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I got a Thorens TD 146 MKIV without the wooden frame (just the top platter/subchassis/arm etc...). I plan to set this in a stone frame- my question: Does the player have to be closed from the underside or can I just set it on a frame?
thanks for any help
slarti
Follow Ups:
Hi,
yes just a frame will do - and stone is ok - (there are a number of companies who make stone bases for Gerrards for example).. However, before you try stone, do a trial with laminated ply - cheap, and will give a good indication of the sound to come.Owen
Thanks for your help- oh, I know the sound of a TD146 - and I am in the lucky position to get the stone frame from a professional stone-cutter for free- so no cost problems at all (since I got the rest free also- what have I got to loose?)
I'll report back when the TT is ready
happy spinning
slarti
Same as AR Guy, have had better sound on Thorens with the bottom open, but have never tried stone of any kind. However, one recommended tweak for Thorens is replacing the cheesy bottom plate with 3/4"-1" plywood. I tried this on a TD165 and did not like it (many do though). This got me to thinking that the sound of such a bottom may be dependent on what platform the table rests on. I use extremely light weight Neaunce shelving supported by upturned spikes and noticed that many are using heavy platforms/shelves made from cement, stone, heavy wood such as Maple, etc.. Just to say that there is more to consider than the TT base itself. Think Kenwood or Pioneer made a stone base TT @ one time (their top of the line) and wonder if it might turn up on a search of the forum?
I believe the official Chadwick Thorens modifications suggest replacing the existing bottom plate 1/2" baltic birch plywood but I have heard people say it works even better with a large hole in the middle of it. I came across a Kenwood table refered to as the rock a couple years ago with some sort of stone bease. Decent sounding table but I don't think it was a suspension design.
There was a series all beginning with 6xx with an aggregate base. No suspension. Great base, poor arm except for adjustable VTA while playing. Too much play in the bearing.
Gave the lie to those who don't believe VTA makes a difference. Huge difference.
It was 1978 and what a system:Kenwood KD-650 with Ortofon cartridge, Harmon Kardon pre, Bedini 25/25 amp and Bose 901 III speakers. In a dedicated basement room, 12X30. What music! Telarc had just released the Holst/Handel and I had season tickets to Severance Hall.
My experinece with wooden turntable bases and suspension designs is that they are are generally better without the bottom piece. Now I am not sure if this has to do with the traditionally flimsy material they use for the stock bottoms or if it is some kind of loading much like listening with the dust cover closed. Also who knows what stone will do to the whole equation but having no bottom sure makes them easier to service.
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