Up for sale 1 Matched Pair (2Pcs)
JAN-6C8G VT163
Black Coated Glass
Military Grade
Black Base
Made in USA
New in Gvt Original Box
The Photos are actual Photos of tubes you are buying
Tested Advance Digital Tube Tester Amplitrex AT1000
Sr. No.2395290 : T1=Ip mAdc=3.3 uMhos=1600
T2=Ip mAdc=4.5 uMhos=1700
Sr. No.2395204 : T1=Ip mAdc=3.5 uMhos=1600
T2=Ip mAdc=3.7 uMhos=1700
About the Tube
The TUNG-SOL JAN-6C8G is a high-quality dual triode tube built to U.S. military (JAN) specifications.
Its black-coated glass construction helps reduce microphonics and internal reflections, ensuring stable and low-noise performance.
These tubes are highly regarded for their warm, smooth tone and excellent linearity, making them suitable for both hi-fi amplifiers and vintage audio restorations.
Each piece is carefully tested on an Amplitrex AT1000 tube tester to ensure strong and balanced results across both triode sections.
About the Marking
The “JAN” marking stands for Joint Army-Navy, indicating that the tube was produced under military-grade standards for durability and consistency.
TUNG-SOL JAN tubes are known for their rugged build and long lifespan, often performing beyond the standards of commercial equivalents.













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