Hi-Fi preamps, guitar amplifiers, and studio gear.
As shown, both tubes have been thoroughly tested on our laboratory-grade Amplitrex AT1000 tube tester. Plate current (Ip) and mutual conductance (uMhos) measurements alongside percentage performance ratings relative to nominal specs are detailed in the table below.
| Serial No. | Triode Section | Plate Current (Ip) | Transconductance (Gm) | ||||
|---|---|---|---|---|---|---|---|
| Ref Spec | Result | % Ip | Ref Spec | Result | % Gm | ||
| SR.NO. 877084 | T1 | 10.0 mA | 8.2 mA | 82% | 5,500 µMhos | 3,840 µMhos | 70% |
| T2 | 10.0 mA | 6.8 mA | 68% | 5,500 µMhos | 3,600 µMhos | 65% | |
| SR.NO. 877035 | T1 | 10.0 mA | 7.4 mA | 74% | 5,500 µMhos | 3,810 µMhos | 69% |
| T2 | 10.0 mA | 6.4 mA | 64% | 5,500 µMhos | 3,670 µMhos | 67% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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