quick follow up....
went ahead and connected my active sub to the speaker terminals along with my bookshelf speakers. sounded much better than using the sub's speaker level inputs (and outputs). thanks guys!
When you say better, may specific frequency range (bass/mid/treble) lang bang apektado?
Sir newbieforever, your active sub is not basically considered a load kasi active siya sir, meaning amplified. From your diagram, you are considering your active sub to be a passive load.
Yes negligible na as load dahil sa taas ng impedance. May resistors yan from sub high level input to the board on both the + and - terminals, at least 10k nag resistance from + to - ng high level input.
He has an active sub. We are not dealing with one amp and raw drivers here. The load of the sub's amp speaker level input is hardly seen by the main amp.
Option 1 is fine for single ended amps (parallel). Meaning it shares a common ground. This option will not work with t-amps. For most tube and solid state amps this will work.
It will work with any amp, be it single-ended or bridged. There is a differential input circuit that ensures the high level input terminals are not directly connected to each other or to ground.
