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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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In Reply to: You nailed it. posted by scott@clpitstop.com on June 2, 2012 at 17:27:11:
Structural feedback has nothing to do with your speakers......that's air-borne feedback.
A suspended concrete slab can be like a stretched membrane (especially pre-stressed suspended slabs which are often used in new construction) and will bounce and flex especially away from supporting walls.
That movement in itself will induce low frequency noise throughout the slab which.....as it's actually moving.....will change in frequency.
This low frequency energy will be transmitted to everything which is in contact with the floor and will vibrate at the resonant frequency of each particular object. Your timber stand is vibrating as we speak....and transmitting this energy into your plinth and platter which you hear picked up via the cartridge under amplification.
Changing your support to a wall-hung shelf may solve the problem if the wall is a supporting wall and not just sitting on the suspended slab.
Otherwise....an isolation base for your turntable (like the Minus K ones) can often do a good job.
Good luck.
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Follow Ups
- RE: You nailed it. - Halcroman 19:50:35 06/02/12 (1)
- fascinating - scott@clpitstop.com 20:24:11 06/02/12 (0)
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