Component isolation


Let’s say you’re going to add isolation feet to a component with no moving parts, such as a preamp, phono stage, DAC, amp, tuner, etc. 

Which one is most critical to the extent would get your attention first? 
128x128zavato
Don't tease me, bro! The Nimbus Sub Hertz Platform is no longer available! http://www.machinadynamica.com/machina24.htm
Can't imagine why this didn't catch on.
Don't tease me, bro!
The Nimbus Sub Hertz Platform evolved into,.....?
“If I could explain it to the average dude they wouldn’t have given me the Nobel prize.”
Frank Van Alstine was recommending a paving stone sitting on an under-inflated inner tube as a turntable isolation platform way back in the mid-80’s. I believe the idea was already very old even then, dating back to the 1950’s. The early, WWII-generation engineers and audiophiles got a lot right.