Trio (x3) matched Electro-Harmonix KT88 / 6550 Valves/Vacuum Tubes - AVO Tested strong.  Matching date codes, one with missing guide pin.  This is has no sonic impact, but care must be taken when installing.

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

                        IA       GM
Valve 1:   A1   71.0    8.0                
Valve 2:   A1   69.0    8.0
Valve 3:   A1   65.0    7.5

AVO NOS Specs:  IA = 57.0 GM = 8.0   

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.

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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