SYLVANIA JAN 6080WB METAL BASE – 1 PC
GRADE: GOLD SERIES | LABORATORY VERIFIED NOS MILITARY SPEC
Joint Army-Navy (JAN) Spec
Ultra-Duty Metal Base
Triple Mica Construction
Black Plates
Ring Getter
Date Packed: 9-69
New in Original US Gov’t Box
Amplitrex AT1000 Tested
Up for sale is a single vintage Sylvania JAN 6080WB dual power triode valve, brand new in its original US Government military box (Contract No. DSA900-69-C5651, Date Packed 9-69). Made in the USA, this high-reliability military tube features a rugged metal base, low-microphonic triple mica construction, deep black plates, and a top ring getter.
As shown in image_e062d8.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 | ||
| Sylvania 6080WB SR: 1602001 | Pack: 9-69 |
Triode 1 | 100.0 mA | 53.8 mA | 54% | 5800 uMhos | 4140 uMhos | 71% |
| Triode 2 | 100.0 mA | 90.6 mA | 91% | 5800 uMhos | 4860 uMhos | 84% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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