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Getting the most out of my Definitive Tech bp2000's

I was wondering if I could get some help getting the best and most sound out of my DefTech bp2000 speakers. I'm fairly new when it comes to home Audio, so be patient with me. I recently aquired the bp2000 speakers along with 2 Marantz MA500U monoblick amps. I know that the bp2000's are Bipolar and have a built in amp for the subwoofer. Will it produce a better sound if I take the bridge off of the h/m/l terminals on the back of the speaker and use the mono block amp for the mid/high speakers on it? I know my reciever (Denon AVR-9010) puts out 90 watts per channel, is that enough for the DefTech speakers? It's all a bit confusing to me
jesse12
oldhvymec
5,101 posts
 

audiokinesis2,313 posts

I do not suggest absorbing the output of the rear-firing drivers because they are there to make a spectrally-correct contribution to the reverberant field. Absorption will remove the short wavelengths (high frequencies) but have progressively less effect as the wavelengths get longer (as the frequencies become lower). So absorption can end up ruining the spectral balance of that reflected energy, which correspondingly degrades the timbre of the system.

So, no treatment needed?.. I understand.. There are a lot of speakers that the wrong room treatment, just kills the dynamics of a rather weird speaker to begin with.. Not bad, actually good, but different. Almost the Bose idea, really, weird treatment needed, but not typical.

I've been tinkering with dipoles for a lot of years, they are TOUGH...

Regards
roberjerman
4,319 posts
 
The farther from the wall the worse and uneven the bass response. You can't circumvent the Laws of Physics!
ozzy62's avatar
ozzy62
3,126 posts
 
Well you got a really good deal so I guess you should try to make them work.

Everyone is trying to be helpful, but missing the mark. The big problem with those speakers is the powered subs. No matter where you place the speakers or how much you adjust the amp/crossover you will never get tuneful bass. That speaker was first and foremost designed with home theater in mind. Listen to some music with well recorded kick drum or acoustic bass and you will discover the problem very quickly.

This is a design issue and all the room treatments and speaker placement techniques won’t make it go away. Good luck to you.

Oz
jesse12 OP
2 posts
 
@ozzy62  what is the difference between the powered bass in these speakers compared to a different one? Why is that a bad thing when listening to music and not a bad thing when set up for movies? Honest questions. I appreciate the advice. Yeah, as far as the distance off the walls go, I'm not sure if people realize it has the 3 speakers projecting out the back of the unit. I do notice a significant incease in sound and clarity the further I pull it away from the wall.
audiokinesis
2,737 posts
 
Jesse12 wrote: " I do notice a significant incease in sound and clarity the further I pull it away from the wall."

Glad to hear it helped a bit!  

(I initially mis-read that as "I do not notice..." . Must work on my reading comprehension skills!)

Duke
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