Vibration Control for Lightweight Tube Components


I'm looking for suggestions to isolate a lightweight tube preamp from vibration and resonance. Not acoustic vibration, but physical vibration from the stereo rack. When I touch the shelf the preamp sits upon, the sound can be heard thru the speakers.

I am using a heavy furniture grade stereo rack for my components, all using Herbie's Tenderfeet for isolation, including my TT. The preamp only weighs 7 lbs. and has Herbie's tube dampers applied, but needs to be decoupled from the heavy wood shelf. I've tried the Tenderfeet and Vibrapods under the preamp, but neither provided isolation from vibration.

So, what are owners of lightweight tube preamps and amps using for vibration control? (there is a limited amount of space between the shelves).
128x128lowrider57
Lowrider, Yes I am using the Jolida Fusion w/out any mods. Was thinking that as well as I haven’t heard a problem with RF in my system, and also thinking  I may wrap the transformers with the mu metal as Geoffkait recommends. Will depend on the cost of the Herbies as I have 4  tubes to treat.

mesch, if you're using short runs of cables, separate your components from power supplies and avoid coiling power cables, etc., you most likely wouldn't experience a EMF/RFI problem. Do you use any conditioning or a surge protector with filters?

For $15 per tube damper, you could get tighter bass and possibly a more focused image. It's a great tweak.
It's your IC's guarantee it.
They are unbalanced ICs, Purist Musaeous and Grover Huffman Empress and I'm not sure if they're shielded.
So, is there a solution to prevent extraneous sound from traveling thru a cable?
So, in other news, while I’m waiting for my bamboo board and Moongels to be delivered, I installed Bright Star IsoNode Feet under my preamp.

The sound of my system is more transparent, with much more low-end detail than when using the Vibrapods or Herbie’s Tenderfeet. This softer, more compliant material works better on a lightweight component.

But still picking up resonances from the shelf.