Re: hum cancelling

[Rob Martino <martino@ctron.com>]

Paul Poplawski, Phd wrote:

> >>Any general ideas what to do about this? Simply turning around the 
>cables
> >>doesn't seem to help. Is there hope at all? Is it possible to run a 
>heap of
> >>devices (2 computers, recorders, tuner/amplifiers and CD players, an 
>old
> >>Minimoog, sampler, DAT, loop delays, volume and other pedals, Vortex,
> >>guitars, reverb) connected by a jungle of cables, without having any
> >>disturbing hums? There's not enough space and I can't afford setting up
> >>a professional studio in my room.
> >>
> >>-Michael
> >
> 
> I have found that alot of hum can be cause by AC strips and/or the
> particular placement of wall-warts in relation to other wall warts or AC
> strips.  Move things around and see how the hum changes.  I don't think 
>it
> is cabling

Maybe you could get one of those line conditioners like Furman or ETA which
does EMI/RFI interference filtering?  I have a Furman PL-8 which can be
bought for around $100, there might be others for a little less.  This 
won't help
for noisy guitar pickups though.

Rob Martino