hello friends, i am using active sub with the yam 361 with xo freq set at 120hz on the receiver. The yam has an option for bass out to front/sub/both. When i set it to the sub option, there is no output from the sub. When i set it to 'both', then only the sub starts playing. I have tried it n no. of times but unable to understand why it is happening so? All this testing was on stereo music. Have not tried it yet on a 5.1 channel music.