Vintage Sylvania 6bq5 EL84 Audio Tube Very Strong 11,000µmhos 47mA

Description

Sylvania 6bq5 tube
***** Tested on our proprietary tester, the E3444 *****
It's a Triplett 3444 / Westmore 501 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 Falls Church , Virginia. *****
*********************************************************************
Industry Bogey transconductance = 11, 300
µ
mhos
Industry Bogey plate current = 48mA
Results =
11, 000
µ
mhos
~ 47mA
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