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Go Back   Blu-ray Forum > Audio > Audio Theory and Discussion


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Old 02-25-2018, 03:06 PM   #1
yellowcakeuf6 yellowcakeuf6 is offline
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Default Crossover with Delay Bi-amp LCR

I've recently enlarged my room and discovered I now have significant (compared to the former room size) reverberation/echo creeping in. It is mainly noticeable in the dialogue, which is slightly less intelligible now.
I'm looking into a bi-amp crossover with delay for the LF drivers side, which helps with this situation: you set a certain millisecond delay to the LF, so it arrives at the listening position slightly later, and thereby helping intelligibility.
This is what is used in actual theaters, but I'm not sure if it will really help in my new room 26'x37'x9.5'. Is anyone using an outboard crossover in a bi-amp setup for each screen channel (mine are behind the screen)?
BTW, I am using side wall damping along with a well damped behind the screen area. That's why I'm thinking it is the increased distance listening area that is causing this. I've already experimented with EQ-ing (I've got an 8-channel 3rd octave equalizer for all the channels), but that does not seem to be eliminating the problem.
I've found this unit, and was wondering if anyone else is using a similar setup.
Thanks for any advice.

Behringer Super X-Pro Cx3400


https://www.sweetwater.com/store/det...-by-pro-cx3400
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Old 03-08-2018, 07:46 PM   #2
yellowcakeuf6 yellowcakeuf6 is offline
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For anyone that may ever encounter a similar situation, I was able to get better results by totally deadening the back wall, and I also threw in some floor to ceiling corner bass traps at the back of the room. My RTA has shown a small improvement, but to my ears the dialogue has significantly improved.
I may add the EQ with delay at a later date, it may help the issue further.
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