Need help building an amplifier-headphone adapter


Hello

I have an integrated amplifier (12W) that does not have a headphone output and I want to find a way to listen via headphones.

The easy solution would be to find a device like the ASL UHC. But I have not managed to find one for sale in Europe.

http://www.divertech.com/asluhcsignature.html

Now I want to try to build one myself :) Could be a nice project and will add a nice feature to my amplifier.

Does anyone here have experience building such a device as the ASL UHC? Are there any kits or schematics available?

Thanks for any advice.
indiesverige