We've had great success using floor pads to reduce noise on through hole
insertion machines, but have never tried it with a washer.  Why not???
Dave Fish

Ed Popielarski wrote:

> Steve, Sound is simply a series of air presure variations. Adding
> "white noise" (flat broadband sound, equal amounts at every frequency)
> will "mask" undesireable noise, but does nothing to attenuate it.
> There are new techniques that use a microphone to detect the sound,
> invert it and re-send it into the air via loudspeaker, but this sort
> of equipment will cost more than the machine you'r trying to quiet
> down. My suggestion is to replace the sound foam with a high quality
> absorptive material such as made by Sonex, as well as a pad on the
> floor under the machine. You'd do well to have a service come in with
> an audio spectrum analyzer to "customize" the sound materials to
> specific problem areas in the machine. Regards,Ed Popielarski
> QTA Machine
> 10 Mc Laren, Ste. D
> Irvine, Ca. 92618 Ph: 949-581-6601
> Fx: 949-581-2448 http://www.qta.net Check out our BGA Baller and
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