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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

RE: Sheesham / Indian Rosewood Platform

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"... there's plenty of room to place a set of footers both above and below the platform. And as to this, it makes substantial difference when carefully-considered footers are used with the board.

I had to diagram this out on a piece of paper! Is this correct (minus the adhesive)?

Component
Inverted BDR cones
Carbon fiber discs
Dot
Sheesham platform
Carbon fiber discs
Anti-skid pads
MDF shelf"

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Duster: Yes, that is correct.
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"I note that you're using three disc/inverted-cone footers under your pre-amp, and four discs under the platform."

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Duster: Yes, the set of three Carbon Fiber Discs with inverted BDR Cones form a tripod which is the optimum configuration for cones.
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"After the proverbial knuckle-test, which produced a quite musical tonality with a strong initial attack and subtle level of sustain, I knew it was a keeper ...

This seems to represent a very different approach than "the-deader-the-better" approach of seeking out really dense and inert shelf and platform materials. I've read a bit about "sonorous tonewoods," and I'm curious. I note your following comment: "When the Sheesham board is allowed to resonate without dampening its natural-sounding sonic characteristics, it helps present assertive dynamics and a full-bodied tonality without stepping on more subtle listening cues."

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Duster: After many experiments, I find an acoustically dead platform to sound very dull and lifeless. It's total overkill and pointless, to my ear.
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"BTW, a two-piece audio component can benefit from different vibration control footers and platform approaches under each piece for fine tuning that's considered better optimized to one's ear.

I think that this is an excellent observation -- and goes to an issue that's been on my mind as I consider how to deal with my phono pre-amp separates. While both the power supply and main amplification units are entirely tube-based, it strikes me that they may benefit from much different vibration-control approaches. It sounds like you may be in a similar boat with your pre-amp.

So the particular board is for placement under the preamplifier unit.

As opposed to the power supply ... because?"

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Duster: After experimenting with different configurations, I found a 3/4" laminated bamboo board to sound best when placed under the external power supply, but when a 3/4" laminated bamboo board was placed under the preamplifier unit, the presentation sounded very lean and lacked musical dynamics, while a more pleasant sounding 3/4" Acacia tonewood board was a substantially better option for the preamplifier unit. The 1" Sheesham tonewood board outperforms the Acacia board, with a fuller-bodied tonality and improved dynamics.
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"Notice the rubber gripper pads at each corner on the bottom of the board.

They look like a disaster from a vibration-control standpoint! Does that mean I'm finally starting to catch on? ;)"

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Duster: Perhaps you are. Some folks might assume ordinary rubber doesn't have a sonic signature and/or a detrimental effect vs. an audiophile design, but they should experiment before they pass judgement on matters such as this.
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  • RE: Sheesham / Indian Rosewood Platform - Duster 12:16:38 02/03/17 (0)

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