GEC CV6 / 6SN7 — NOS Matched Pair
Black Round Crimped Plate
Military Grade
Inverted Round Cup Getter
Octagon Mica
Military Grade
Inverted Round Cup Getter
Octagon Mica
The GEC CV6 is a robust military-grade triode, manufactured in the 1940s during WWII. It is equivalent to the 6J5 and represents “half of a 6SN7GT”. This matched pair features the rare Black Round Crimped Plate construction with Octagon Mica, Round Wire, and Inverted Round Cup Getters. When used with a converter adapter, two CV6 tubes function as a single 6SN7GT.
- Type: CV6 / 6SN7
- Brand: GEC (Military Grade)
- Condition: New in White Box
- Construction: Black Round Crimped Plate / Round Wire
- Getter: Inverted Round Cup
- Testing: Amplitrex AT1000
Technical Note: Built to rigorous military specs (2C22 / 7193 / DET20 equivalent).
Sonic Signature: Known for incredible transparency and a clean, linear response.
Video Demonstration: These actual tubes being tested on the Amplitrex AT1000: Watch Here.
NOTE: This listing is for the tubes ONLY (No Adapter included).
Matching Grade: Precision matched pair with excellent emission and high gain.
⚠️ Custom duties & taxes are the buyer’s responsibility.
| Sr. No. | Test Triode | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | % Gm |
|---|---|---|---|---|---|---|---|
| 2961155 | T1 | 9.0 | 8.6 | 95.6% | 2600 | 2700 | 103.8% |
| 2961140 | T1 | 9.0 | 7.2 | 80.0% | 2600 | 2700 | 103.8% |
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