MULLARD M8162 / 12AT7WA / CV4024 – MATCHED PAIR (2 PCS)
GRADE: GOLD SERIES | VINTAGE GREAT BRITAIN MILITARY-SPEC DUAL TRIODES
Mullard M8162 / CV4024 / 12AT7WA
3-Hole Ribbed Plates
Top Square Getter
New in White Box
Amplitrex AT1000 Tested
Up for sale is a matched pair (2 Pcs) of vintage NOS Mullard M8162 / 12AT7WA / CV4024 premium dual triode vacuum tubes, packaged in white boxes. The M8162 / CV4024 is Mullard’s special-quality, military-spec, low-noise version of the standard 12AT7 / ECC81, designed for extreme durability and audio fidelity. Manufactured in Great Britain, these tubes feature classic 3-hole ribbed plates and a desirable top square getter. Revered by audiophiles and guitar amplifier enthusiasts worldwide for their lush, warm midrange, detailed top end, and smooth compression.
As shown, both tubes have been thoroughly tested on our laboratory-grade Amplitrex AT1000 tube tester operating in full fixed-bias mode. Plate current (Ip) and transconductance (Gm) measurements alongside percentage performance ratings relative to nominal factory 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. 877010 | T1 | 10.0 mA | 6.6 mA | 66% | 5500 µMhos | 3950 µMhos | 72% |
| T2 | 10.0 mA | 5.8 mA | 58% | 5500 µMhos | 3640 µMhos | 66% | |
| SR.NO. 877084 | T1 | 10.0 mA | 8.2 mA | 82% | 5500 µMhos | 3840 µMhos | 70% |
| T2 | 10.0 mA | 6.8 mA | 68% | 5500 µMhos | 3600 µMhos | 65% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
Note: We have more than 40 Pcs
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