Can you connect a graphic equalizer to a 7.1 reciever? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 20 Old 08-07-2019, 04:11 PM - Thread Starter
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Can you connect a graphic equalizer to a 7.1 reciever?

Hello I'm gonna try to keep this short. I am not sure if this is the right forum to post this on but… Quite a long time ago i invested in a Umik-1 and started using room eq wizard to measure all of my speakers. Just using the equaliser in my reciever i have gotten all off the channels decently flat and definently not drastic enough for me to invest in room treatment (the biggest peak/dip being around 7 db.

I just want it all to be a Little flatter and my center especially sounds a Little off even with the eq on my reciever so i have decided i want to invest in an external equaliser with more Controls to get me satisfied. I'm looking into Behringer FBQ6200hd.

I have a couple of questions.
1. Can i connect this to my 7.1 reciever and use it on all the 5 channels i am curently using or is it only for stereo listening? If it is only for stereo listening are there any equaliser that i could use on all 5 off my channels?
2. Would i be able to use all bands on the eq or just a limited number (it's like that on my reciever).


That's all the questions i have. Thank you for letting me borrow your time.
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post #2 of 20 Old 08-07-2019, 07:22 PM
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Too brief, can you let know what AVR you are using?


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post #3 of 20 Old 08-08-2019, 02:39 AM - Thread Starter
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Originally Posted by B SUBASCHANDRA BOS View Post
Too brief, can you let know what AVR you are using?


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post #4 of 20 Old 08-08-2019, 05:46 AM
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The behringer equalizer is Stereo, so it is only useful for 2 channels. Also, unless you have an effects loops on your AVR, you may not be able to alter the signal before the amplification stage.


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post #5 of 20 Old 08-08-2019, 06:39 AM - Thread Starter
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Originally Posted by viorel View Post
The behringer equalizer is Stereo, so it is only useful for 2 channels. Also, unless you have an effects loops on your AVR, you may not be able to alter the signal before the amplification stage.


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Well are there any alternatives to use for 5 channels? I am not very good with amplification stuff so I am not shure what you mean by effects loop. I do have the option to add a bi-amp if that's what you were asking. I'm sorry i'm such a noob at this.
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post #6 of 20 Old 08-08-2019, 06:56 AM - Thread Starter
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Originally Posted by Droidboi View Post
Well are there any alternatives to use for 5 channels? I am not very good with amplification stuff so I am not shure what you mean by effects loop. I do have the option to add a bi-amp if that's what you were asking. I'm sorry i'm such a noob at this.
After searching around for a while it seems like this is what i am looking for? https://www.minidsp.com/products/ht-series/nanoavr-hd
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post #7 of 20 Old 08-08-2019, 06:57 AM
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Originally Posted by Droidboi View Post
Well are there any alternatives to use for 5 channels? I am not very good with amplification stuff so I am not shure what you mean by effects loop. I do have the option to add a bi-amp if that's what you were asking. I'm sorry i'm such a noob at this.
Since you've already flattened out the response at the listening position, then you're at a point where more EQ equipment isn't going to help. Your speaker's radiation pattern interacting with your room acoustics is most likely your root problem.

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post #8 of 20 Old 08-08-2019, 07:00 AM - Thread Starter
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Originally Posted by 12B4A View Post
Since you've already flattened out the response at the listening position, then you're at a point where more EQ equipment isn't going to help. Your speaker's radiation pattern interacting with your room acoustics is most likely your root problem.
Thanks for your inuput. But the eq in my receiver is very basic and has gotten me very Close to my desired response. Wouldn't a more advanced equaliser with more bands and being able to adjust say 12 db instead off 6 db be a huge difference? I could post some responses from my speakers on here if anyone wants to see. Y'all are the experts not me.

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post #9 of 20 Old 08-08-2019, 07:35 AM - Thread Starter
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Pic 1: front left and right, green is left and red is right
Pic 2: Center
Pic 3: Surrounds, right is red and green is left
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post #10 of 20 Old 08-08-2019, 03:32 PM - Thread Starter
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Originally Posted by Droidboi View Post
Pic 1: front left and right, green is left and red is right
Pic 2: Center
Pic 3: Surrounds, right is red and green is left
After going on a really long search on the internet it seems like what i want to do is impossible? 5.1 equalisers do seem to exist but connecting them to a reciever and to use all 5 channels seems to be impossible? Please correct me if I am wrong.
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post #11 of 20 Old 08-09-2019, 06:11 AM
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The NanoAVR you mentioned is a stand-alone processor with the signal chain (in/out) via HDMI. While it could work to give you manual control on top of its own calibration, it could limit you on connecting your sources (if you use more than one).

Your AVR, if it has a calibration feature, it applies some equalization as a result, even if you may not have access to alter its equalization curves.
The limitations you may experience could be (as suggested earlier) the room layout and speakers placement. I think you can only do so much with calibration against some setups.


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post #12 of 20 Old 08-09-2019, 10:15 AM
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Originally Posted by Droidboi View Post
Pic 1: front left and right, green is left and red is right
Pic 2: Center
Pic 3: Surrounds, right is red and green is left
With 20dB steps on the left hand side of the graph, your response looks to be incredibly flat. Re-post those graphs with (the more realistic) 5dB steps, and you will get a better idea of what your response actually looks like. Set the upper/lower limit to 105dB/45dB and that should get you close.
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post #13 of 20 Old 08-09-2019, 10:17 AM
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Quote:
Originally Posted by viorel View Post
The NanoAVR you mentioned is a stand-alone processor with the signal chain (in/out) via HDMI. While it could work to give you manual control on top of its own calibration, it could limit you on connecting your sources (if you use more than one).

Your AVR, if it has a calibration feature, it applies some equalization as a result, even if you may not have access to alter its equalization curves.
The limitations you may experience could be (as suggested earlier) the room layout and speakers placement. I think you can only do so much with calibration against some setups.


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Agreed.

A good rule to follow is, the less EQ, the better. Whatever you can accomplish with speaker placement and room treatment is much preferred over resorting to EQ.
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post #14 of 20 Old 08-11-2019, 06:56 AM - Thread Starter
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Originally Posted by Alan P View Post
With 20dB steps on the left hand side of the graph, your response looks to be incredibly flat. Re-post those graphs with (the more realistic) 5dB steps, and you will get a better idea of what your response actually looks like. Set the upper/lower limit to 105dB/45dB and that should get you close.
Not sure if i did this right
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post #15 of 20 Old 08-12-2019, 09:52 AM
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^^^

You must have your monitor set to a pretty high resolution. You will have to play with the upper and lower limits to get 5dB steps. Those graphs have 2dB steps which is too fine of a gradation.

Also, you somehow changed the Frequency Axis from logarithmic to linear (squishing the frequency bands too tightly together), that setting should stay on logarithmic. Press the Freq. Axis button in the upper right to toggle between the two.
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post #16 of 20 Old 08-16-2019, 07:47 AM - Thread Starter
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^^^

You must have your monitor set to a pretty high resolution. You will have to play with the upper and lower limits to get 5dB steps. Those graphs have 2dB steps which is too fine of a gradation.

Also, you somehow changed the Frequency Axis from logarithmic to linear (squishing the frequency bands too tightly together), that setting should stay on logarithmic. Press the Freq. Axis button in the upper right to toggle between the two.
After a few Days of thinking i do want to get some bass traps My room is 9x9 how many of those do you Think i need? Also sorry for being inactive for a couple of Days i have been scratching my head over this. Recommendation off how many i would need and which ones would be great
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post #17 of 20 Old 08-16-2019, 08:08 AM
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Check out GIK Acoustics. If you want to go all out, fill every corner in the room with Tr-Traps, cover the wall/ceiling junctions with the Soffit Traps, and place some Monster Bass Traps on the walls around the room. You can start with just a few, anything is better than nothing.

Would still like to see your response with the correct scaling. Alternately, you could upload your MDAT file to a file sharing site like DropBox and share it here.
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post #18 of 20 Old 08-17-2019, 05:45 AM - Thread Starter
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Originally Posted by Alan P View Post
Check out GIK Acoustics. If you want to go all out, fill every corner in the room with Tr-Traps, cover the wall/ceiling junctions with the Soffit Traps, and place some Monster Bass Traps on the walls around the room. You can start with just a few, anything is better than nothing.

Would still like to see your response with the correct scaling. Alternately, you could upload your MDAT file to a file sharing site like DropBox and share it here.
I Think i have sone problems. I have a closet in the right corner off my room. It's a mirror that you can drag to the side which i can not move. The back left corner is by the door so would there be a way for me to get around those without getting rid off them? Or if i were to treat only 2 corners+ maybe some other places would that still be a big improvement or?
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post #19 of 20 Old 08-17-2019, 05:55 AM - Thread Starter
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Originally Posted by Alan P View Post
Check out GIK Acoustics. If you want to go all out, fill every corner in the room with Tr-Traps, cover the wall/ceiling junctions with the Soffit Traps, and place some Monster Bass Traps on the walls around the room. You can start with just a few, anything is better than nothing.

Would still like to see your response with the correct scaling. Alternately, you could upload your MDAT file to a file sharing site like DropBox and share it here.
Surely this is good enough. That's the center
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post #20 of 20 Old 08-19-2019, 09:12 AM
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Surely this is good enough. That's the center
Please share your MDAT.
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