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56 RCA Cunningham Audio Receiver Vacuum Tubes Tested Pair
56 RCA Cunningham Audio Receiver Vacuum Tubes Tested Pair
56 RCA Cunningham Audio Receiver Vacuum Tubes Tested Pair
56 RCA Cunningham Audio Receiver Vacuum Tubes Tested Pair
56 RCA Cunningham Audio Receiver Vacuum Tubes Tested Pair

56 RCA Cunningham Audio Receiver Vacuum Tubes Tested Pair

$ 13.73

  • Brand: RCA
  • Country/Region of Manufacture: United States
  • MPN: Does Not Apply
  • Model: 56
  • Type: Power Vacuum Tube
  • UPC: Does not apply
  • gtin13: Does not apply

Description

Tested Pair of 56 RCA Cunningham Audio Receiver Vacuum Tubes Made in the USA Black plates, two spacers, dimpled foil getter frames, side getter flashes and UY 5 Pin engraved bases Please review the photos for more detail Excellent test results for Gm: 1.1 and .95 For Gm, .71 is the suggested minimum value No shorts For reference we used a calibrated Triplett 3444A Tester Estimated delivery within the USA is from 3 to 7 business days Our standard shipping is US Postal 1 st class We combine shipping when applicable