Russian 6H8C / 6SN7GT — Matched Quad
NOS | BOTTOM PLATE GETTER | LABORATORY VERIFIED
Russian Federation
Black Base
Bottom Plate Getter
Amplitrex Verified
Black Base
Bottom Plate Getter
Amplitrex Verified
Available is a matched quad of vintage Russian 6H8C dual triodes, the high-quality equivalent to the 6SN7GT. Known for their robust military-style construction and reliable performance, these valves are an excellent choice for audiophiles looking for a balanced and linear sound in preamplifiers and driver stages.
Each unit has been analyzed on the Amplitrex AT1000. Following the percentage method, results are shown relative to original factory specifications (Ip = 9.0 mA / Gm = 2600 µMhos).
| Serial No. | Test Triode | Parameter Ip | Result Ip | % Ip | Parameter Gm | Result Gm | % Gm |
|---|---|---|---|---|---|---|---|
| 1052105 | T1 | 9.0 | 6.8 | 75.5% | 2600 | 2500 | 96.1% |
| T2 | 9.0 | 9.2 | 102.2% | 2600 | 2500 | 96.1% | |
| 1052109 | T1 | 9.0 | 5.8 | 64.4% | 2600 | 2500 | 96.1% |
| T2 | 9.0 | 7.0 | 77.7% | 2600 | 2500 | 96.1% | |
| 1052114 | T1 | 9.0 | 6.0 | 66.6% | 2600 | 2500 | 96.1% |
| T2 | 9.0 | 6.8 | 75.5% | 2600 | 2490 | 95.7% | |
| 1052093 | T1 | 9.0 | 6.8 | 75.5% | 2600 | 2510 | 96.5% |
| T2 | 9.0 | 6.6 | 73.3% | 2600 | 2500 | 96.1% |
Note: Custom duties and taxes are the responsibility of the buyer in their country.
Note: We have more than 1000 Pcs
NOS Audio Tubes — Vintage Valve Specialists
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