PHILIPS 6922 / E88CC — Vintage U.S.A. Quad (4 Pcs)
Grade: Gold Series
Laboratory Verified
Made in U.S.A.
Laboratory Verified
Made in U.S.A.
Top Ring Getter
JAN (Joint Army Navy) Grade
Dual Triode 6922 / E88CC
Amplitrex AT1000 Verified
JAN (Joint Army Navy) Grade
Dual Triode 6922 / E88CC
Amplitrex AT1000 Verified
Presenting a laboratory-tested quad (4 pieces) of authentic vintage Philips JAN 6922 vacuum tubes, manufactured in the U.S.A.. These military-spec valves feature the classic Top Ring Getter construction and are renowned for their ruggedness and clean sonic performance in high-fidelity circuits.
Every tube in this set has been fully characterized on a professional Amplitrex AT1000 analyzer. This quad is ideal for high-end audio gear requiring multiple matching 6922/E88CC positions.
| Serial No. | Triode Section | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| #1485012 | Section 1 (T1) | 15.0 | 18.0 | 120% | 12500 | 13050 | 104% |
| Section 2 (T2) | 15.0 | 16.8 | 112% | 12500 | 13200 | 105% | |
| #1485008 | Section 1 (T1) | 15.0 | 18.6 | 124% | 12500 | 13700 | 109% |
| Section 2 (T2) | 15.0 | 22.2 | 148% | 12500 | 14000 | 112% | |
| #1485026 | Section 1 (T1) | 15.0 | 20.4 | 136% | 12500 | 13420 | 107% |
| Section 2 (T2) | 15.0 | 19.2 | 128% | 12500 | 13240 | 106% | |
| #1485020 | Section 1 (T1) | 15.0 | 18.2 | 121% | 12500 | 13400 | 107% |
| Section 2 (T2) | 15.0 | 19.0 | 126% | 12500 | 13300 | 106% |
Technical Note: Percentage calculations are based on standard Amplitrex factory parameters for the 6922/E88CC family ($I_p$ = 15.0mA, $G_m$ = 12,500 uMhos).
Matching Data: Every tube includes individual Gain (Mu) and Plate Resistance (RP) data.
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Precision Verified — NOS Audio Tubes
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