A Copernican View of the Turntable System

@halcro 
Thanks for that - agreed.
Ideal would be TT in separate annex away from airborne vibrations.
For those that can't afford the Herzan I have previously had some success with sound absorption panels behind the TT in resonant environments.

Very cool Henry.   did you get a decent price for the Herzan and where did your source it from?
  I can pm you for ultimate details.

Interesting thoughts Dover....
Watch this VIDEO on the Doehmann Helix 1 turntable when Mark Doehmann (who was head designer at Continuum for the Caliburn and Criterion turntables and also the Cobra and Copperhead tonearms) comes in to explain it (past the halfway mark).
Apart from the other interesting design attributes.....the aluminium that you think is the platter.....is actually a 'shield' against Air-Borne Sound Transmission and the platter sits behind it....🤗
Mark knows his 'onions'......

Thanks Shane.....
Not only 'cool'....the Herzan is a real listening experience for vinyl lovers.

I dealt with Reid Whitney directly at Herzan in the States.
He really knows his stuff.
Tim Rather then handles the production and delivery.
I paid what I had to plus 'extra' for a special larger top-plate (I didn't want to run out of room if I needed to mount some other 12" arms in the future) plus FedEx Delivery......it took 3 days from the factory for me to have it 👍

This is definitely not a cheap option Shane....
Thuchan is about to trial a cheaper version in Germany from Accurion...
Will be interesting to hear his thoughts.....

I also got me TS-150 directly from Herzan dealing with Tim -- a very easy process. 

I have posted the interference readouts from my installation as part of my system description (https://systems.audiogon.com/systems/5707#&gid=1&pid=31)

You can see from the traces that in my room I get a lot more background seismic activity than Halcro does. This is a wall shelf installation so that may explain why the main activity is in the vertical dimension. The time base for the scan is 165mS so the frequency of the activity is 10-12 Hz or so -- it strikes me that as this is close to the resonant frequency of arm/cartridge combinations it may be that eliminating this may be one of the reasons the effect of these active platforms is so profound.You can also see that in my setup I get some motor noise transmitted into the stand which the TS-150 does a good job of removing. My TT (EAR DiscMaster) is designed to prevent this noise making it into the platter (via a decoupled tension bearing and the give in the toothed belt) but it should help to also not have noise build up in the stand itself

Anyway just wanted to add my voice to back up what @halcro says about the benefits of addressing the record player as a system and working from the ground up