GEC ATS25 / VT60 / ZA3496
MATCHED PAIR | WW2 MILITARY GRADE | MADE IN GT. BRITAIN
Great Britain
White Ceramic Base
Charcoal Black Plate
Amplitrex Verified
White Ceramic Base
Charcoal Black Plate
Amplitrex Verified
Up for sale is a laboratory-matched pair of vintage GEC ATS25 beam tetrodes. These 1940s WW2 military-grade valves are the premium version of the 807, featuring white ceramic bases and bottom cup getters for superior electrical stability. Preserved in their original GVT boxes, they offer a refined, detailed sound signature highly sought after by audiophiles.
Tested on the Amplitrex AT1000, the results below follow the Percentage Method against original factory specifications (Ip = 72.0 mA / Gm = 6000 µMhos).
| Serial No. | Parameter Ip | Result Ip | % Ip | Parameter Gm | Result Gm | % Gm |
|---|---|---|---|---|---|---|
| 2899030 | 72.0 | 76.0 | 105% | 6000 | 6180 | 103% |
| 2899031 | 72.0 | 68.8 | 95.5% | 6000 | 5700 | 95% |
⚠️ Note: Custom duties and taxes are the responsibility of the buyer in their country.
NOS Audio Tubes — Global Vintage Valve Specialists
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