When setting the speakers to large, your receiver is probably disabling your subwoofer and sending the bass frequencies to the mains only.

When playing music, and with the receiver set to large, can you hear the sub if you put your ear next to it?



*Michael*
AV123 Refugee - X-LS Encore, X-Voce, X-Omnis, Elt-Dpa's
Denon AVR-591
Magnavox NB500MGX BDP