(1) Tested National Union 6SF7 Tube Code PN Diode Super Control Pentode Tube
(1) Tested National Union 6SF7 Tube Code PN Diode Super Control Pentode Tube (1) Tested National Union 6SF7 Tube Code PN Diode Super Control Pentode Tube

(1) Tested National Union 6SF7 Tube Code PN Diode Super Control Pentode Tube

USD 8.95 USD
SKU: 9dVyEQPd
Brand: National Union
Condition: Used
Tags: Controller Tube National Union United States
Categories: Vintage Electronics

Specifications

BrandNational Union
Country Of OriginUnited States

(1) Tested National Union 6SF7 Tube. The diode section tests at 1250 where 800 is the minimum pass/good. Date Code PN. We prefer the versatility and precision of Hickok TV-10 military testers and use them almost exclusively except in rare instances when pinout/socket compatibility is not possible.

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