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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Re: Velocity, Doppler formulas, other forms of FM distortion posted by bdiament on January 12, 2003 at 09:52:59:
Barry, i am glad we were able to sort it out.
I didn't feel condescending, but it might have looked like ! I felt somehow 'mistreated' the same.The resonance frequency of that one spike 'pendulum' can be as low as one wants, at least with high speakers, depending on spring force. But the 'elasticity' (similar to the cup radius in roller bearings) increases from the bottom to the top. It 'sounds' similar in effect, and at least with my spikes and arrangement did not have the slight tendency to sound cuppy or metallic (specially with electronics, with their all metal boxes placed on all metal roller bearing). But as you say: Same direction but less extreme. (But very easy to try)
I have yet to find a situation, where reducing a multi-spike support to a one spike support does not sound considerably better. (It costs less too ;-)Under my wood encapsulated Silver Rock transformer attenuator, it seemed that even only one huge Daruma 4s (about like a fryed egg) had too much metal surface. 3 Daruma 3s sounded better, but one wood sphere or combined with two Daruma 3s for centering was even better to my and others ears.
Did you polish your bearings, and what radius do they have?
I agree that touching the gear directly with the ball sounds better than with the steel sheet provided by Symposium. I also liked the Symposiums better with the cup on top of the ball. It might tame the local resonance of ball on sheet steel better.
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Follow Ups
- Re: Velocity, Doppler formulas, other forms of FM distortion - Arbelos 12:10:17 01/12/03 (1)
- Re: bearings - bdiament 14:41:07 01/12/03 (0)
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