2 Sylvania 6J7 Vacuum Tubes 1960 ' S Vintage Pentodes For Radios Audio Amplifiers
Item History & Price
Reference Number: Avaluer:45961348 | Country/Region of Manufacture: United States |
Application: Vintage Radios & Audio Amps | Type: 6J7 / Pentode Vacuum Tubes |
Brand: Sylvania |
Hickok TV-7D/U tests read 50 and 53. A reading of 31is the minimum recommended. The 6J7 is a sharp cut-off pentode. It is designed forservice as a biased detector or high-gain audio amplifier.