TUNG-SOL JAN 5998/6AS7G – 1 PC
GRADE: GOLD SERIES | LABORATORY VERIFIED NOS MILITARY SPEC
Genuine Tung-Sol (USA)
Joint Army-Navy (JAN 5998)
Black Plates
Double D Getter
New in White Box
Amplitrex AT1000 Tested
Joint Army-Navy (JAN 5998)
Black Plates
Double D Getter
New in White Box
Amplitrex AT1000 Tested
Up for sale is a single vintage Tung-Sol 6AS7G / JAN 5998 dual power triode tube, brand new in a white box. Made in the U.S.A., this legendary audiophile-grade power tube features robust black plates and a sought-after double D getter construction.
As shown in image_12c062.jpg, this tube has been bench-tested on our laboratory-grade Amplitrex AT1000 digital tube testing system. The measured plate current (Ip) and transconductance (Gm) results are calculated against standard factory specifications (100 mA / 5800 uMhos) and detailed in the table below.
| Serial No. / Markings | Tube Section | Plate Current (Ip) | Transconductance (Gm) | ||||
|---|---|---|---|---|---|---|---|
| Factory Spec | Result | % Ip | Factory Spec | Result | % Gm | ||
| Tung-Sol 6AS7G / JAN 5998 SR: 1334001 |
Triode 1 | 100.0 mA | 42.8 mA | 43% | 5800 uMhos | 3390 uMhos | 58% |
| Triode 2 | 100.0 mA | 28.6 mA | 29% | 5800 uMhos | 2490 uMhos | 43% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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