400A upgraded to e/stasis circuit by Threshold.Has stopped working, I can still send it to the New Threshold Co.now located in Texas or do I send it to Jon Soderberg? Any thoughts or suggestions would be most helpful. Thank you.
Jon is an X Threshold tech who worked at Threshold for years. He knows the Threshold vintage amps extremely well and if you want it back to factory specs and sound I would call him.
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