Vintage Rca 6CG7 6FQ7 Black Plates Vacuum Tube Balanced Big D Getter

Description

Rca 6CG7 6FQ7 Black Plates Vacuum Tube
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The measurements provided were made on a Triplett 3444 that has been
modified to test tubes in accordance with the original manufacturer’s
stated test conditions, including bogey values.
This includes the use of cathode bias where specified.
This tester was prepared by Paul Hart of Roswell, GA.
Further information is available on request.
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Industry Bogey transconductance  = 2600|2600µmhos
Industry Bogey plate current = 9.0|9.0mA
Results = 2150|2200
µmhos  ~ 6.5/6.7mA
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