Tube DIY Asylum

RE: Grounding Scheme

24.214.60.34

In Reply to: RE: Grounding Scheme posted by etch on June 30, 2008 at 17:36:29

Here's what I do:

Use a length of #12 solid copper as the ground buss and make it long enough to reach from the power supply area to the signal input area. Only connect it to the chassis at one point (where the signal inputs come in.) I support this buss wire at both ends by connecting it to a terminal on a tag strip (isolated from chassis). Don't use chassis as a grounding point for anything - use the ground buss. This is pretty much the same as GRHughes, but I connect my ground buss to the chassis where the signal inputs come in (this is from the Mullard tube amp design book, and from Henry Ott's book Noise Reduction in Electronic Systems).

AC power ground connects to chassis where the power cord comes in.

I don't have any pictures of this on a server anywhere, but I'll try and take some of the amp I'm currently building so you can see what I mean.

Chris
Read Kurt Vonnegut, Tom Robbins, and Charles Bukowski.

Follow Ups:

Yes, I used to do the same. But no more todate. (long) - cheap-Jack 11:12:56 07/02/08 (0)

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