Turntable Rack Mounted to Foundation

Hi Kel,

Coupling your rack (and components) to the floor - which is one of the main SOURCES of unwanted vibration - will allow that destructive energy to have a direct path into the component. This will alter the signal flowing through the component and make it impossible to faithfully reproduce the sound of the original musical instrument as it has been captured in the recording. Using any rigid foot or a slab of rigid materail will couple to the floor which is the opposite of isolation.

I would suggest that you decouple your stand and/or components from the floor-borne vibration as well as providing methods to address air-borne and internally generated vibration.

Best Regards,

Barry Kohan

Disclaimer: I am a manufacturer of vibration control products.

If you have a good solid floor like concrete it will work well.

If you are in a real basement, the "walls" are probably either concrete or concrete block up at least 5 feet or more. In which case you might want to consider mounting a couple of 6 foot long butcher block (maple) shelves on welded steel brackets that are lag-bolted every 2 feet into the wall.

It's not that there's anything wrong with a rack unit sitting on a solid concrete slab floor, except that very few of them are truly rigid, and always require some kind of isolation shelf.

Properly designed and detailed concrete or block Wall-mounted surfaces can't move -- period.

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