Ed: You can call Mark Burgett and speak to him about it. I don't have the number handy, but you can get his number from Pianodisc. He's the instructor for installing the system, and he lives in the San Diego area (Santee). I spent a few hours at his shop, and I'm just relaying to you all what he said. If you are not able to find his number, call the Piano Exchange (619) 298-5313 and they will give you the number. Paul McCloud, RPT San Diego, CA
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