Cd player isolation

[Fishtails]

Hi people

Just checking what you have found to be the best way to isolate your cd player from floor vibrations.

I am going to try four pieces of fishing line to,hang mine from the shelf. Will post photos and results:)

[kelvinMunson]

I don't think taught fishing line will provide much isolation from vibration; isn't it similar to a guitar string ?

[Fishtails]

Hi
Yeah but a guitar string is plucked directly.

Worth a try:)

[Tedrick]

I use sorbothane hemispheres under my SACD player. Seem to work pretty good. I also like the Tenderfeet from Herbie's Audio Lab (http://herbiesaudiolab.net/compfeet.htm).

[RED_One]

fishing line will work but it will transfer some vibration on a narrower frequency

fishing line on heavy duty rubber bands fixed at head of shelf would be better again (I'm talking cross section of bands around 3mm + diam)

personally I don't see much point in isolating a cd player - but I suppose it depends on how much vibration there is & what the source is.

[awkwardbydesign]

Hi people

Just checking what you have found to be the best way to isolate your cd player from floor vibrations.

I am going to try four pieces of fishing line to,hang mine from the shelf. Will post photos and results:)

I found cotton (shoelaces) worked well hanging mid/treble speaker cabs above the bass cab. I hear bungees are quite good. Or snoopy-loops, apparently that's what divers call inner tubes cut up into ties.
As to whether a CD player needs isolation, I have heard improvements, so go for it.

[Alec124c41]

I have a CD player that skips worse than a turntable, if you step too heavily on the floor. Someday, I will give it more isolation, but it doesn't see that much useage.

Cheers,
Alec

[Zebbo]

What's a CD player?

[sunderwood]

Vibrapods will help isolate it. They don't cost much, either.

[Fishtails]

Yes i have found the furniture it sits on too be just as important as a turmtable. Especially since i have old timber floorboards.

[Ldg]

Many moons ago I successfully suspended a TT from a ceiling beam using thin wire, to solve a chronic problem with feedback via a suspended floor.

But CD players.......apart from Alec's point re skipping, how more accurate can the data be than exact ? Presumably data gets buffered and reclocked before the DAC anyway, so is there even a benefit to be had ?

[Eoin]

Many moons ago I successfully suspended a TT from a ceiling beam using thin wire, to solve a chronic problem with feedback via a suspended floor.

But CD players.......apart from Alec's point re skipping, how more accurate can the data be than exact ? Presumably data gets buffered and reclocked before the DAC anyway, so is there even a benefit to be had ?

Some expensive decks do, but a very small proportion. Most just send the data straight off to the dac after the decoding or the reed-Solomon parity error correction stuff. My Meridian 596 DVD/CD does buffer it and reclock.

You'd think it would be trivial to buffer and reclock but it doesn't seem to be done

[Mark E Smith's Dentist]

I've messed around with CD player isolation for a good number of years now and feel that it's actually more important to drain vibration away from it rather than isolate it from the outside world. To that end I've not been over impressed with sandboxes, inner tube related things or sorbothane.

Best cheap tweak I know is pumice stone - three of those little pear shaped things for your feet.

Best isolation tweak I've heard - by miles - is a device made from three layers of phenolic resin with hard alloy concavities and ceramic bearings captive in the alloy dishes. It allows the player to gently wobble for about 5-7 seconds after you push it.





JT

[Ldg]

You'd think it would be trivial to buffer and reclock but it doesn't seem to be done

Hmmmm. But they all must to an extent, because PCM data is stored in sectors with gaps, headers and check data between to be stripped out. Content isn't stored as a continuous data stream, it needs unpacking and assembling. I don't get at all why the transport would be vibration sensitive assuming it can actually read the sectors. And if not, it's just a go-around to get it next time, or correct it via ECC. Surely it either gets the data assembled exactly or not.......and once the data is exact the electronics isn't going to be vibration sensitive.........