I love the ps audio sound i have the bhk pre with bhk 250 and direc stream dac but i whant to upgrade to monoblocks and have the curiositi to bring mcintosh mc 611, but i not have expirience with the bhk 300 the 250 sound great the 300 wil be a big step, but i have curiositi with the combination of bhk pre and the mcintosh mc611, i have legacy audio focus se spekears, and sound great with the bhk 250, gime your advice, thanks alfredo