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Early 50 ' S Vintage Ge 12ay7 Vacuum Tube Black Plates Balanced




Item History & Price

Information:
Reference Number: Avaluer:51373841Model: 12ay7
Type: Vacuum TubeCountry/Region of Manufacture: United States
Brand: ge
Original Description:
Ge 12ay7 vacuum tube as pictured

Tested on a (1 of 4 MODIFIED/CONVERTED by Paul Hart ~ Roswell GA) Triplett 3444 Tube Tester This tester now tests at Industry standard parameters set by the original Oem tube Mfgs.
Industry Bogey Transconductance = 1750/1750uhmos         Industry Bogey Plate Current = 3.0/3.0mA

                                     ...;         Results = 1360/1280umhos & 2.1/1.9mA
                                                               
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