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Report Review for product Vacuum Tube - 6SL7GT, Sovtek

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I test all the tubes I receive on a tube tracer and both 6SL7GT/6H9C Sovtek tubes were pretty well matched. Surprisingly these were the exact replacement tubes for my Audio Note Soro. Which are Russian 6H9C's. The replacement tubes I received were identical except are marked with Sovtek logo as well as the original 6H9C designation.

Raceworks - December 15th, 2014