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In Reply to: Re-phrasing it, then ---- posted by J.D. on June 15, 2005 at 13:16:20:
Hi Jim,I was going to stay out of this thread, however, since you are thinking of making a birch ply stacked plinth, I would like to add a few points.
The Martin Bastin Plinth is made from about 6 layers of birch plywood - I could give more accurate data if you needed. This is considered to be an excellent plinth amongst Garrard aficionados in the UK. I have one, and I can confirm that it cleans up the somewhat soggy sound of the Garrard, though I am still tinkering with two turntables, so an accurate comparison of the plinths is difficult.
The layers of plywood are glued and bolted together with this plinth, I can’t say if glue alone would work.
I have a contact who might supply plans for a stacked plinth according to the Martin Bastin design.
The Martin Bastin plinth does not eliminate motor noise; I have tried my noisy 301 in three different plinths and the results were more or less the same in all three. I don’t think that any type of plinth would silence this particular turntable. The problem is that the motor is coupled to the platter via the idler wheel, so a noisy motor will result in a noisy turntable. The theories postulated by the ‘experts’ below, that a massive plinth will absorb the motor vibrations are simply not correct on this point.
If you have a somewhat noisy 301 (and remember the noisiness of the motor varies from one model to another) then I think you will either have to accept a certain degree of low level noise as part and parcel of the Garrard experience, or hold out for Mark Kelly’s motor upgrade!
Best regards,
BK
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Follow Ups
- Re: Re-phrasing it, then ---- - bkearns 06/16/0507:55:35 06/16/05 (5)
- Motor update.. - Mark Kelly 20:07:33 06/16/05 (2)
- Re: Motor update.. - bkearns 03:13:29 06/17/05 (1)
- Eddy current drive - Mark Kelly 05:51:22 06/17/05 (0)
- Re: Re-phrasing it, then ---- My Search For Ignorability - J.D. 17:23:34 06/16/05 (1)
- Sounds like your turntable is one of the better ones then. - bkearns 03:23:55 06/17/05 (0)