-40%
Vintage Slyvania Black Plate Vacuum Tube 5U4GB Tested Solid Good On Hickok £
Vintage Slyvania Black Plate Vacuum Tube 5U4GB Tested Solid Good On Hickok £
Vintage Slyvania Black Plate Vacuum Tube 5U4GB Tested Solid Good On Hickok £
Vintage Slyvania Black Plate Vacuum Tube 5U4GB Tested Solid Good On Hickok £
Vintage Slyvania Black Plate Vacuum Tube 5U4GB Tested Solid Good On Hickok £
Vintage Slyvania Black Plate Vacuum Tube 5U4GB Tested Solid Good On Hickok £
Vintage Slyvania Black Plate Vacuum Tube 5U4GB Tested Solid Good On Hickok £
Vintage Slyvania Black Plate Vacuum Tube 5U4GB Tested Solid Good On Hickok £
Vintage Slyvania Black Plate Vacuum Tube 5U4GB Tested Solid Good On Hickok £

Vintage Slyvania Black Plate Vacuum Tube 5U4GB Tested Solid Good On Hickok £

$ 3.96

  • Brand: SYLVANIA
  • Country/Region of Manufacture: United States
  • MPN: 5U4GB
  • Model: 5U4GB
  • Type: Vacuum Tube

Description

Vintage Slyvania Black Plate Vacuum Tube 5U4GB Tested Solid Good On Hickok. Tested per user manual procedures on recently calibrated Hickok 6000A. Passed all tests: Filament Continuity Test: Passed Shorts Test: Passed Quality Test: Passed Mutual Conductance Test: middle of Good range Gas (Grid Current) Test: Passed Life Test: Passed