Rare NOS Matched pair Sylvania 6SN7GT (VT-231) wartime Valves/Vacuum Tubes - AVO Tested very strong.  Two hole bad boy, twin triodes, some of the best sounding wartime valves with a buttery midrange.  Some of the strongest I've tested in beautiful condition, strong lettering, with little getter flashing, clearly unused.

Tested on a recently calibrated AVO VCM 160 with the following results;       

                         IA       GM
Valve 1:   A1   12.9      3.2                
                A2   12.6      3.2
Valve 2:   A1   11.9      3.0                
                A2   11.6      3.0

AVO NOS Specs:  IA = 9.0 GM = 2.9   

No leaks or shorts / gas, solid bases, shiny pins. eBay seller for over 21 years, buy with confidence - see feedback.  Valves will be shipped next day, carefully packaged, tracked and insured.  Please drop a note with any questions.

Shipping happily combined on multiple items.

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Don't use your amp as a circuit breaker, buy tested valves!


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