[quote name='Bill Fitzmaurice' post='616976' date='Oct 4 2009, 10:58 PM']The cabs you have aren't designed for true bi-amping. You should be running the 4x10 full range, the 1x15 lows only with the low pass filter set around 800 Hz.[/quote]
I will give it a go, cheers buddy.
Can I just be clear, do you mean set the left knob to about 4 o clock?