thanks for all the help weirdbits,

after giving your posts some consideration, i realized a master tone and treble cut combo probably was a bit unnecessary. looking through some old magazines and articles i'd saved i came across the idea of a kind of mild overdrive circuit some people had been using in place of a tone knob consisting of 2 diodes in series wired in opposite polarities, and i came up with this.

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i've used your diagrams as a kind of template to make pretty certain this would be correct, if you give me the go ahead i think this is the setup i'll use, after a quick trip to the electronics store of course. i know the passive OD circuit isn't good for too much, but it does flavour the tone in a pretty interesting way and i think combined with the bass and treble cuts there'll be some pretty interesting tones to be had...

thanks agaim