Originally posted by educatedfilm
...Any way what i do is connect the input to headphones socket, and turn the gain and all volumes up, except the master volume. At low master volumes, the amp screams and ear pircing whistel, if you turn up the master volume , the sound gets louder and lower, It's sounds a bit like an oscilliscope sound generator type thingy..

...most of us just stand close to the speaker with our guitar...