Herzan/Table Stable "Active" Isolation table.

After a lot of thought, I'm going to go down the active isolation route, now that I've gone all-tube. This will mean 6 shelves in total, but will only be able to afford buying used. And I'm going to only do this as my last layer of upgrades - I'm going to first upgrade my passive Symposium Isis component rack and 2 floating Isis stands for my new monoblocks (cost of 5 layers of passive equivalent to 1(!) active layer), then a new i/c and power cord loom, and then upgraded 8kVA balanced power. There are just too many logistical issues to go active just now, and I'll get more VFM maximising current passive isolation/wiring/power which will still amount to less than 6 active shelves new. But I'm settled on the positives of active.

Attaboy!
 
After a lot of thought, I'm going to go down the active isolation route, now that I've gone all-tube. This will mean 6 shelves in total, but will only be able to afford buying used. And I'm going to only do this as my last layer of upgrades - I'm going to first upgrade my passive Symposium Isis component rack and 2 floating Isis stands for my new monoblocks (cost of 5 layers of passive equivalent to 1(!) active layer), then a new i/c and power cord loom, and then upgraded 8kVA balanced power. There are just too many logistical issues to go active just now, and I'll get more VFM maximising current passive isolation/wiring/power which will still amount to less than 6 active shelves new. But I'm settled on the positives of active.

Last layer of upgrades? Good luck with that.;) There is always something else around the corner that you just have to try. At least until you run out of money.:eek:
 
Audioarcher and Rockitman, actually I'm at the point where I'm not driven to further main component upgrades. My analogue front end of Trans Fi Audio Salvation direct rim drive tt and Terminator T3Pro air bearing linear tracking arm, now topped off with my Soundsmith Straingauge is the most artifact-free sound I've ever heard from lp or digital, as close to 15ips reel-to-reel as I've heard. I would have to spend 5-10x as much on an alternative IMHO to really surpass it significantly.
I'm one of the few people sticking with a dedicated cdp, not going to downloads, and my modded Emm Labs CDSA SE player with X Upgrade I still haven't heard significantly bettered by standalone players at 2-3x the price.
My move to all-tubes is really working out, and I suspect I'd Have to spend seriously big bucks to surpass my Hovland HP200 pre/Audion Black Shadow SET monoblocks.
Last and not least, my full range driver/xoverless Zu Audio Definitions Mk4 speakers beat the Wisons and Magicos I compared them to, so again significant gains would really require major outlay.
But, I am likely to get system-wide improvements with judicious choice of isolation/cables/power/acoustic treatments, and that's where my remaining cash on upgrades is likely to go, as I say with active isolation as a final possible leap.
 
After a lot of thought, I'm going to go down the active isolation route, now that I've gone all-tube. This will mean 6 shelves in total, but will only be able to afford buying used. And I'm going to only do this as my last layer of upgrades - I'm going to first upgrade my passive Symposium Isis component rack and 2 floating Isis stands for my new monoblocks (cost of 5 layers of passive equivalent to 1(!) active layer), then a new i/c and power cord loom, and then upgraded 8kVA balanced power. There are just too many logistical issues to go active just now, and I'll get more VFM maximising current passive isolation/wiring/power which will still amount to less than 6 active shelves new. But I'm settled on the positives of active.

Are you saying that you plan to dump the Isis rack and buy 6 Accurion i4 active isolation platforms? That will cost about $50K. But before you do that you are upgrading cables and power distribution. What kind of shelving are you planning to put the 6 isolation units on? Something rigid like Mike and Christian have?
Sounds like an ambitious plan. Congratulations.
 
Ambitious is not ambitious enough of a word, Peter! More like financially suicidal. And I naturally balk at paying more for isolation than the capital cost of my components. If i go down a whole-system active upgrade, some if not all the shelves would have to be secondhand, $50k+ new (more like $72k, 6x$12k) is just too steep a step. I would place them on a bespoke fixed inert slate rack (in UK can source these for $500 per tier), and maybe move my Isis to AV duties.
This would take a massive decision, and ironically the guy I'm using for earthing solutions in my system is the UK dealer for Stillpoints, so am still tuned into more manageable passive solutions like these.
Move to active will be very last thing on my list, requiring a really careful decision.
 
Not necessary, Microstrip. The i4 and Micro40 appear to be very much the same in terms of performance, just different aesthetics. The i4 was designed to take the existing Micro40 functions in a slimmer package.
 
spirit,
I know why you are doing it. My own experiments with diy turntable isolation have underlined the absolute fundamental necessity to isolate turntables. The difference between very good audio performance and incomprehensibly good audio performance can be achieved by turntable optimisation. This applies to already excellent turntables of course. No point isolating a Fisher-Price tt.

I also subscribe to the notion that all components benefit from isolation. If all of the components are excellent in an excellent room, then the effect of isolation is to enable the components to divest themselves of a pollution which makes it's contribution obvious only when it has been removed.
 
I agree with you Theo re the absolute need to isolate the tt, but I've actually made a decision not to investigate active anymore, mainly (only) due to cost. My limited trial with an i4 under my tt was significant, but just not enough to justify the cost. For the cost of actively isolating one component, the tt, I'm able to extend Symposium passive isolation to most of the rest of my system.
I don't doubt the efficacy in other people's systems, but in my circumstances I'm getting more bang for buck investigating Entreq Silver Tellus grounding and uprating balanced power, than Accurion active.
But if cost was no object...
 
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Did you take the picture when you were there?

No found it on Facebook. :) Didn't know it was MikeL's.

Post #27? You have a better memory than me. What was that? Page 3? :)
 
No found it on Facebook. :) Didn't know it was MikeL's.

on facebook?

who's page?

i must admit to ignoring my own facebook page. i signed up for facebook 4 years ago at my 40th High School Reunion and i've regretted it ever since. not enough hours in the day for audio forums and keeping up with emails as it is.

Post #27? You have a better memory than me. What was that? Page 3? :)
 
on facebook?

who's page?

i must admit to ignoring my own facebook page. i signed up for facebook 4 years ago at my 40th High School Reunion and i've regretted it ever since. not enough hours in the day for audio forums and keeping up with emails as it is.

I think it was the page Zarathustra Acoustics, a webpage run by a fellow in Portugal.
 
This is a weird thread. It maintains full momentum when the proponents are praising it to the hilt, and grounds to a halt when another trial gives it less than a 5 star approval. And now Mike's tt/active shelf platform photos are reproduced pointlessly. Hasn't anyone other than Mike, Christian or me trialled it in their system. Personally I like it, but it doesn't produce sufficient step up in quality to justify it's cost.
 

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