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Using Granite under speakers

I am considering using slabs of granite under my Von Schwiekert VR4SR speakers which currently sit on spikes on discs on suspended wood floor. Have been reading that such arrangement as I have now can bleed bass into the floor and reduce bass impact and definition. Any one with experience with using granite like this? And do you then use spikes under the speakers directly onto the granite? How thick does the granite need to be for best effect?
Thanks
Joe
128x128gammajo
inna
7,296 posts
 
You could also try Boston Audio graphite tuneblocks either what they specifically intended for spiked components or their blocks with tangsten ball for electronics. I use the former with excellent results on wooden floor.
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gammajo OP
846 posts
 
Thanks for all the responses. I am also considering Stillponts Ultra's, pricey but sound very effective
inna
7,296 posts
 
Off the thread a little but I suggest you move your speakers more into the room if you can.
gammajo's avatar
gammajo OP
846 posts
 
Inna
Thanks for the tip. I do move them out some when critical listening, but they are front ported and they image pretty well where they are. WSF comes in terms of leaving them out several feet.
inna
7,296 posts
 
I see. Your room is very nice, and I don't just mean in terms of audio.
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