Do many of you turn up your subs too loud? - AVS Forum
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post #1 of 14 Old 03-04-2013, 04:46 PM - Thread Starter
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After calibrating my speakers I notice that if I turn my sub up to loud I cannot hear a lot of the more subtle details in the sound. So I keep my sub volume low enough so I can still hear those subtle sounds. I've listen to many of the good LFE scenes and although they sound good they don't sound as loud as many of you have described.
How do you find a good balance between bass and detail?
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post #2 of 14 Old 03-04-2013, 05:00 PM
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Quote:
Originally Posted by Jeremy Wadian View Post

After calibrating my speakers I notice that if I turn my sub up to loud I cannot hear a lot of the more subtle details in the sound. So I keep my sub volume low enough so I can still hear those subtle sounds. I've listen to many of the good LFE scenes and although they sound good they don't sound as loud as many of you have described.
How do you find a good balance between bass and detail?

What sub / set up? I assume you are calibrating by using a room correction like Audyssey/MCACC/YPAO?

No subwoofer I've heard has been able to produce the bass I've experienced in the Corps!

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post #3 of 14 Old 03-04-2013, 05:03 PM - Thread Starter
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It's a Bic America F12 calibrated with the Digital Video Essentials DVD and I did compensate for the incorrect LFE track by calibrating the sub at 85db.
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post #4 of 14 Old 03-04-2013, 05:09 PM
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I have the opposite tendency. When I adjust the sub volume directly at the sub and just listen for when it sounds best, I've found several times that I've turned the sub down completely. Can't have that. So now, as I adjust the sub's volume knob while listening to music with some bass, I rest the tips of my fingers on the grill to feel the vibration, and if I can't feel anything, I advance the volume until the vibes return.

I know this is not standard practice, but when the volume seems as good as I can get it, but I still don't like the amount of bass I hear, I turn the sub's crossover control down, until I still feel some bass but it no longer sounds excessive.

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post #5 of 14 Old 03-04-2013, 05:20 PM - Thread Starter
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I was listening watching/listening to the scene in the beginning of Lord of The Rings:FOTR when Sauron explodes and there's that great bass drop. Before he explodes he sends men flying through the air with a swipe of his sword. When my sub isn't to loud I can hear the men flying through the air and actually fly up and back down. But if I turn up the sub enough to really feel the bass I can't hear the men flying through the air as good. That's the best example I can give.
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post #6 of 14 Old 03-04-2013, 08:32 PM
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Quote:
Originally Posted by GregLee View Post

I have the opposite tendency. When I adjust the sub volume directly at the sub and just listen for when it sounds best, I've found several times that I've turned the sub down completely. Can't have that. So now, as I adjust the sub's volume knob while listening to music with some bass, I rest the tips of my fingers on the grill to feel the vibration, and if I can't feel anything, I advance the volume until the vibes return.

I know this is not standard practice, but when the volume seems as good as I can get it, but I still don't like the amount of bass I hear, I turn the sub's crossover control down, until I still feel some bass but it no longer sounds excessive.

I like this answer. People who do not have a general understanding of sub woofer function, I my experience, tend to simply turn up the gain too much. Then during the next heavy bass scene in a movie I hear overkill and distortion. If setting manually, put on a scene that you know has the heaviest bass and set the sub accordingly.

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post #7 of 14 Old 03-05-2013, 10:58 AM
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You may try the distance setting, which in essence is the time/signal alignment between your mains an sub.

It may be a destructive phase relationship issue ... when you measured, did you have a smooth transition to your mains?

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post #8 of 14 Old 03-05-2013, 11:20 AM
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Some of you guys need to go here and read on how to setup your subwoofer(s), http://www.avsforum.com/t/824554/setting-up-your-home-theater-101
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post #9 of 14 Old 03-05-2013, 12:20 PM
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Originally Posted by bsoko2 View Post

Some of you guys need to go here and read on how to setup your subwoofer(s), http://www.avsforum.com/t/824554/setting-up-your-home-theater-101
I followed your link and got to this interesting article, http://www.audioholics.com/tweaks/get-good-bass/an-easy-solution-to-subwoofer-calibration, where it is recommended to turn up the sub's volume until Garrison Keillor's voice loses its nasality. I never heard that one.

For my most recent calibration, I left the volume setting of two of my subs up to MCACC, the Pioneer calibration program, and I think it did fine. However, my third sub is slightly broken -- its line level input doesn't work, and I have to connect it by the receiver's front high-level speaker terminals, so I have to set the volume manually.

I suppose we all know that there is a subwoofer forum here.

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post #10 of 14 Old 03-05-2013, 12:26 PM
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OP, I think you're simply dealing with the limitations of the Bic F12. I had the F12 for over a year and found the same problem you did. That while the bass was good at low to medium volumes, the louder more desired volumes produced boomy bass. It did well with movies as it's sometimes hard to distinguish the lower bass notes in LFE. But music could only be listened to at somewhat low/medium volume levels. Really cranking the sub up with bass heavy music resulted in the typical "one-note" bassline.

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post #11 of 14 Old 03-05-2013, 04:41 PM
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3 words - Power Sound Audio.







That is all. biggrin.gif
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post #12 of 14 Old 03-06-2013, 10:45 AM
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Quote:
Originally Posted by Jeremy Wadian View Post

and I did compensate for the incorrect LFE track by calibrating the sub at 85db.

Does this mean you calibrated the rest of the speakers to 75 dB?

I think this may lead to too much sound from the sub. The 10 dB correction is part of the AVR. Does the calibration disk already compensate for this 10 dB?
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post #13 of 14 Old 03-06-2013, 12:32 PM
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This is a common problem IMO.

What I did is to install a VCA box in the sub woofer line input that is controllable from my IPAD running Irule. There is a calibrated default but I can also tweak it as needed based on the program mix.

You could make such a system yourself with an old AV receiver by feeding the sub signal through the unit and using the headphone output* to feed the powered subs. Ideally if the AV receiver has a post volume control preamp output, that would be ideal.

*Or the speaker terminals but with a 100ohm load and 10K series resistor to make it line level. Also some powered subs will take speaker level inputs directly. Just make sure you put at least a 100ohm 1/2watt load resistor on the amp feeding the sub.

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post #14 of 14 Old 03-06-2013, 04:04 PM
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Quote:
Originally Posted by Alan P View Post

3 words - Power Sound Audio.







That is all. biggrin.gif


How about one word, Submersive!
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