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Matched Pair Sylvania 7591A Coin Base Power Vacuum Tubes Hickok Tested NOS 🎸
Matched Pair Sylvania 7591A Coin Base Power Vacuum Tubes Hickok Tested NOS 🎸
Matched Pair Sylvania 7591A Coin Base Power Vacuum Tubes Hickok Tested NOS 🎸
Matched Pair Sylvania 7591A Coin Base Power Vacuum Tubes Hickok Tested NOS 🎸
Matched Pair Sylvania 7591A Coin Base Power Vacuum Tubes Hickok Tested NOS 🎸
Matched Pair Sylvania 7591A Coin Base Power Vacuum Tubes Hickok Tested NOS 🎸
Matched Pair Sylvania 7591A Coin Base Power Vacuum Tubes Hickok Tested NOS 🎸
Matched Pair Sylvania 7591A Coin Base Power Vacuum Tubes Hickok Tested NOS 🎸
Matched Pair Sylvania 7591A Coin Base Power Vacuum Tubes Hickok Tested NOS 🎸

Matched Pair Sylvania 7591A Coin Base Power Vacuum Tubes Hickok Tested NOS 🎸

$ 73.92

  • Brand: SYLVANIA
  • Model: 7591A
  • Type: Vacuum Tube

Description

Matched Pair Sylvania 7591A Coin Base Power Vacuum Tubes Hickok Tested Strong 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: 7500 & 7500 / 5100 (NOS MINIMUM) Gas (Grid Current) Test: Passed Life Test: Passed I recommend all vintage tube pins to be cleaned before usage for best performance Will combine shipping.