Vibration control inside a cabinet


For placing an amp and a CD player inside a built in cabinet, what would be the best way to control vibrations:  do I want some kind of isolation platform (actual brand suggestions would be appreciated), or something more like Herbie's Tenderfeet?  Or both?

Thanks!

mcanaday
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For options to Timbernation try Michigan Maple Block. I have no affiliation with the company other than living in the same State.
Isolate the CD player. That will protect it from floor borne seismic vibration as well as vibrations from the cabinet produced by all sources including airborne.
@mcanaday, please tell us additional specifics regarding your built in cabinet.
What type pf materials (wood?), how are the shelves held to the frame and how does the cabinet sit on the floor (legs, flat base) etc.