Not according to their website, but why don't you ask them?
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They will get back to you soon.
The GM70s are some of the best amps I've ever heard in my life. Have you noticed how many times they win 'best sound in show' awards?
No, don't own them, but if I had speakers that needed 50W I would.
When I have communicated with them in the past, both George and Kara were very responsive. It is a small company and perhaps they're both out of town or something.