6H23N-ECC88 — Matched Pair
GRADE: GOLD SERIES | LABORATORY VERIFIED | NOS/VINTAGE STOCK
Grey Plate Construction
Russian Military Grade
Amplitrex AT1000 Digital Testing
Offered here is a precision-matched pair of vintage 6H23N / ECC88 vacuum tubes, featuring the robust Grey Plate structure and Top Cup Getter. These military-grade Russian valves are world-renowned for their exceptionally long life, low microphonics, and high-transconductance performance.
Both tubes have been thoroughly analyzed on the Amplitrex AT1000 digital tester. Following our Percentage Method, the results below show how each triode section performs relative to the 100% factory design-center specifications for this tube type (Ip = 15.0mA / Gm = 12500 µMhos).
| Serial No. | Triode Section | Parameter Ip | Result Ip | % Ip | Parameter Gm | Result Gm | % Gm |
|---|---|---|---|---|---|---|---|
| #4610001 | Section 1 (T1) | 15.0 | 10.2 | 68% | 12500 | 10300 | 82% |
| Section 2 (T2) | 15.0 | 7.4 | 49% | 12500 | 9300 | 74% | |
| #4610003 | Section 1 (T1) | 15.0 | 14.6 | 97% | 12500 | 9540 | 76% |
| Section 2 (T2) | 15.0 | 14.0 | 93% | 12500 | 10460 | 84% |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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