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.
I've had two Threshold pieces done by Jon Soderberg of Vintage Amp Repair. Excellent work, knowledgeable, prompt, polite, easy to work with, willing to follow up, A+. http://www.vintageamprepair.net/
If you are anywhere near Toronto, Canada there is a fellow Dan Santoni who does tremendous work. Has worked on my Thresholds, only person I trust. DTS Audio,
Jon worked on my Threshold 400a. He was as mentioned by others, knowledgeable, courteous, and very prompt. I would not send my Threshold anywhere else.
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