"Dave Plowman (News)" wrote:

Phil Allison wrote:
I am wishing to build a replacement transformer for my Cambridge Audio
DacMagic DAC (the new one that's just come out). I am unhappy with the
original PSU because it is inefficient and doesn't have a physical
on/off switch so it's constantly drawing a current unless you unplug it,
and I like to save evergy where I can.

** You cannot legally build your own AC "plug pack" - such items
require specially design transformers and must be made and ** agency
approved ** to meet the Class 2 safety standard.

You are familiar with the regs in every country, are you? Or just spouting
your usual negative bile?

Just about every country now.

And he's right. Look up BSEN60065 (specifically for the UK) or IEC 60065 (in
English and French) for worldwide use. It'll cost though.

I have a slightly old copy right here. Plus I've been a 'standards expert' for
over 20 years, starting at Neve.

Graham