TUNG-SOL 6SL7GT – SINGLE (1 PC)
GRADE: GOLD SERIES | VINTAGE USA MANUFACTURE
Tung-Sol Vintage Dual Triode
6SL7GT Specification
Black Plate
Top Ring Getter
Black Base
New in White Box
Amplitrex AT1000 Tested
Up for sale is a single (1 Pc) prime vintage NOS Tung-Sol 6SL7GT high-mu dual triode audio tube, packed in a white box. Manufactured in the USA, this highly sought-after tube features classic black plate construction, a top ring getter, a smooth black base, and heavy-duty internal structure. Revered by audiophiles and custom amplifier builders for its incredibly linear response, warm mid-range, deep bass, and overall musicality in preamplifiers and driver stages.
This tube has been tested on an Amplitrex AT1000 automated valve tester at nominal reference settings. Plate Current (Ip) and Transconductance (uMhos) measurements alongside percentage performance ratings relative to standard factory specs are detailed in the table below.
| Serial No. | Tube Section | Plate Current (Ip) | Transconductance (uMhos) | ||||
|---|---|---|---|---|---|---|---|
| Ref Spec | Result | % Ip | Ref Spec | Result | % Gm | ||
| SR.NO. 4859001 | Triode 1 | 2.3 mA | 1.9 mA | 83% | 1600 uMhos | 1300 uMhos | 81% |
| Triode 2 | 2.3 mA | 1.8 mA | 78% | 1600 uMhos | 1200 uMhos | 75% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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