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Knight 400A tube tester
Knight 400A tube tester
This is a working Knight 400A "Tube Checker". It is an emissions type tube tester that also checks shorted elements and filament continuity. The type of tubes it checks are compactrons, nuvistors, novars, 10-pin, octal, loctal, 9-pin and 7-pin minatures.
It includes the original flip chart that slides right into the unit as well as an updated tube chart that contains new listings and corrections to the original chart. Also comes with the original assembly manual. It's a handy little unit for quick tube checks.
Temporary Email: a-chase@dontscrapit.com (Alexandria Chase)
