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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Monoblock amp platforms.. posted by Borough33 on January 16, 2007 at 16:17:31:
I am not an expert on vibration control, but I do have a pair of D-200's. I believe that the most effective vibration control is achieved by mass loading and isolation. The D-200's have so little mass that they should be handled a little differently than weightier amps. Simply mounting to any old piece of wood might only serve to increase vibration, no matter what is done to isolate it (spikes, inner tubes, sand boxes) because the amp itself and the platform will vibrate sympathetically with low frequencies. The mass should be increased and the thin steel amplifier case itself damped. I removed the covers and installed a constrained-layer damping material on large portions of the inside. 100% coverage is not needed. If you don't want to get inside the amps, I would lay a bag of sand or a covered brick on top of each one. The thin steel case is not used for thermal conductivity, but I wouldn't obstruct the side vents. Then you should add mass to whatever platform you choose. Stay away from MDF. Use a heavier, more inert material such as thick (1" minimum) planks of wood or plywood or even slabs of stone or concrete. Isolate this large mass from the floor by using sand.I buy ballons partially filled with sand from a local "party" shop for $1 each and put one under each corner of my platforms. These efficiently decouple the platform/amp from vibration transmitted through the floor. No marks on the floor. Cheap, too!
Peace,
Tom E
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Follow Ups
- Re: Monoblock amp platforms.. - madisonears 22:10:25 01/18/07 (2)
- what sort of party are they for?????????????? nt - dave c 03:16:57 01/19/07 (1)
- The sort you're not invited to: most, probably. - madisonears 12:59:27 01/19/07 (0)
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