Theo wrote:
how can I tell if either of my amps are bridgeable, I want to run a
subwoofer in mono and I have no manuals for either...

sherwood AX4103
denon PMA-720

and also does anyone know where I can find somewhere to buy a mono power amp
IC kit, I have looked in maplins but they only went up to 40w, my sub has
two 12" 350w drivers and a low pass filter..