| i've done exactly what you are describing.
your easiest/cheapest solution is to buy a small, cheap mixer
and run a mono out to the effects loop return.
this will bypass your pre-amp.
if you still need the pre-amp for your bass tone, you can plug the bass into the input of the amp, take the effects out into a channel of the board, and send it back with the mix into the effects return.
you can get a cheap, small behringer mixer(the size of an effect pedal)
for around 35 bucks.
cheers |