-40%
2, RCA Cunningham 71A, engraved base, matching pair, UX-171A, CX-371A eq
2, RCA Cunningham 71A, engraved base, matching pair, UX-171A, CX-371A eq
2, RCA Cunningham 71A, engraved base, matching pair, UX-171A, CX-371A eq
2, RCA Cunningham 71A, engraved base, matching pair, UX-171A, CX-371A eq

2, RCA Cunningham 71A, engraved base, matching pair, UX-171A, CX-371A eq

$ 34.29

Availability: 100 in stock
  • Type: Vacuum Tube
  • All returns accepted: Returns Accepted
  • Refund will be given as: Money Back
  • Restocking Fee: No
  • Custom Bundle: No
  • Item must be returned within: 14 Days
  • Non-Domestic Product: No
  • Brand: RCA
  • Return shipping will be paid by: Buyer
  • Modified Item: No
  • Country of Manufacture: United States
  • MPN: 71A

    Description

    Two, RCA Cunningham 71A tubes, with the shouldered glass envelope. These are of course exact equivalents to the UX171A/UX-171A, CX371A/CX371A, and 171A tubes. Engraved logo bases. Tested on a Hickok TV-3 military tester that has been calibrated. Firm bases, excellent silvering. Tubes are matched for dynamic gain and structure- test at 1600, 1550 where pass/fail is 1080 micromho. The tubes have the same structure inside and out.
    Many other lots of tubes for sale this week.
    Shipping is free within the continental US. Elsewhere- exact postage only, no packing fee.