ZAERIX 12AT7WA / CV4024 / 6060 – MATCHED PAIR
GRADE: GOLD SERIES | VINTAGE USA MANUFACTURE
Zaerix Brand Label
12AT7WA / CV4024 / 6060 Specification
Black Plate
Triple Mica
Square Getter
New in Original Box
Amplitrex AT1000 Tested
Up for sale is a matched pair (2 Pcs) of vintage NOS Zaerix 12AT7WA / CV4024 / 6060 military-grade dual triode audio tubes, housed in their original green Zaerix boxes. Manufactured in the USA, these premium military-spec valves feature heavy-duty black plate construction, a triple mica design for superior resistance against microphonics, and a classic square getter. Revered for their exceptional ruggedness, outstanding dynamic resolution, and smooth frequency response in high-end audio preamplifiers and driver stages.
Both tubes have been tested on an Amplitrex AT1000 automated valve tester at nominal reference settings. Plate Current (Ip) and Transconductance (uMhos) measurements alongside percentage performance ratings relative to standard factory specs are detailed in the table below.
| Serial No. | Tube Section | Plate Current (Ip) | Transconductance (uMhos) | ||||
|---|---|---|---|---|---|---|---|
| Ref Spec | Result | % Ip | Ref Spec | Result | % Gm | ||
| SR.NO. 2088001 | Triode 1 | 10.0 mA | 8.2 mA | 82% | 5500 uMhos | 4640 uMhos | 84% |
| Triode 2 | 10.0 mA | 5.2 mA | 52% | 5500 uMhos | 3600 uMhos | 65% | |
| SR.NO. 2088002 | Triode 1 | 10.0 mA | 9.8 mA | 98% | 5500 uMhos | 5480 uMhos | 100% |
| Triode 2 | 10.0 mA | 9.2 mA | 92% | 5500 uMhos | 4250 uMhos | 77% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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