2. analog
  3. 127486-67533

Tapping on my table

Searched some threads and did not find an answer specific to my question, so I will try here.  My system is in my basement, which is a concrete slab with wall to wall carpet ( and carpet pad).  My TT is a Music Hall MMF 9.1 which has 3 plinths separated by sorbothane spacers.  The TT sits via its conical feet directly on a Salamander cabinet holding my amp and cd player plus some albums.  Total weight of the cabinet, equipment and albums is at least 150 lbs.  The TT weighs 40 lbs.

I have never experienced any issues with vibration, i.e when walking around while playing an lp.  I had assumed the concrete floor and thick carpet, along with the heft of the cabinet and contents, provided excellent isolation.  However,  this morning I inadvertently tapped the top of the cabinet while listening to an album and there was a very subtle but distinct thump emanating from the speaker.  Clearly the TT is not isolated from the cabinet even if the cabinet is isolating the TT from the floor.

Is there a good inexpensive solution to solve this isolation issue?  I do not want to lose the leveling benefit of the TT's feet - I have some Herbies cones under my cd player, but these would eliminate the leveling capability.
sjtm
ahendler
416 posts
 
I use this
http://www.crutchfield.com/p_927ISOTONE/Auralex-ISO-Tone.html?tp=68326&awkw=134193792265&awa...
Inexpensive and it works
Alan
stringreen's avatar
stringreen
6,468 posts
 
Edensoundaudio.com Talk to them I have never found soft rubber to help my system. (Vibrapods)..just makes it sound tubby. Bearpaws are very heavy/large brass cones -  replacements for the feet on your turntable...they are screwed/height adjustable.
raymonda
855 posts
 
Magnetic feet, airblatter systems, vibraplane or what I use......a home made sand box with about 75lbs of sand. The last option is fairly inexpensive. e.g. less than $50.00.
bdp24's avatar
bdp24
9,788 posts
 
The Townshend Audio Seismic Pods and/or Platform deal with exactly your problem sjtm. Watch the You Tube video in which Max describes and explains their design, and then demonstrates their effectiveness at providing isolation. Three or four of the pods under your table will provide a very high degree of isolation from your cabinet.
geoffkait's avatar
geoffkait
23,365 posts
 

raymonda
Magnetic feet, airblatter systems, vibraplane or what I use......a home made sand box with about 75lbs of sand. The last option is fairly inexpensive. e.g. less than $50.00.

You don’t see sandboxes much these days but they were ubiquitous 25-30 years ago. Good on ya, mate. Bright Star, who later went on to make air bladder stands, made sandboxes for placing on the top of components, too, as well as underneath. I’m high on sandboxes, too, especially when substituting perfectly round pure glass microspheres for the sand, which is kind of gnarly by contrast.

More to discover