Yes,I have heard of it.Call or email:Melos audio Restorations at (702)248-6745 or Fax:(702)248-7267.Ask for Brant or Willard.Email Address:melosaudio.com or melosaudio@aol.com.They should be able to help you out.I had them service & upgrade my MA333R pre-amp.They are really nice guys and do a pretty quick turn around at that as well.Good Luck! & If your needing a pre-amp & a seperate power supply"Class-A" I have one for sale.Enjoy the Music.Ca Ya, Dean.
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