im posting this in this forum bacause i want your opinion on tis effect unit as a preamp , not for the effescts, since im looking for a pre amp to finish my rig, y thought i could get something like a gt6b, so i can have my effects and presets and usit as a pre amp, so i will dial my sound out of it, so i y play in other amp, i will still have the sound i choose. how can it works as a pre amp? sending the signal dorectly into a crossover and then into the power amp. im using a yamaha 500+500 amp with a SWR goliath JR and a yamaha 1x18. playing a 77 jazz bass. also, how is the compressor in the gt6b? i have only a compressor level or i have both treshhold and ratio levels? how many band eq do i have? ok, thacks a lot for the input!