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Questions about tubes and gear that glows. FAQ

6GU7 draws double the filament current...

…0.6 A versus 0.3 A for a 6922. This is the most potentially problematic parameter for your preamp or DAC, since a higher drawn current will make the transformer run hotter. Damage could occur even if it doesn't catch fire!

The other differences will not cause a malfunction, but only you can decide if a 6GU7 really sounds better in your application.

A good source for tube data is www.duncanamps.com, click on the TDSL (tube data source locator.)


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