Interesting, I was using a Sony MP3 player with a mini jack to two 1/4 jacks plugged into
2 mono channels. If I DO turn the Bass bins on there seems to be a normal full range
signal with plenty of bass. Using bins and tops together sound great, but there doesnt
seem to be bass going to the tops at all.
I am going to head down to a friends
practice room at the weekend and experiment with different speakers, different leads, even
a different desk. Every possible combination I can think of to get to the bottom of
this.
Thanks again to everyone for your advice!!!