Need help with Crossover Settings - AVS Forum
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post #1 of 16 Old 01-30-2014, 04:20 PM - Thread Starter
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Have L&R Rti5's and a Csi6 for center. Rti3's for L&R rears in 5.1 system. Need to know what crossover settings I should use. Have 15" Hsu sub. Currently have 5 speakers the same at 60hz. Thanks for the input. Seems like the rears are very hard to hear even when I set their volume way up.

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post #2 of 16 Old 01-30-2014, 04:42 PM
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Well, surrounds aren't rears, they're surrounds (to the sides is the general intention in a 5 ch system) and there's not a lot of content in the surrounds generally as compared to the mains. What avr do you have? Are you using the auto speaker setup routine/room correction software in it? 60 isn't a bad starting point, although you might try the THX suggested 80 or something in between as well....

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post #3 of 16 Old 01-30-2014, 06:30 PM - Thread Starter
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AVR is a HK3600. Originally used HK system to set up but since have been doing it manually. Room is rectangular with rear wall a long distance from tv.........30 ft. Will see about placing speakers to the sides vs behind. Just looking for a starting point to know I am somewhere close to where the crossover settings should be set. Really do not even know what the function of setting the crossover freqs are. Thanks for the suggestions.

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post #4 of 16 Old 01-30-2014, 06:43 PM
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What input do you have the RTi3's hooked up? Surrounds or SB(Surround Back)

Have you used the "EzSet/EQ automates room-equalization and system-calibration for simple system setup and optimal audio quality in any listening room."

Crossover from 60-80hz should be find though I don't think the cross over is the problem for lack of volume with the surrounds
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post #5 of 16 Old 01-30-2014, 07:08 PM
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Quote:
Originally Posted by Micah123 View Post
 

AVR is a HK3600. Originally used HK system to set up but since have been doing it manually. Room is rectangular with rear wall a long distance from tv.........30 ft. Will see about placing speakers to the sides vs behind. Just looking for a starting point to know I am somewhere close to where the crossover settings should be set. Really do not even know what the function of setting the crossover freqs are. Thanks for the suggestions.

 

Use the automatic setup for levels and delays (AKA distance).  

 

The function of the crossover is to separate the deep bass from the main channels and send it to the subwoofer.  The reason for that is that the subwoofer can generally handle deeper bass than the main speakers can.  If you send the deep bass to the main channels, whatever they cannot reproduce, you do not hear, plus they will distort more trying to reproduce frequencies that they are ill suited to deal with.

 

I would probably go with an 80 Hz crossover.  You want your speakers to be able to go lower (at their -3dB point) than your crossover point, and although they are all rated for lower than 60 Hz, it is a little closer than I would recommend for 60 Hz.  Try 80 Hz and see how you like it.


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post #6 of 16 Old 01-30-2014, 07:12 PM
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I wouldn't go lower that 80hz. And the "rear" or back surround speakers seem to be much farther from the listening position than the front so you might need to up the trim on them.

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post #7 of 16 Old 01-30-2014, 09:13 PM - Thread Starter
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Quote:
Originally Posted by Kini62 View Post

I wouldn't go lower that 80hz. And the "rear" or back surround speakers seem to be much farther from the listening position than the front so you might need to up the trim on them.


so do I set all 5 speakers to 80?

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post #8 of 16 Old 01-30-2014, 09:17 PM
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I would. Maybe even 100 for the surrounds.

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post #9 of 16 Old 01-30-2014, 09:49 PM
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Quote:
Originally Posted by Kini62 View Post

I would. Maybe even 100 for the surrounds.

Polk RTi A3's are -3db at 50hz. They will be fine with a 80hz crossover
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post #10 of 16 Old 01-30-2014, 09:50 PM
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another confirmation of 80hz...
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post #11 of 16 Old 01-30-2014, 10:02 PM
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Quote:
Originally Posted by Micah123 View Post

AVR is a HK3600. Originally used HK system to set up but since have been doing it manually. Room is rectangular with rear wall a long distance from tv.........30 ft. Will see about placing speakers to the sides vs behind. Just looking for a starting point to know I am somewhere close to where the crossover settings should be set. Really do not even know what the function of setting the crossover freqs are. Thanks for the suggestions.

Not familiar with that avr or its setup/room correction software....is it ezset? I've heard of that but not familiar with it....

Where's your listening position in this room and what are all three dims of the room?

You don't specify a sub, what is it? You can't crossover anything unless you have the .1, a sub....

"I realize that somebody playing free music isn't as commercial as a hamburger stand. But is it because you can eat a hamburger and hold it in your hand and you can't do that with music? Is it too free to control?" - Don Van Vliet (aka Captain Beefheart) discussing commercial success in the music biz


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post #12 of 16 Old 01-30-2014, 10:53 PM
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Quote:
Originally Posted by lovinthehd View Post



Not familiar with that avr or its setup/room correction software....is it ezset? I've heard of that but not familiar with it....

Where's your listening position in this room and what are all three dims of the room?

You don't specify a sub, what is it? You can't crossover anything unless you have the .1, a sub....

He states system is 5.1.

Room size or LP really has nothing to do with the xover setting.
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post #13 of 16 Old 01-30-2014, 11:33 PM
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I'm more curious about his setup and how he got there is all. He states .1 but doesn't mention a sub....

"I realize that somebody playing free music isn't as commercial as a hamburger stand. But is it because you can eat a hamburger and hold it in your hand and you can't do that with music? Is it too free to control?" - Don Van Vliet (aka Captain Beefheart) discussing commercial success in the music biz


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post #14 of 16 Old 01-31-2014, 04:33 AM - Thread Starter
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sub is a 15 inch Hsu

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post #15 of 16 Old 01-31-2014, 04:46 AM
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Quote:
Originally Posted by Micah123 View Post

Really do not even know what the function of setting the crossover freqs are

This was what got me curious about if you had a sub or not.....what did you mean by this?

"I realize that somebody playing free music isn't as commercial as a hamburger stand. But is it because you can eat a hamburger and hold it in your hand and you can't do that with music? Is it too free to control?" - Don Van Vliet (aka Captain Beefheart) discussing commercial success in the music biz


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post #16 of 16 Old 01-31-2014, 05:39 AM
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Refer to this website for proper speaker placement.

I would also recommend using the auto-EQ on your receiver, it does more than just set a crossover. Using the mic it will determine the levels to set each speaker so everything is matched. The only way to do this yourself is with an SPL meter.

Also just out of curiosity, I assume you have the HSU VTF-15H, what do you have the knobs on the back set to?

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