05-12-2013, 01:32 AM
I had a similar vibration problem on my 48-1253. By mid volume, the vibration was very noticeable. It turned out there were some teeny tiny little round moth holes in the speaker cone. Once I sealed those up with liquid tape, the vibration stopped. Not saying that's the case with Ronin61's set, though.
Greg V.
West Bend, WI
Member WARCI.org