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The New Master List of BASS in Movies with Frequency Charts - Page 304

post #9091 of 16118
Quote:
Originally Posted by jlpowell84 View Post

I thought corners were a good place to begin with?

I originally was thinking mid side wall placement but during my "crawl" the four corners were the obvious location with the two rear corners being best. But each room is different.
post #9092 of 16118
Quote:
Originally Posted by BobL View Post

There are a lot of good articles on subs and placement.  Many of the articles do not always take into account real world scenarios and use the perfect rectangular room as an example.  Room modes exist in every room and are based off the dimensions of the room.  How you place the subwoofer is going to determine how these modes get excited.  Corner placement excites the modes the most and will give the biggest peaks and nulls.  This often causes very uneven bass amongst the various seats in the listening area.  There are advantages to corner placement though such as increased output because it is reinforced by three surfaces.

 

 To even out some of these room modes you can place the sub in the null for the room modes.  If  this is done for the length and width dimensions it would be somewhere in the middle of the room and to do it for height it would have to elevated.  Placing the sub in the middle of the room is not always practical, plus it is only reinforced by the floor so output is considerably less than near a wall.  This is the reasons 2 or more subs are used is it allows us to get more even bass response in the listening area without placing the sub in the middle of the room.  EQ out any peaks.

 

 Since many will not use two or more subs here is some practical advice.  First if possible do not place seating in a null, near the walls or corner.  It is not just about sub placement but about seating placement too.  Avoid bad seating locations when possible, moving the seating 6" or 1 foot can often make a difference.  Don't worry about and bass areas if there is no seating there.

 

As far as where to place the sub?  Well, it depends.  Let's say someone builds a bunker for their HT and they are using some massive sub that easily outperforms their speakers.  This sub is used to by the military to explode mines at a distance.  Then place the sub in at least one of the nulls and try to reduce the room modes.  You don't need to maximize the output.  A lot of people buy HUGE subs and don't have speakers to match.  Who cares if your subs go to 130db if your speakers only go to 95db.  Many large subs do help with low frequency extension but it still has to be balanced with the system.

 

 The second scenario is the interior decorator (or spouse) makes you use this tiny sub that looks like it would be too small for a chihuahua dog house.  And this is going into some big great room that is open to other parts of the house. In this case placing the sub in the corner to maximize the output would be highly suggested even with though exciting all the room modes.

 

 Now a lot of people fall somewhere in the middle and so should the sub.  I'd keep the sub in the front 1/4 of the room, either on the side or front walls.  Although bass frequencies are omni directional and can't be localized, the sub or other objects in the room may resonate at higher frequencies from the subs output making it localizable.  There is nothing wrong with placing it at other parts of the room but these resonances often happen in average rooms and you would have to try to see if it is localizable.  You'll have to measure or do the sub crawl method to find the best location for it.  Avoid nulls and EQ the peaks.

 

 You'll have to set phase and levels correctly.  Be concerned with phase and level at the crossover point.  Don't set crossovers too low, I doesn't matter if your speakers can go lower.  It is about getting the best integration in the room.  Most room this will fall between 80-100hz.  By setting your crossover to 40-60hz because your speakers go lower might give worse sound.  The speakers now excited the room modes because your speakers are not in a good location for bass frequencies.  Plus you changed the SBIR frequency for your speakers and sub and that needs to be corrected.   The crossover is not a cut off, frequencies below your crossover point will still go to the speakers. There are a lot of reasons to not set your crossover too low.

 

It takes a little patience to get the subs integrated well but it is worth the time.

 

Lots of good points, I used two subs used the crawl method first with the kids and found the best location for each right by the two B&W 800Diamond in the front :)

post #9093 of 16118
Quote:
Originally Posted by jlpowell84 View Post

I thought corners were a good place to begin with?
Yep! that is where mine are. I had my XV-30's near field, pretty much in my lap in my seating position. Moved them to the corners for space reasons and just could not believe the difference, unbelievable results.
post #9094 of 16118
Quote:
Originally Posted by Reefdvr27 View Post

Yep! that is where mine are. I had my XV-30's near field, pretty much in my lap in my seating position. Moved them to the corners for space reasons and just could not believe the difference, unbelievable results.
Really? I had mine corner loaded first then put near field. Love it near field!
post #9095 of 16118
Quote:
Originally Posted by Reefdvr27 View Post

Yep! that is where mine are. I had my XV-30's near field, pretty much in my lap in my seating position. Moved them to the corners for space reasons and just could not believe the difference, unbelievable results.

Quote:
Originally Posted by SmokenAshes View Post

Really? I had mine corner loaded first then put near field. Love it near field!
Maybe we oughtta run a poll. I've tried both and in my room, corner is mucho much better.
post #9096 of 16118
^well with every room being different it's not a 1 vs 2 type of thing. smile.gif
post #9097 of 16118
Total Recall 2012 is only 4 stars....whaaaaaaat? Cmon that has allot of freaking bass, more so than some 5 star movies.
post #9098 of 16118
Quote:
Originally Posted by Torqdog View Post

Quote:
Originally Posted by Reefdvr27 View Post

Yep! that is where mine are. I had my XV-30's near field, pretty much in my lap in my seating position. Moved them to the corners for space reasons and just could not believe the difference, unbelievable results.

Quote:
Originally Posted by SmokenAshes View Post

Really? I had mine corner loaded first then put near field. Love it near field!
Maybe we oughtta run a poll. I've tried both and in my room, corner is mucho much better.

The poll would only be meaningful if we all had the same sub(s), room and furnishings, and wanted to see who chose what.
post #9099 of 16118
Quote:
Originally Posted by lovinthehd View Post

The poll would only be meaningful if we all had the same sub(s), room and furnishings, and wanted to see who chose what.

True, the best is to place the sub in your seat, p,ay music with low bass and crawl around! It worked it took me a while to do this for what ever reason but it works:)
post #9100 of 16118
Quote:
Originally Posted by wse View Post

True, the best is to place the sub in your seat, p,ay music with low bass and crawl around! It worked it took me a while to do this for what ever reason but it works:)

What do the guys do who have Orbit Shifters?eek.gif
post #9101 of 16118
Quote:
Originally Posted by jlpowell84 View Post

What do the guys do who have Orbit Shifters?eek.gif
Furniture sliders under the feet works great. smile.gif
post #9102 of 16118
Quote:
Originally Posted by Torqdog View Post

Furniture sliders under the feet works great. smile.gif

Right...I was just envisioning an Orbit Shifter sitting on the couch in the MLP. I guess 200lbs is a person...
post #9103 of 16118

I could not put my JL AUDIO F113 on the seat itself

post #9104 of 16118
^I was just havin fun! biggrin.gif
post #9105 of 16118
Quote:
Originally Posted by jlpowell84 View Post

Right...I was just envisioning an Orbit Shifter sitting on the couch in the MLP. I guess 200lbs is a person...
I was thinking in terms of lateral movement and completely forgot about elevation. Dopey me!
A scissor jack intended for elevating people might work. biggrin.gif

Quote:
Originally Posted by jlpowell84 View Post

^I was just havin fun! biggrin.gif
Ar-ar-ar, tee-hee, ho-ho, ha-ha! biggrin.gif
post #9106 of 16118
The XV30 would be no fun either putting on the couch. Its 160lbs!!
post #9107 of 16118
Quote:
Originally Posted by jlpowell84 View Post^I was just havin fun! biggrin.gif

Yes I understand but supposedly you should elevate the subs!! God luck with that one!

post #9108 of 16118
Quote:
Originally Posted by wse View Post

Quote:
Originally Posted by lovinthehd View Post

The poll would only be meaningful if we all had the same sub(s), room and furnishings, and wanted to see who chose what.

True, the best is to place the sub in your seat, p,ay music with low bass and crawl around! It worked it took me a while to do this for what ever reason but it works:)

Sub crawl is only so useful. Besides, putting a 120 lb sub in my seat is kinda hard by myself.
post #9109 of 16118
Quote:
Originally Posted by lovinthehd View Post

Sub crawl is only so useful. Besides, putting a 120 lb sub in my seat is kinda hard by myself.

Agreed it's just a first step smile.gif just like speaker placement!
post #9110 of 16118
Quote:
Originally Posted by lovinthehd View Post

Sub crawl is only so useful. Besides, putting a 120 lb sub in my seat is kinda hard by myself.

Agreed lol. I don't think my chair would have appreciated these, let alone my back.

post #9111 of 16118
My DXD12012 is corner loaded and is designed to work there at its best at 2-4 inches from the side and rear wall, it achieves a lock on the room and blends like a charm with any speaker in my 5.1 setup , and on 2/ch its' a Ninja dropping a smoke grenade and disappears.

Man I love this sub

cool.gif
post #9112 of 16118
Quote:
Originally Posted by bass addict View Post

Agreed lol. I don't think my chair would have appreciated these, let alone my back.

It's just a hernia or two. Don't be such a sissy.
post #9113 of 16118

No offense to anyone here but it appears some of you have spent a fair amount on subs and HT, allocate another $200 for some basic test equipment and don't break your back doing the crawl methodsmile.gif  You can then put our sub on a dolly and do some testing.

 

True RTA or Real time EQ Wizard with some inexpensive microphones will work fine for this.

post #9114 of 16118
Quote:
Originally Posted by BobL View Post

No offense to anyone here but it appears some of you have spent a fair amount on subs and HT, allocate another $200 for some basic test equipment and don't break your back doing the crawl method:)   You can then put our sub on a dolly and do some testing.

True RTA or Real time EQ Wizard with some inexpensive microphones will work fine for this.

Agreed. The sub crawl is still a guessing game to some degree and until you actually test and measure all the various options in your room, you won't know for sure which sub location spot is best relative to the LP. In my room for example the spot I always thought was best was not when I finally measured with my SMS. In my room there was no single great position since each had compromises which is why I had to move to multiple subs which got me what I wanted.
post #9115 of 16118
Quote:
Originally Posted by ambesolman View Post

It's just a hernia or two. Don't be such a sissy.

LOL. I actually wrestled both of these up on the stage by myself. At 400+ lbs, it's a miracle I didn't get one.
post #9116 of 16118
Discussion about Pacific Rim from Sound and Vision.
"The Jaeger footsteps were tremendous. When this goes to Bluray, there are going to be some blown subwoofers out there."
http://www.soundandvisionmag.com/blog/2013/07/12/movie-premiere-pacific-rim
post #9117 of 16118
Quote:
Originally Posted by ambesolman View Post

Discussion about Pacific Rim from Sound and Vision.
"The Jaeger footsteps were tremendous. When this goes to Bluray, there are going to be some blown subwoofers out there."
http://www.soundandvisionmag.com/blog/2013/07/12/movie-premiere-pacific-rim
Interesting back and forth between Ken and Leslie. I've never seen a review done quite like that before.
post #9118 of 16118
Quote:
Originally Posted by audiofan1 View Post

Any Superman fans? if so, there's an animation out for 2013 called "Superman Unbound" on bluray with a blistering DTS MA soundtrack. And if you just love deep powerful bass I insist you check this out wink.gif

I didn't think it was that great (very low level, requiring you to run hot hot hot to make it worthwhile), and it's a terrible movie, but if you can give me some exact timestamps I can graph them for you from its DTS-MA mix.

Quote:
Originally Posted by SmokenAshes View Post

Total Recall 2012 is only 4 stars....whaaaaaaat? Cmon that has allot of freaking bass, more so than some 5 star movies.

That's partially why these purely subjective ratings are inadequate. Over at Data-Bass, it's been measured and verified as a 4.25 star movie - definitely not above or on par with any real 5 star movies. wink.gif See for yourself:

http://data-bass.ipbhost.com/index.php?/topic/12-the-low-frequency-content-thread-films-games-music-etc/page-21#entry567
Edited by nube - 7/13/13 at 4:35pm
post #9119 of 16118
Quote:
Originally Posted by ambesolman View Post

Discussion about Pacific Rim from Sound and Vision.
"The Jaeger footsteps were tremendous. When this goes to Bluray, there are going to be some blown subwoofers out there."
http://www.soundandvisionmag.com/blog/2013/07/12/movie-premiere-pacific-rim

I have a hunch it will be/is filtered :S
post #9120 of 16118
Quote:
Originally Posted by Oklahoma Wolf View Post

Oz - 4.5 stars on the bass for sure. This one lived up to the hype - the audio is really as good as it gets. Certainly as good as I've ever heard it.

Very glad I bought this movie.

Just watched Oz this evening. I was fairly impressed, but not blown away. The final fight scene at the end between the two witches had some wicked biggrin.gif bass in it. I'd swear my walls were rippling on that one.
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