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CV494 GM tube


Size This valve measures 93x34mm overall, 16mm across the tubular section.

Information about this GM tube is needed. The markings suggest an operational voltage of 1120V. It has the serial number ZB669 and the CF code suggests it was manufactured by 20th Century Electronics, New Addington.

Quarter view

This file was last modified 14:00:34, Wednesday April 06, 2022