Vibration shouldnt be a huge problem unless the amp manufacturer didnt account for it when designing the solder joints. But i wouldnt suggest it.

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Mounting amp to sub box. The flex of a poorly braced box will cause the vibrations out of the box. Meades setup is different he has very little flex from over building his enclosure. Cut out a piece of wood to mount to the box then mount the amp to that panel and use rubber grommets in between the panel and the amp. The only way to do this was to mount the amp to the box itself. I was planning on putting rubber spacers between them amps and the box but still dont know if that would make enough difference. It is very bad for the amplifier.
As soon as you mount the amp to the box the amp board and all components absorb every bit of vibration. Screw on extra layer of mdf first to stiffin the mounting surface. Mounting amp onto sub box thread starter beatin start date apr 6 2013. Vibration can ruin things especially little parts in a amp over time. Other then breaking the mounts on my amp planet audio when it was mounted to my box i havent had a problem with it. It is from the flexing of the panel that the amp is mounted.
If at all possible avoid mounting any amps to enclosures. I then dont tighten the screws down completly tight just enough to keep the amp in place. I also put a foam padding between the amp and box to protect the amp from vibration if any. Nov 18 2012 1003 0 mi. Apr 6 2013 1 how do you do this without box flex damaging the amp. The real problem with mounting an amp to a box is the box flexing if not properly made.
I was planning on mounting them to the sub box but then gave a second thought to vibration. The proper way to mount an amp to a box is to get the amps mounting points as close to bracing as possible since that panel will not flex as much. I dont drill the screws completly through the box. Should i mount the amps off the box to avoid long term vibration effects to the amps.