PHILIPS JAN 6922 / E88CC – MATCHED PAIR 2 PCS
GRADE: PLATINUM SERIES | NOS US MILITARY SPEC JAN
JAN Military Grade Specification
Grey Plate
Top Ring Getter
6922 / E88CC / 6DJ8 Premium Dual Triode
New in Original GVT Box
Amplitrex AT1000 Tested
Up for sale is a matched pair (2 pieces) of original Joint Army Navy Philips ECG JAN 6922 / E88CC premium dual triodes, brand new in their original US military white boxes. Made in the USA, these ruggedized military-spec tubes feature internal grey plates and a robust top ring getter. Renowned for their ultra-low microphonics, exceptional durability, and punchy, detailed dynamic sound in high-end DACs, headphone amplifiers, and audio preamplifiers.
As shown, both tubes have been thoroughly tested on a laboratory-grade Amplitrex AT1000 tube tester. Plate current (Ip) and mutual conductance (uMhos) measurements alongside percentage performance ratings relative to factory specs are detailed in the table below.
| Serial No. | Section | Plate Current (Ip) | Transconductance (Gm) | ||||
|---|---|---|---|---|---|---|---|
| Factory Spec | Result | % Ip | Factory Spec | Result | % Gm | ||
| SR.NO. 1485012 | T1 | 15.0 mA | 18.0 mA | 120% | 12,500 µMhos | 13,050 µMhos | 104% |
| T2 | 15.0 mA | 16.8 mA | 112% | 12,500 µMhos | 13,200 µMhos | 106% | |
| SR.NO. 1485008 | T1 | 15.0 mA | 18.6 mA | 124% | 12,500 µMhos | 13,700 µMhos | 110% |
| T2 | 15.0 mA | 22.2 mA | 148% | 12,500 µMhos | 14,000 µMhos | 112% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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