GE 12AY7 Vacuum Tube 1955 Strong & Balanced




Item History & Price

Information:
Reference Number: Avaluer:29781721Type: Vacuum Tube
Original Description:
GE 12AY7 Vacuum Tube  1955 Strong & 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 manufactu...rer'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  = 1750|1750 µmhos              Industry Bogey plate current =  3.0|3.0mA                                               Results =1600|1470µmhos  ~ 3.0|2.31mA                                                                                                                     🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶🎶USA Shipping $6I have many other types of tubes  ~  No Additional Shipping ChargesAll tubes Guaranteed
♪♪♫♫♫♫   Thank You!   ♫♫♫♫♪♪   

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