Chico Malo wrote:Guitar played through a vintage tube Fender Bassman actually sounds quite nice.

True, but..

1. Modern bass amps are pretty different than 50s Fender designs
2. Does anyone actually use a vintage Fender Bassman as a bass amp?

Guitar -> Bass amp won't blow anything but will usually sound shit. I know it does through my bass amps. Bass -> guitar amps can blow speakers if you use it at high enough volumes, so it's not recommended. We blew a behringer amp's speaker at school once playing a microkorg synth through it for a fe...