> ...i wanted to play a bit with it through my big speakers which are connected via my computer soundcard.
Since the OP living room speaker is already connected to the PC sound card.. can I assume the hall speaker is a powered speaker ?
The OP wanted to play guitar via the Quad (using the Hi-Z feature I suppose) to connect it to the PC sound card.. So I take it this is not the regular DAW connection.. but rather Quad head phone out to PC sound card line in ?
...if this is true..I have some suggestion.. i'm already assuming too much now..