GENERAL ELECTRIC 6201 / 12AT7WA – SINGLE TUBE (1 PC)
GRADE: PLATINUM SERIES | MADE IN USA
Triple Mica Construction
Top Square Getter
Grey Plate
6201 / 12AT7WA / ECC81
New in White Box
Amplitrex AT1000 Tested
Up for sale is a premium vintage NOS General Electric 6201 / 12AT7WA dual triode vacuum tube, manufactured in the USA and supplied in a clean white box. Highly regarded for its rugged construction and exceptionally low microphonics, this military-spec tube features triple mica supports, grey plates, and a top square getter. An outstanding choice for high-end audio preamplifiers, phase inverters, and guitar amplifiers requiring 12AT7 / 6201 / ECC81 tubes.
This tube has been thoroughly tested on a precision Amplitrex AT1000 tube tester. Plate Current (Ip in mA) and Mutual Conductance (uMhos / µmhos) measurements along with percentage performance ratings relative to nominal factory reference specs (10.0 mA / 5500 µmhos) are detailed in the table below.
| Serial No. | Triode Section | Plate Current (Ip) | Mutual Conductance (uMhos) | ||||
|---|---|---|---|---|---|---|---|
| Ref Spec | Result | % Ip | Ref Spec | Result | % uMhos | ||
| SR.NO. 2407004 | Triode 1 | 10.0 mA | 9.6 mA | 96% | 5500 | 4940 | 90% |
| Triode 2 | 10.0 mA | 8.8 mA | 88% | 5500 | 4850 | 88% | |
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