[78-L] Turntable vibration isolation

[David Palmquist]

Building supply stores sell concrete pavers that might serve.  They 
are between 1 and 2 inches thick, and come in various sizes - 18 x 
24, 24 x 24, 12 x 18, etc.  They can be unfinished concrete, in which 
case you would wrap some nice cloth around it,  or they may be smooth 
concrete in a variety of earth-tone colours.  These are easy to come 
by, and only a fraction of the price of marble, I imagine.

David (in Delta)


At 05:57 2010-08-03, you wrote:
>I think the material you are looking for is Sorbothane.  You can make feet
>from it and rest the turntable on them.  ISTR units with the sorbothane on
>each end of springs that actually supported the TT.     An alternative, as
>someone mentioned is a slab of concrete or marble.  I'll bet one can find a
>marble cheese board or dough rolling board.   The trick is to cut tennis
>balls in half and use the halves as "feet", under the corners of the
>marble/concrete pad, on which you would place the turntable.   The design is
>one I've read about for minimizing vibrations getting to scientific balances
>and microscopes.
>
>Ron L
>
>-----Original Message-----
>From: 78-l-bounces at klickitat.78online.com
>[mailto:78-l-bounces at klickitat.78online.com] On Behalf Of Sammy Jones
>Sent: Monday, August 02, 2010 11:30 PM
>To: 78-l at klickitat.78online.com
>Subject: Re: [78-L] Turntable vibration isolation
>
>Mike Biel wrote:
>
> > We had an Audiophool join over at the ARSC-List last week, and I bet he
> > could recommend some turntable isolation feet that would run a couple
> > of
> > hundred bucks.
>
>I tried a $500 power cord, but I still get vibrations!
>
>I was around for that discussion, but kept my head down.  Seriously though,
>I'm not interested in "improving the soundstage" or anything like that, but
>are the products on Nauck's, KAB, or Esoteric Sound likely to help my
>particular problem?  Somebody recommended concrete or marble slabs to me
>off-list, but I'm not sure that's practical in my apartment.
>
> > If we did that in my daughter's 4th floor Brooklyn apartment the
> > turntable would be dancing a jig every ten minutes when the subway
> > rumbled by under her building.  It's amazing how the frame of her
> > building transmits the vibration.
>
>The ceiling above me is just as creaky.  I routinely hear the upstairs
>neighbors coming in from the bar at 2 AM, getting up for a midnight snack,
>etc.
>
>I'm in Atlanta, so no subway to worry about, though I do hear a freight
>train off in the distance sometimes!
>
>Sammy "Treading Lightly" Jones
>
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