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Title: Used 5931 (5U4) Vacuum Tube
Item: [5931-1] $5.00


Title: Used 5931 (5U4) Vacuum Tube
Item: [5931-1] $5.00


Here is a 5931 unknown, but likely made by sylvania
The 5931 is an industrial version of the 5U4 Amplifier Rectifier Tube
This tube is used, but still has some life left in it.
See test results below.

5931, GT, Full-Wave High-Vacuum Rectifier, unknown (Slyvania), Used, emission 60%/60%


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