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Vintage Tungsram Harman Kardon 12AU7 ECC82 Vacuum Tube 1660/1790 Balanced

$ 15.3

Availability: 100 in stock
  • Type: Vacuum Tube
  • Brand: Tungsram
  • Refund will be given as: Money Back
  • Item must be returned within: 14 Days
  • Return shipping will be paid by: Buyer
  • Restocking Fee: No
  • All returns accepted: Returns Accepted

    Description

    Tungsram Harman Kardon 12AU7 ECC82 Vacuum Tube
    ***** Tested on our new proprietary  tester , the E3444 Triplett.
    It's a Triplett 3444 that has been enhanced.
    This tester uses regulated power sources for the bias, plate, & screen voltages, as well as modified operating & testing procedures.
    Filament voltage is also controlled.
    Tubes are tested in accordance with the manufacturer's specifications; measurements closely align with a laboratory tester built to rigorously measure vacuum tube characteristics.
    Tubes can be accurately matched for gm & plate current at the manufacturer's specified test points or at other specified test points.
    ***** This tester was prepared by Mr. Paul Hart of
    Roswell GA
    *****
    *********************************************************************
    Industry Bogey transconductance = 2200/2200
    µ
    mhos
    Industry Bogey plate current = 10.0/10.0mA
    Results =
    1660/1790
    µ
    mhos  ~  8.0/8.7mA
    Shipping
    USA
    No Additional Shipping Charges
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    THANK YOU
    501
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