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Old 21st March 2008, 06:53 PM   #11
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Join Date: Oct 2005
Location: Lancashire UK
Quote:
Originally posted by Mikewong
harwoodspark,
I am curious to know what`s the greatest diference btw the sprung
linn and your DIY sorbothane decoupled mission in terms of sound qualities?
And right now I am on the way of DIY Linn(having the used linn`s parts except the plinth),and your project gives some ideas in which I
would like to try if the end result is as described.

Complimenti
Thanks Mike.
Maybe I should describe the sound of my Linn first to see if we are of the same opinion.
I fitted my Linn with an OL dc motor kit about six years ago. The bloated upper bass dissapeared and everything seemed more focused. Only a month ago I fitted a new upgraded dc motor and the sound opened up even more and speed stability improved. Instruments and voices could be picked out more easily. However it always seemed grey for want of a better word. My diy tt which is using the first dc motor originally fitted to the Linn suffers non of this greyness. It sounds vibrant and alive. I was listening to a Tracy Chapman lp this afternoon and I was quite surprised by the nice open sound. When a drum was hit hard it sounded like that. High hat sounded good and metallic. Bass is much deeper than on the Linn. You can hear everything going on in the mix. The isolation could be better however. I can still hear a small thump from the speakers when I tap the plinth but it's less than when I tap the top plate. This is with a record playing. If I did that to the Linn, the arm would jump. I couldn't go near the shelf without being careful. I've owned my Linn for many years now and I love it enormously but I'm very surprised that I can lash something together from a few bits of wood and some old tt bits that gives me greater listening pleasure. I think the platter may have a lot to do with it. The Linn's platter rings like a bell whilst the Mission platter is heavier but well damped and has its mass concentrated towards its outer edge. I'm using the same SRM Tech rubber mat that I used on the Linn. Also I'm using a modified Grace arm instead of the Ittok.

Si.
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Old 22nd March 2008, 12:18 AM   #12
bulgin is offline bulgin  South Africa
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Default My diy turntable

Hello Harwoodspark

It's great to see such a standard of workmanship. And the Hadcock 'shell looks as if it's made for the Grace. I have a Grace G-727 Gyro Master, also in black and in looks, very similar to yours.

Cheers

bulgin
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Old 22nd March 2008, 03:44 AM   #13
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Thanks Bulgin.
I'm not brill at woodwork, but I can do a reasonable job. Some of the tt's I've seen on here are stunning but I don't have the facilities to do things like that so I opted for the more trad approach. I have learned to accept my limitations and work within those boundaries. I have recently bought a lathe in rather poor condition but I shall fix it up soon and a bandsaw which is rather better. With these I can maybe push those boundaries out some more.

Si.
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Old 28th March 2008, 09:14 AM   #14
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Hello,

thanks to all for these infos.

Cordially

Pascal
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Old 31st March 2008, 04:19 PM   #15
fungle is offline fungle  United Kingdom
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Nice work, well done.
What type of wood is that (pine?) and what size is the wood used (the proportions look good).
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Old 31st March 2008, 08:56 PM   #16
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Glad you like it Fungle. The base measures 350mm x 440mm and is made of 25mm plywood. The sides are softwood so assume pine, 10mm x 70mm finished in teak oil. The two inner sections are mdf and measure 340mm 430mm. That gives them 5mm clearance on all sides. The motor sits under the platter and that is why the plinth has good dimensions. I'm going to build the same thing in black acrylic shortly so I can compare the difference and see which I prefer. I do like a more traditional looking tt. I've also put the turntable on some ball bearing isolators which have had a very positive effect on the sound of the tt.

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Si.
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Old 31st March 2008, 11:09 PM   #17
fungle is offline fungle  United Kingdom
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Thanks for the info. Keep up the good work.
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Old 1st April 2008, 03:51 AM   #18
240z4u is offline 240z4u  United States
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You guys are great encouragement for me!

I love it.

Evan
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Yeah... it seemed like a good idea at the time.
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Old 27th April 2008, 11:31 AM   #19
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very nice.
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Old 27th April 2008, 01:36 PM   #20
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Thanks for the compliment. I must tidy things up soon. The shelf and the support could do with sorting but I'm too busy listening to music! Just built a nice phono stage too.

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