Rare GEC ECC83 / B339 / 12AX7, Halo getter Valve/Vacuum Tube - AVO Tested strong & balanced.

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

                         IA      GM
Valve 1:   A1   1.1     1.7                
                A2   1.1     1.7

AVO NOS Specs:  IA = 1.2 GM = 1.6   

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

Shipping happily combined on multiple items.

For overseas purchases, please message for a shipping quote before purchasing.

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


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