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Turntable feedback rumble problems with new sub

I have a Technics 1200 M3D and KEF LS50s. No issues. I just added a REL T7i and have a runaway feedback rumble problem at high volume. I added Isonoe footers to the table which didn’t do much. Unfortunately the table and speakers sit on a big media cabinet from Design Within Reach which is not ideal.  Not sure what the right next move is.  More turntable isolation, put footers under the cabinet legs, new turntable, new furniture, or new house?
ronribbons
slaw's avatar
slaw
22,328 posts
 
It’s your TT support brother. You need to decouple your TT from all other negative forces.
pratorious
128 posts
 
Remove the speakers from the turntable cabinet and use speaker stands. Or... remove turntable from cabinet and use turntable shelf.
jjss49's avatar
Ag insider logo xs@2x
jjss49
6,612 posts
 
other end solution, at least partially is a phono stage with a subsonic filter - like on the better lehmann phono stages
slaw's avatar
slaw
22,328 posts
 
No! You don't want a bandaid fix.
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