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NOS NIB new matched pair black plate 12AZ7A vacuum tubes replace 5751 12ax7

NOS NIB new matched pair black plate 12AZ7A vacuum tubes replace 5751 12ax7

$ 7.91

Availability: 100 in stock
  • Brand: Sylvania
  • Return shipping will be paid by: Seller
  • Restocking Fee: 20%
  • Refund will be given as: Money Back
  • Item must be returned within: 30 Days
  • All returns accepted: Returns Accepted
  • Type: black plate 12AZ7A

    Description

    For sale are NOS NIB new matched pairs Sylvania black plate 12AZ7A vacuum tubes, a plug in sub for 12AT7 5751 and 12AX7.  Those have gain of
    70 80 and 100 respectively.  But 12AT7s almost always have wedge shaped plates, and 12AX7s symmetric plates, so these might actually be
    5751's that they labeled 12AZ7A.  Price is .99/pair.  Test new and close on our calibrated Jackson 648A tester.