[sdiy] Isolation transformer question..

[harry]

It's a good start....

You should add line filters (like Corcom, Delta, etc...) to really get rid
of the noise.  I'd add one on each secondary... they will work to stop
noise both from primary to secondary, and from secondary (reflected back)
to secondary.

You should add G-MOVs (surge suppressors) as well.

Get a huge double pole toggle switch (mine is a 30A / 120VAC)
and switch both sides of the incomming line to off when you leave the studio...
it should protect the gear from most everything (when off) including small
lightning strikes.

H^) harry

Machinerygod wrote:

> Alrighty, so I want to put all the gear in my studio on a transformer
> to isolate it from the rest of the mains in my house..and preferably
> each other. Just wanted to run this by everybody in case there's
> something I'm not thinking of:
>
> I'm using a super-duper medical-grade transformer I found discarded
> somewhere. 5KVA, .005pf capacitance (which is supposed to be very good
> isolation from what I've read). I've wired the primary windings in parallel
> for 120V input and have two separate windings each of 120V on the
> secondary. The idea is to have one circuit coming from each secondary
> winding, one with audio gear on it, the other with computers/TV/video
> gear/anything with a motor/non-audio on it, so as to reduce noise.
>
> Is this likely to help with computer-related switcher noise?
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