Up for sale is a laboratory-verified vintage Philips 6V6GT/G vacuum tube. This premium valve features the classic Black Coated Glass and Black Base construction. Renowned for its smooth, musical character and legendary Philips reliability, it is an ideal choice for high-end audio restorations and professional studio gear.

Tested on the Amplitrex AT1000, the results below follow the Percentage Method relative to original factory specifications (Ip = 45.0 mA / Gm = 4100 µMhos). This tube is New Old Stock (NOS) and demonstrates consistent, balanced performance.