Originally Posted by Bill Fitzmaurice
The single Y is fine. You set the crossover on the receiver as that not only sets the low pass to the subs but also the high pass to the other speakers. You still can use the internal low pass filters on the subs to increase the overall low pass slope, which better filters out above bandwidth harmonics.
The old level matching technique comes in handy!
Klipsch RF 7 based HT 7.4, Pioneer SC 35, Acurus Five 200 amp, Chase SS 18.2(2), VS 18.1(2), Samsung BDP F 7500, Asus/My Book Live HPC 4 TB
Yaquin VK 2100 amp, McIntosh XR 5 speakers, Samsung BDP F 7500