andrei_nz,
Vibration begins as soon as you switch on the electronic component. Alternating Current provides the startup of energy movement known as electromechanical vibration. Then the transformers and capacitors begin to function (physical movement) forming mechanical vibration and finally the loudspeakers fire forming heavier amplitudes of energy known as acoustic or airborne. All this vibration builds on all surfaces forming resonance.
Resonance propagates everywhere throughout the system and musical environment. From the smallest of parts such as transistors, circuit boards, resistors, etc. on up to cables, electronic and loudspeaker chassis, racking, walls, floors and ceilings vibrate as well. A lot of listeners do the touch test to feel if their chassis are vibrating in attempts to see if they are eliminating or killing vibration. No need for that test as one can never stop or truly isolate vibration from occurring in hi-fi components or musical environments.
That being said, you are now left with attempting to manage the negative effects of resonant energy formed from vibration.
Two of the most popular methods are direct coupling (mechanical grounding) or decoupling (isolation).
Sorry I did not mean to go there as Pandora can easily take control of this thread…
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Hope this information helps your understanding how solid state equipment is affected by resonance. It begins on the inside of the chassis.
Robert - Star Sound
