Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

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My rule #1 on TT - don't put it on the same rack with other equipment. (long)

Posted by cheap-Jack (M) on June 13, 2007 at 09:15:36

In Reply to: Is my rack a threat to my TT? posted by StephenGR12 on June 12, 2007 at 22:18:47:

Hi.

For the sake of yr kids, the only ideal solution is to hang yr TT on the wall with a properly rigid-built wall shelf. This will put it out of reach of your kids & physically it is detached from your other audio stuff. Make a search in the Vinly asylum on wall-mounting TT for details as already suggested to you below.

Never put your TT on glass! The peaking resonance of the glass pane acting on the motor/platter rotation can only kill your music.

A turntable works on rotation of the platter driven by its motor.
Care must be taken to isolate any rotation vibrations to other static audio gears & vise vera from other motor-driven componetns, e.g. another turntable, tape decks & CD/DVD players.

So it is crucial to eliminate or reduce such undesired vibration back & forth, plus the very likely acoustical vibrations due to the direct & reflected soundwaves from your loudapeakers, footdrops in case it is a suspended wooden floor, etc etc.

Here what I've done for my Thorens 125II:-

It is not a very ideal solution (ideally it should be a completely isolation - hanging in the air), but at least I can get around it without spending really money - I DIYed it.

This is a triple acoustical decoupling plus heavy mass DIY system;-

(1) the massive turntable on its orginal stock wooden plinth is rested on four copper alloy acoutical tip-toes with their tips pointed up dead centred in line with its four rubber cushion legs.

(2) the four tip-toes sit on a 3/4" plywood board, which is placed on two vertically placed identical hollow concrete blocks (I 'borrowed' them for good from a neighbourhood building worksite) via four big rubber cushion legs. So the TT is now placed via two decouling devices on a very massive platform built with two concrete blocks which easily weigh over 100lbs !

(3) the massive TT support platform is seated on the wall-to-wall carpetted concrete slab floor on my basement, via three-in-a-set strong steel spikes enchored into the base of each concrete block.

Needless to say, the TT on its platform stands alone, some 2 inches detached from my audio rack I DIY modify-built from a hard hard solid wood table set. The wood used to build the table set is so hard that it broke three drill bits while I was modifying it.

IMO, mass & decoupling does the trick.

c-J

PS: of course, I got no kids to worry about. Both of them are already grown-up adults.

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