the only guitar manufacturer that I know of that even says it's cool to tune their acoustic 12 string to concert pitch is Taylor.

But the rule of thumb for any other kind is to tune it down a step (D) and capo up if needed. As most guitars aren't built well enough to take the stress.

Jody


Jody Whitesides
A Funky Audio Lap Dance For Your Ears!
www.jodywhitesides.com