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I'm wondering if anyone has had the opportunity to compare these platforms or can speak on these platforms individually. I'm only interested in experiences or thoughts on the newer Townshend 3D Seismic Sink and the Vibraplane (I'm not personally interested in DIY versions made from used water bottles, chestnuts and chewing gum.). The model I would need of the Townshend, the 3D HD (heavy duty), retails for $900 (it cost just $600 a couple of years ago!) while the Vibraplane retails for about $1600 (same as a couple of years ago!). I need the version made for turntables as opposed to the Kinetic Systems large ones that are used in the science lab.thanks,
Jeff
Follow Ups:
Jeff.... I believe you will find the biggest difference between the two units you are considering is the way they dissipates the energy from the vibration's (frequency) they capture.Once you have captured the vibration, its energy must be dissipated. In most pneumatic devices, that energy will bounce back and forth inside the bladder, until it exhausts it's self. This repeated bouncing back and forth in the bladder can cause bloat.
The Viberplane has a surge tank attached to each of it's 3 pneumatic footers, where the energy is shunted, stored, and dissipated. There is no rebounding, or bouncing in the footer(blader)itself, and thus no added bloat.
Another point to consider is the devices Resonate Freq. Point. Below this point the device becomes ineffective, and instead of DECOUPLING, it actually locks up and COUPLES. I believe the Viberplane has a Res. Freq. Pt. somewhere in the 4hz to 8hz region. The Townshend's is 2hz as listed in there literature. Regardless of the R.F.P. you still have to "DISSIPATE" the energy, and that is where I feel the Viberplane is a better mouse trap. Piano's will have more resonance, and Bass guitars will growel. You might notice a slight reduction in bass output, but that is due to the bloat that is gone.
Setting up the V/plane is not tricky, but can be a pain in the A$$. I set mine at 3 and 3/4 inches at all four corners. Biggest problem with bleed down is the hoses that attach the Footers to the Surgetanks. They will leak at the connection sometimes. Just use some small tie raps on the hose ends and the V/Plane will stay up for months.
> > > "will stay up for months." < < < ... wish I could,... my wife says that having sex with me, is like have sex with a rope, as a matter of fact, if it weren't for pickpockets I would have very little sex life at all.
HTH Dave
PS: V/planes usually sell on A/gon for about $1000 plus shipping
"The Vibraplane has a surge tank attached to each of it's 3 pneumatic footers, where the energy is shunted, stored, and dissipated. There is no rebounding, or bouncing in the footer(blader)itself, and thus no added bloat."So, the Townshend has no design built in to do this? Or is it merely less effective?
"Another point to consider is the devices Resonate Freq. Point. Below this point the device becomes ineffective, and instead of DECOUPLING, it actually locks up and COUPLES. I believe the Viberplane has a Res. Freq. Pt. somewhere in the 4hz to 8hz region. The Townshend's is 2hz as listed in there literature. Regardless of the R.F.P. you still have to "DISSIPATE" the energy, and that is where I feel the Viberplane is a better mouse trap. Piano's will have more resonance, and Bass guitars will growel. You might notice a slight reduction in bass output, but that is due to the bloat that is gone."
Is the R.F.P on the Townshend better by being at 2hz?
Finally, I have a massive 4" maple block from Mapleshade which the turntable sits on. I will be putting the table on that, with Isoblocks (cork/rubber sandwiches) underneath and that will be sitting on the Vibraplane or Seismic Sink. Will this lessen the problem at all of the dissipation of energy?
Thanks,
Jeff
I've used a Vibraplane for a few years now and could not listen to music without one. I've tried 12 different other designs, all pale by comparison. The Vibraplane actually isolates down to 2.5 Hz in BOTH horizontal and vertical planes, this is where it beats all others. As for the maple board, I also use a 3" maple board with great effect, have tried the Isoblocks, junk IMHO.
Good luck
Dave
well, not exactly all :-)
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