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Isolation stands: snakeoil?

I understand that turntables are uniquely effected by vibrations due thier sensitivity to that kind of energy. But here’s the thing: most turntables, especially decent ones, have vibration control measures built into them via footers and various construction techniques. So, the question is: are turntable stands / shelves with isolation features actually beneficial or are they just horrendously overpriced accessories for audiophiles?
madavid0
lalitk's avatar
lalitk
1,105 posts
 
After reading warpig2112 and kavakat1 posts, thank goodness I do not own a TT 😳

My digital setup is way too good, nicely housed in PlyKraft 4 🤓
folkfreak's avatar
folkfreak
1,149 posts
 
@lalitk hate to break it to you but digital equipment is just as susceptible to vibration.

Just this morning I tried swapping a set of <.5mm constrained layer damping sheets below the base under my master clock (this is a 10Mhz clock that drives the system clock in my DCS stack) -- the effect was quite audible (and in this case negative)

Surprised no one has brought up active isolation (herzan etc) -- you can see the measurable impact via the pics in my virtual system
https://systems.audiogon.com/systems/5707#&gid=1&pid=14
jbrrp1
215 posts
 
Cool measurements!  I only reported the sound quality improvements with a Herzan under my turntable, but your measures imply the "why".
folkfreak's avatar
folkfreak
1,149 posts
 
@jbrrp1 I'd missed your post, sorry

btw have you tried changing the power cable on your Herzan? Shouldn't make a difference but it does! I've only gone up to a $300 or so cable, I can't find it in myself to go further (although maybe I'll try if I liberate a spare from the rest of my system)
john_g
38 posts
 
folkfreak That is one impressive system! What's the distance between the listening position and the speakers?
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