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(1) Tested Unbranded 21GY5 Tube Vintage Beam Power Vacuum Tube
(1) Tested Unbranded 21GY5 Tube Vintage Beam Power Vacuum Tube
(1) Tested Unbranded 21GY5 Tube Vintage Beam Power Vacuum Tube
(1) Tested Unbranded 21GY5 Tube Vintage Beam Power Vacuum Tube

(1) Tested Unbranded 21GY5 Tube Vintage Beam Power Vacuum Tube

$ 5.28

  • Country/Region of Manufacture: United States
  • Seller Notes: “Tested. Please read the entire listing description...”

Description

(1) Tested Unbranded 21GY5 Tube. Manufacturer unknown. Tested on a calibrated Knight KG-600B tube tester with no shorts and no leaks where 50 is minimum pass/good with the following results: Unbranded 21GY5 = 98 ~ Please view all 3 photos ~