TUNG-SOL 6SL7GT — Matched Pair
GRADE: GOLD SERIES | LABORATORY VERIFIED | NOS/VINTAGE STOCK
Black Base
NOS USA Production
Amplitrex AT1000 Digital Testing
Available here is a premium matched pair of vintage Tung-Sol 6SL7GT dual triodes. Recognized by their unique Half Black Coated Glass and sturdy Black Bases, these American-made valves are famous for providing a lush, musical response in high-gain audio circuits and phono preamps.
Each tube has been meticulously tested on our Amplitrex AT1000. Using the Percentage Method, we have compared the measured results against 100% factory specifications for a new 6SL7GT (Ip = 2.3mA / Gm = 1600 µMhos).
| Serial No. | Side | Param Ip | Result Ip | % Ip | Param Gm | Result Gm | % Gm |
|---|---|---|---|---|---|---|---|
| #2704012 | T1 | 2.3 | 2.5 | 108% | 1600 | 1600 | 100% |
| T2 | 2.3 | 2.7 | 117% | 1600 | 1800 | 112% | |
| #2704013 | T1 | 2.3 | 2.2 | 95% | 1600 | 1500 | 93% |
| T2 | 2.3 | 2.6 | 113% | 1600 | 1700 | 106% |
Note: Custom Duties and Taxes are the Responsibility of the Buyer in their Country
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