Maybe this will help. They don't want the pdf posted elsewhere but here is a link to it:
http://www.generalguitargadgets.com/pdf/ggg_ruby.pdf
and some more
http://www.rustybrooks.com/electronics/mouser/kits?kit=rubyamp
http://rubyamp.com/build.html
http://www.instructables.com/community/Ruby-amp-9v-DIY-guitar-amp/
http://www.generalguitargadgets.com/pdf/ggg_ruby.pdf
and some more
http://www.rustybrooks.com/electronics/mouser/kits?kit=rubyamp
http://rubyamp.com/build.html
http://www.instructables.com/community/Ruby-amp-9v-DIY-guitar-amp/