Quote:
Originally Posted by Kali157
Hello all. I just got my Emp Tek E5Ti tower speakers. Well, I got them over a week ago, but my wife and I were out of town. Anyway, ran Audyssey and it predictably set the fronts to full band. I set my center to 80Hz, my surrounds to 90 Hz, and my sub to 100Hz. Then I noticed a feature of Double Bass. This is the explanation according to Onkyo:
"With the Double Bass function, you can boost bass output by feeding bass sounds from the front left and right channels to the subwoofer... Double Bass function on. Bass from the front left and right channels is also fed to the subwoofer (default)."
So if I use this when my fronts are at full band, anything bellow 100Hz for the fronts will ALSO be sent to the sub as well, correct? I just want to make sure that I read that right. I would love to use the full band of my new fronts but keep the support of the sub. Any reason why I should keep this off and turn my fronts down to 80Hz?
Btw, I am listening to music with the E5Tis and I am REALLY enjoying them. Very nice sound.
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Yes there is a good reason to turn off double bass and set the crossover to your towers at 80 Hz.
You already have a subwoofer!. I wouldn't recommend using the Emp Tek E5Ti towers full range. Speakers with merely dual 6.5 inch woofers are no match for a subwoofer when it comes to reproducing the lowest bass found in movies. The subwoofer is designed to handle the lowest bass at far higher output sound levels (spl ca 105 db to 115 db) in the 20 Hz to 120 Hz range. Your towers are not full range, that is, capable of -/+ 3 db from 20 Hz to 20K Hz. Yours are +/- 3 db from 50 Hz to 20K Hz. Your towers are really meant to be set to small, as well as the rest of the speakers you have. I wouldn't set the crossover frequency any lower than 80 Hz for your towers. Let your subwoofer handle the bass below 80 Hz
As far as Onkyo's double bass feature goes, most HT experts don't recommend turning on that feature which is found on many AVRs going by different names. Just take their advice and avoid it. It can actually decrease bass performance. Place your towers at a location where they can give the best imaging, smoothest frequency response above 80 Hz, and best sound dispersion. Place your sub where it is more capable of producing the smoothest bass response. Then you're all set for the best HT experience you can get.
I suggest that you read this
bass management guide. Also read
small vs large speaker setting.