Sylvania VT25-10Y — Matched Quad
| MADE IN U.S.A. | BLACK PLATE | BROWN BASE
Sylvania USA
Black Plate
Leaf Getter
Amplitrex Verified
Black Plate
Leaf Getter
Amplitrex Verified
Available is a laboratory-verified matched quad of vintage Sylvania VT25-10Y triodes. These Black Plate valves with Brown Bases were manufactured in the U.S.A. and are preserved in New Old Stock condition. Known for their refined and musical presentation, they are a premier choice for high-end audio restorations.
Each unit has been analyzed on the Amplitrex AT1000. Following the percentage method, the results below indicate performance relative to factory design center specifications (Ip = 10.0 mA / Gm = 1300 µMhos).
| Serial No. | Parameter Ip | Result Ip | % Ip | Parameter Gm | Result Gm | % Gm |
|---|---|---|---|---|---|---|
| 373080 | 10.0 | 10.0 | 100% | 1300 | 1400 | 107.7% |
| 373066 | 10.0 | 10.0 | 100% | 1300 | 1500 | 115.4% |
| 373081 | 10.0 | 10.0 | 100% | 1300 | 1400 | 107.7% |
| 373044 | 10.0 | 10.0 | 100% | 1300 | 1400 | 107.7% |
⚠️ Note: Custom duties and taxes are the responsibility of the buyer in their country.
NOTE:- We have more than 70 quantities.
NOS Audio Tubes — Vintage Hi-Fi Specialists
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