Sylvania 6F8G (VT99) – Vintage Black Plate / Half-Coated Matched Pair
NOS Matched Pair
Military Grade (VT99)
Half-Coated Glass
Black Base
Military Grade (VT99)
Half-Coated Glass
Black Base
Offering a premium matched pair (2 Pcs) of Sylvania 6F8G / VT99 dual triodes, Serial Nos. 5053016 and 5053020. These high-performance military-grade valves feature the iconic Half-Coated (Grey) Glass and rugged Black Base construction. The 6F8G is often sought after as a high-fidelity alternative to the 6SN7 when used with proper adapters. Both units are New in White Boxes and tested on the Amplitrex AT1000.
- Type: 6F8G / VT99 Brand: Sylvania
- Condition: NOS in White Box Construction: Half-Coated / Black Base
- Origin: USA Testing: Amplitrex AT1000
| Sr. No. | Test Triode | Parameter Ip (mAdc) | Result Ip (mAdc) | % Ip (mAdc) | Parameter Gm (uMhos) | Result Gm (uMhos) | %Gm (uMhos) |
|---|---|---|---|---|---|---|---|
| 5053016 | T1 | 9.0 | 10.0 | 111.1% | 2600 | 3000 | 115.4% |
| T2 | 9.0 | 10.2 | 113.3% | 2600 | 3000 | 115.4% | |
| 5053020 | T1 | 9.0 | 10.6 | 117.8% | 2600 | 3000 | 115.4% |
| T2 | 9.0 | 10.0 | 111.1% | 2600 | 3000 | 115.4% |
Note: Custom duties and taxes are the sole responsibility of the buyer in their respective country.
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