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#531 |
diyAudio Member
Join Date: Jan 2013
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Sad to say I have no information about this tonearm. I have had a search on Ebay for about 10-12 years and one has never come up. I don't even know if it has a model number. I had it playing tonight and it plays very nice.
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#532 | |
diyAudio Member
Join Date: Nov 2005
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Thanks again! |
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#535 |
diyAudio Member
Join Date: Jan 2013
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I am glad that some of you have enjoyed seeing this turntable. I have owned it for about 25 years and it always gets a lot of comments when it is seen by someone who appreciates turntables. I have owned many turntables over the years but this one remains a favorite. I think it looks better in person and it really does work and sound good.
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#536 | |
diyAudio Member
Join Date: Nov 2005
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I posted this before about this hypothetical design that the vertical bearing does NOT pivot. It's "pistonic" and it moves up and down without changing tracking or raking angle. It's like a linear bearing for vertical movement. I wonder if we use miniature linear bearing for the vertical plane, the horizontal mass can be significantly reduced and we can then use another set of linear bearings for horizontal movement or a use pivot bearing. The advantage of vertical linear bearing is that gravity doing the tracking force and use a string or spring to push or pull up the headshell assembly as a counter-weight. On a tangential pivot arm, the armwand only has to move horizontally sort of like the Dynavector arm.
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An externally hosted image should be here but it no longer works. Please upload images instead of linking to them to prevent this.
I know the "teeter-totter" effect was something objected by the late Bo Hansson, designer of the Opus 3 Cantus linear tracking tonearm, hence the lack of pivot point for the vertical movement in the design. The manufacture has since deleted the page so I guess they aborted the project due to either technical difficulties or too expensive as an investment. It sure gave me food for thoughts though. Whaddaya think? . |
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#537 |
diyAudio Member
Join Date: Nov 2005
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#538 | |
diyAudio Member
Join Date: Nov 2009
Location: Gwynedd North Wales
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Cheers Steve
__________________
steve if it ain't broke, I ain't fixed it |
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#539 | ||
diyAudio Member
Join Date: Nov 2005
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For a dual-wand design, using two unipivots at the base is the simplest and most effective solution, to me at least. The creativity and design ingenuity is in the headshell pivots, which is another topic on its own. While I love the look and design of the Thales Simplicity design, I would still prefer one main rod that has majority of the mass and one smaller rod for guiding. The equal mass armwands design of the Simplicity or Van Eps arm is too technically difficult to materialize in a DIY project. To simplify simplicity is not so simple after all. ![]() . |
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#540 |
diyAudio Member
Join Date: May 2001
Location: Norway, -north of the moral circle..
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Alarm clock type adjustable jewel bearings?
__________________
While the Lie leapt from Bagdad to Constantinopel, the Truth was still looking for it's sandals! |
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