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Post by MikeMusic on Oct 9, 2014 14:16:01 GMT
Torlyte om Mana should be interesting
Mix in some RDC cones and or Black Ravioli and or Stillpoints ....
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Post by DarrenHW on Jan 25, 2015 9:49:00 GMT
Excellent post! My interest in reading this was to further investigate timber properties in relation to TT plinth construction and offers insight as to why timbers such as Maple, Beech and Birch are favored. The fact that they are commonly used and my experience with working with them has them on my "to try" list, although a little disappointing to see Walnut (a timber I have never worked with) on the "Ring Porous" list. The mention of flecks/rays in the timber would also lead me to the conclusion that fleck/ray size would be a good indication of whether a timber would have Ring or Diffused pours?
From my modest experience I too dislike the use of MDF in racks/shelving and completely agree with Sov's findings that it sucks a lot of the life out of the music. Initially I had MDF between my Mana rack and reference top, replacing this with Oak (3 jointed boards, approximately 19mm thick, straight cut) made a major improvement to both my TT and BDP/CDP. I've never had an original Mana shelf to compare to the Oak but if you have a suitably sized piece of Oak Mike, I highly recommend you give it a go!.
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Post by Sovereign on Jan 25, 2015 11:25:28 GMT
Have one Torlyte platform I must try Mike did you ever try the Torlyte platform you mentioned ?
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Post by MikeMusic on Jan 25, 2015 12:31:50 GMT
Never did. Must get around to that Possibly today, certainly when the S1NXs arrive
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Post by Mr Whippy on Jan 30, 2015 21:42:37 GMT
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Post by Deleted on May 2, 2015 22:46:43 GMT
I had not seen this thread before and I find it facinating, thanks for posting the info Chris. When I joined JVC I was going through old research that had been done before my time, especially stuff from the early to mid 70s (I joined, initially as technical liaison officer in78) there was quite a lot of info about this and the conclusion, that led to several ranges of top end speakers, mainly marketed in the USA and Japan, was that Douglas Fir ply and in some cases solid timber front baffles. The reason was that it was the best for self deadening.
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Post by ChrisB on May 2, 2015 23:29:09 GMT
Now that is interesting, thanks Paul. I'd guess this would be ply constructed from US or Canadian grown trees as it is relatively slow growing in its native range. The Douglas that is planted and harvested in the UK is generally pretty quickly grown and therefore not particularly dense.
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Post by Deleted on May 3, 2015 9:55:54 GMT
I'm not sure density is the whole story Chris, after all if you think of Torlyte and the 12mm ply used in BBC designs. It certsinly is not the case, possibly more about internal structure
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Post by ChrisB on May 3, 2015 10:03:55 GMT
I was actually thinking more about the process of making plywood sheets from it. I think it might be tricky with a fast grown softwood like Douglas. Could be wrong though.
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Post by Deleted on May 3, 2015 12:47:52 GMT
A friend of mine swears by Marine Ply as the best turntable support.
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