https://www.vguitarforums.com/smf/index.php?topic=21434.0
Seriously - try it. I spent about half an hour with two different guitars (one with active pickups, one with passive) and just had a ton of fun with it.
Update: a relatively new development: use the same patch also with the standard input and bring your volume down to about 4 on a standard strat on the neck pickup and roll the tone back 2 notches. A humbucker guitar might need a little less volume.
I've used this on several jazz gigs and the delineation between 4 on the volume and 5+ is the point where breakup is achievable. The sweet spot you control being clean or slightly overdriven just by finger pressure.
This is fun because I was using the GP-10 with my JC-120 a pretty squeaky clean amp not known for its overdrive and using this there let me go from a clean sound for jazzy chording to a slightly overdriven tone for solos.
So yeah, I got roped into a somewhat regular jazz thing with guys at the church and have been perusing my real books and comparing against album stracks to shed this stuff which I never really did too much of before. Lots of fun.
I have to say, I totally agree. Today I played a rehearsal with the guys, and I could get everything from nearly clean to "rock it" only with that patch.
Very good patch for original pickups.
Does anyone know, if there is an equal patch for GR-55?