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Originally Posted by truwarrior22 
I don't know if you want to use Audyssey with BP7001SCs. I used it in my room with BP7000SCs and it just killed the bass in the room. It was weak and just sounded awful, however, when I unplugged my towers it did excellent job with my HGS-18 sealed sub, it was actually pretty amazing!
I don't know if you want to use Audyssey with BP7001SCs. I used it in my room with BP7000SCs and it just killed the bass in the room. It was weak and just sounded awful, however, when I unplugged my towers it did excellent job with my HGS-18 sealed sub, it was actually pretty amazing!
Why wouldn't you want to use Audyssey? Are your speakers going to catch on fire and burn down your house if you do?
Try Audyssey and if you don't like it...turn it off. Suggesting that someone should not use Audyssey because it didn’t work for you is bad advice.
I use Audyssey on my 7001s and they sound great. It took some trial-and-error to get it right, but once I got it right, I’ve been very pleased with the results.
Using Audyssey takes some knowledge for proper calibration. If you do it right, it should improve the sound. If you do it wrong...the sound will suck!
Spend a little time at the Audyssey thread and learn how to do it correctly. It takes more than setting the mic in the room and pushing a button.
There is so much misinformation on this thread it's scary.
Why do you want to crossover your speakers with built-in subs below 80hz? The towers are built with internal 80hz crossovers already. Crossing them again above or below 80hz is called "cascading"
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.Cascading crossovers cause a number of problems, possible large DB loss in bass level. Using your processor/receiver's crossover to filter out unwanted frequencies before sending the signal to your sub, you don't want to use the sub's built-in crossover on top of that (cascading crossovers). If your sub has a LFE bypass input, it is recommended to use this input instead of normal low-level inputs. The LFE bypass will bypass the sub's built-in crossover.
The bottom line is, avoid cascading crossovers.
The bottom line is, avoid cascading crossovers.
The same principle applies to speakers with built-in subs. There is a crossover in the tower that is engineered to produce the best results.
From Def Tech...
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Each BP7001SC combines a built-in 10" SuperCube® subwoofer driven by a 1500-Watt class D amp.
Linkwitz-Riley crossover networks do a superlative job of seamlessly blending the drivers for totally homogeneous sonic output as if radiating from a full-range pulsating sphere.
Audiophiles often spend dozens of hours moving and adjusting their subwoofers' crossover and phasing controls in pursuit of perfect subwoofer to main speaker "blending." With the BP7001SC you won't have to go through that kind of hassle to get audio perfection. Definitive's engineers have perfectly adjusted the crossover and phase between the subwoofer and main speaker sections to achieve seamless blending and life-like sound. All you have to do is set the bass volume to match your room and taste then sit back and enjoy audio perfection.
Linkwitz-Riley crossover networks do a superlative job of seamlessly blending the drivers for totally homogeneous sonic output as if radiating from a full-range pulsating sphere.
Audiophiles often spend dozens of hours moving and adjusting their subwoofers' crossover and phasing controls in pursuit of perfect subwoofer to main speaker "blending." With the BP7001SC you won't have to go through that kind of hassle to get audio perfection. Definitive's engineers have perfectly adjusted the crossover and phase between the subwoofer and main speaker sections to achieve seamless blending and life-like sound. All you have to do is set the bass volume to match your room and taste then sit back and enjoy audio perfection.
http://www.definitivetech.com/products/bp7001sc
The only way to bypass the built-in crossovers is by using the LFE inputs on the towers, which is what I do. Then, I let Audyssey EQ the built-in subs as though they were stand-alones. You won't be able to completely negate the effect of the internal crossovers since there will be some roll-off below 80hz, but the harm will be much less than cascading crossovers.
I don’t care where Audyssey sets my crossovers because I change them back to 80hz which is the closest match to the Linkwitz-Riley crossovers that are already in the towers, and according to Def Tech, will do the least amount of harm to the overall sound.
Some folks like this approach and some don’t. It is strictly personal preference.
But, using the receiver’s bass management to change the crossovers to anything other than 80hz when using speaker wire, will most likely do more harm than good.
I apologize in advance for the snarky tone of this post, but holy crap!...those of us lucky enough to own
Def Tech speakers shouldn’t make suggestions that will take great speakers and make them mediocre.
I have several of these throughout the house running anywhere from 2 to 8 ceiling/wall mounted speakers. I will even be using one for four bass shakers mounted under my couches. They have been awesome for the last year that I have owned them and drive all the speakers I have connected to them way louder than I could ever listen to them.
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...enjoy your speakers!
