-40%

Vintage Westinghouse 12AX7 ECC83 Vacuum Tube Very Strong & Tightly Balanced

$ 18.48

Availability: 100 in stock
  • All returns accepted: Returns Accepted
  • Refund will be given as: Money back or replacement (buyer's choice)
  • Return shipping will be paid by: Buyer
  • Item must be returned within: 14 Days
  • Restocking Fee: No
  • Type: Vacuum Tube

    Description

    Vintage Westinghouse 12AX7 ECC83 Vacuum Tube Very Strong & Tightly Balanced
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    ***** Tested on our  proprietary  tester , the E3444.
    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  = 1600/1600 µmhos
    Industry Bogey plate current = 1.2/1.2mA
    Results   = 1550/1560µmhos ~ 1.17/1.15mA
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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