Setting up my subwoofer


I have an cambridge amp azur651w and a azur 851e pre-amp . Also have an M&Ksub with it's own amp how do I set up the subwoofer so that it that only plays but uses its own crossover and doesn't interfere with the amp preamp since the preamp only has a single Jack sub out
beesweet
Also with my azur 651w cambridge a.p how do I Bridge the amplifier
Use the balanced from preamp to amp, and unbalanced for the subwoofer, or vice versa, depending on what the sub has for inputs.

Best,
E
Also with my azur 651w cambridge a.p how do I Bridge the amplifier


Usually if an amp is bridgeable there’s a switch in the back and an indicator to use one or the other inputs. This does not appear to be the case.

You do realize that when you bridge you combine 2 channels, meaning you would need 2 stereo amplifiers for stereo? :)


Best,
E

I have my amp and preamp setup in balanced mode so what I'm trying to understand this since my sub is already Amplified through its own amp how do I connect it to unbalanced
Please explain to me how I do it from the preamp to the amp from the preamp to the sub I'm not sure
Simple, RCA out from pre-amp into the sub, then adjust the sub’s crossover, volume, and phase. Finding the best crossover typically requires an SPL meter, but it can be done by ear. Finding the correct phase is easy to, but if you want me to detail it, I can. Finding the correct volume is also not difficult. 
 
Make sure to do the sub crawl to find the best position for the sub (if crossing over >60Hz, find the best spot close to the speakers.
OP:
I think what you are missing is that the balanced and RCA outputs are live. :) You can use both at once.
E