Larry, your amp is in good hands. Pardon me we have not been on the forum for a little while. Glad you made it out there to Soundsmith. They are very good and will bring your unit back to optimal condition. What Lloyd said about being careful plugging anything in between the wall and Gryphon units is very astute. Gryphon recently sent out a manifesto on this subject to its distributors to disseminate to its installed base. Go to our site here to read more: https://onahighernote.com/blog/2019...-that-has-an-analogue-amplifier-in-the-chain/.