-40%
Sylvania 6S4A Black Plate Amplifier TV Triode Audio Vacuum Tube Tested NOS £
Sylvania 6S4A Black Plate Amplifier TV Triode Audio Vacuum Tube Tested NOS £
Sylvania 6S4A Black Plate Amplifier TV Triode Audio Vacuum Tube Tested NOS £
Sylvania 6S4A Black Plate Amplifier TV Triode Audio Vacuum Tube Tested NOS £
Sylvania 6S4A Black Plate Amplifier TV Triode Audio Vacuum Tube Tested NOS £
Sylvania 6S4A Black Plate Amplifier TV Triode Audio Vacuum Tube Tested NOS £
Sylvania 6S4A Black Plate Amplifier TV Triode Audio Vacuum Tube Tested NOS £
Sylvania 6S4A Black Plate Amplifier TV Triode Audio Vacuum Tube Tested NOS £

Sylvania 6S4A Black Plate Amplifier TV Triode Audio Vacuum Tube Tested NOS £

$ 6.34

  • Brand: SYLVANIA
  • Country/Region of Manufacture: USA
  • Model: 6S4A
  • Type: 6S4A
  • UPC: Does not apply
  • gtin13: Does not apply

Description

Sylvania 6S4A Black Plate Amplifier TV Triode Audio Vacuum Tube Tested NOS. Tested per user manual procedures on recently calibrated Hickok 6000A. Test results will vary between tester models. Passed all tests: Filament Continuity Test: Passed Shorts Test: Passed Quality Test: Passed Mutual Conductance Test: 4150/4150 (NOS MINIMUM) Gas (Grid Current) Test: Passed Life Test: Passed