Sylvania VT231/JAN 6SN7GT – Black Plate Military Grade
NOS Matched Pair
Military Grade (JAN)
Black Plate Crack Base
Military Grade (JAN)
Black Plate Crack Base
Offering a highly sought-after matched pair (2 Pcs) of Sylvania VT231/JAN 6SN7GT dual triodes, Serial Nos. 167010 and 167031. These premium military-grade valves feature the legendary Black Plate construction and distinct Black Crackle Bases. Known for their exceptional transparency and depth, the VT231 variant is a top-tier choice for high-fidelity audio applications. Both units are New in White Boxes and have been professionally tested on the Amplitrex AT1000.
- Type: VT231 / 6SN7GT Brand: Sylvania JAN
- Condition: New in White Box Construction: Black Plate / Crack Base
- Origin: Made in USA Testing: Amplitrex AT1000
| Sr. No. | Test Triode | Parameter Ip (mAdc) | Result Ip (mAdc) | % Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | % Gm |
|---|---|---|---|---|---|---|---|
| 167010 | T1 | 9.0 | 9.6 | 106.7% | 2600 | 2500 | 96.2% |
| T2 | 9.0 | 8.4 | 93.3% | 2600 | 2500 | 96.2% | |
| 167031 | T1 | 9.0 | 8.6 | 95.6% | 2600 | 2500 | 96.2% |
| T2 | 9.0 | 8.4 | 93.3% | 2600 | 2530 | 97.3% |
✉️ For technical inquiries, please Email us at [email protected]
Whatsapp: +1 (630) 597-3966
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