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post #7591 of 7613 Old 06-17-2017, 04:52 AM
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I wonder how many have f'd up their subs playing that!!!


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post #7592 of 7613 Old 06-17-2017, 04:56 AM
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Originally Posted by Falconsfan71 View Post
I wonder how many have f'd up their subs playing that!!!


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As long as the sub is dialed in, you should be fine. Just don't crank the crap out of it by raising the gain and/or bass trim on the AVR. You just have to know your subs limits by tweaking w/ it.
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post #7593 of 7613 Old 06-17-2017, 05:09 AM
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If you don't already have it, get Underworld Awakening Blu Ray. That's a great movie to test out your sub, as it has some great LFE. I've often used the giant Lycan scene to test subwoofers I've had in the past.
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post #7594 of 7613 Old 06-17-2017, 05:38 AM
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Quote:
Originally Posted by MIX_MASTER_ICE View Post
If you don't already have it, get Underworld Awakening Blu Ray. That's a great movie to test out your sub, as it has some great LFE. I've often used the giant Lycan scene to test subwoofers I've had in the past.


I'm waiting for the whole set of Underworld to be out on Blu-ray to buy them. I can watch those over and over and I love Kate Beckinsale… Oh yeah!


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post #7595 of 7613 Old 06-17-2017, 05:42 AM
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Originally Posted by Falconsfan71 View Post
I'm waiting for the whole set of Underworld to be out on Blu-ray to buy them. I can watch those over and over and I love Kate Beckinsale… Oh yeah!


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It is out:

http://www.blu-ray.com/movies/Underw...lu-ray/175354/

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post #7596 of 7613 Old 06-17-2017, 05:42 AM
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Originally Posted by LFE Junkie View Post
As long as the sub is dialed in, you should be fine. Just don't crank the crap out of it by raising the gain and/or bass trim on the AVR. You just have to know your subs limits by tweaking w/ it.


Maybe I have my subs too hot as you call it and not know it. Using my Umik mic and the SPL meter in REW all of my speakers are at 75db using the AVR test tones and each sub is around 80db and combined they are around 83 to 84db.


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post #7597 of 7613 Old 06-17-2017, 05:45 AM
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Quote:
Originally Posted by Falconsfan71 View Post
Maybe I have my subs too hot as you call it and not know it. Using my Umik mic and the SPL meter in REW all of my speakers are at 75db using the AVR test tones and each sub is around 80db and combined they are around 83 to 84db.


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That sounds ok. Where is your gain knob on the sub at and what is your subs set at in the AVR?

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post #7598 of 7613 Old 06-17-2017, 05:45 AM
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Originally Posted by LFE Junkie View Post


I'm sorry.. I meant Blood Wars...


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post #7599 of 7613 Old 06-17-2017, 05:48 AM
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Originally Posted by LFE Junkie View Post
That sounds ok. Where is your gain knob on the sub at and what is your subs set at in the AVR?


The gain knobs on the subs are around 11 o'clock and after calibration they were at -6db in the AVR and I bumped it -3db. But watching Transformers: Age of Extinction I had to turn it down to -6db.


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post #7600 of 7613 Old 06-17-2017, 05:49 AM
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Quote:
Originally Posted by Falconsfan71 View Post
The gain knobs on the subs are around 11 o'clock and after calibration they were at -6db in the AVR and I bumped it -3db. But watching Transformers: Age of Extinction I had to turn it down to -6db.


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That sounds about perfect. You may have just simply had the volume up tooo loud for that scene. To be honest, i actually hate that scene and i use numerous other movies to show off my subs. War of the Worlds (pod emerge), Episode II (asteroid field), Tron Legacy (motorbikes), Flight of the Phoenix (plane going down), etc.

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post #7601 of 7613 Old 06-17-2017, 06:14 AM
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Quote:
Originally Posted by Falconsfan71 View Post
Does that mean these $1,600 dual 15" subs can't handle the opening scene of Edge of Tomorrow?
No it means you have them turned up too high.

Your description of the "sound" you heard is lacking. "Awful sound" tells us nothing.

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Originally Posted by Falconsfan71 View Post
I wonder why they make that scene so low then when 95% or more of the subs people purchase can't play that low!
They don't. The TrueHD or MA HD soundtrack is probably just what the director wanted, it was in the theaters, and most likely they didn't remix it for home video. If you play it with equipment that can do it, great; if your equipment can't, no biggie you still get the mix above that freq. Frankly, I couldn't say I'm "missing something" critical if they use a 10 Hz tone. For me 10 Hz hardly adds something to the film. By itself, it's worthless. What you want to HEAR from a film are sounds, not feel the building around you resonate. The building around me is not in the film.

Don't try to make your HT do everything for every film. Even if you buy equipment that can do that, your room will then become the weak link. See the section where members are building true "home theaters" with wall treatments, etc. Some members' rooms blow my mind.



Speaking of SW EP II, I thought the opening with the Senator's ship coming in to Coruscant had great LF bass. I had already got rid of my disc before I got my HSU maybe I should get it from the library…. Naw, there are plenty of other films with ULF to savor.

Funny how people keep listing these films with boom crash thud whomp ULF ... scenes in MIDNIGHT SPECIAL that had subtle, insidious ULF bass almost scared me, normally my HSU is contributing to things but scenes in that film had me a little worried as the HSU was doing some serious work in its corner.

Another good test: SW Ep IV when the Millenium Falcon is being drawn into the Death Star, and Han Solo shuts down the engines. Nice subtle throbbing sound that gets lower, and lower, and lower… Not there in the LaserDisc mix, it was added for the Special Edition at some point.
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post #7602 of 7613 Old 06-17-2017, 07:26 AM
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Originally Posted by LFE Junkie View Post
So HT Enthusiasts can talk about it and go out and by the bluray .
Nah, it's a conspiracy with the ID companies to make us buy more/bigger subwoofers.

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post #7603 of 7613 Old 06-17-2017, 09:13 AM
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Originally Posted by Falconsfan71 View Post
Ok so.. I got the bluray movie "Edge of Tomorrow".. well my girlfriend got it for me. I put the volume on -20db on the AVR and when it got low at the beginning of the movie it was making an awful sound. I am assuming that is what you call port chuffing. How do you fix that? I didn't even have it turned up that loud.
The LFE of the opening scene on the Edge of Tomorrow soundtrack is notorious. Its frequencies are less than 10Hz. My dual Rythmik FV18s handle the scene fine, at least down to their 12Hz tuning frequency, but my multipurpose family room doesn't. That scene makes the plantation shutters over my family room's windows vibrate noisily, as it does the door leading into the master bedroom. I can't think of any other movie that has LFE, which is anywhere near as demanding as the LFE in that scene.
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post #7604 of 7613 Old 06-17-2017, 04:25 PM
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Quote:
Originally Posted by Falconsfan71 View Post
Ok so.. I got the bluray movie "Edge of Tomorrow".. well my girlfriend got it for me. I put the volume on -20db on the AVR and when it got low at the beginning of the movie it was making an awful sound. I am assuming that is what you call port chuffing. How do you fix that? I didn't even have it turned up that loud.


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Ya, no kidding it was making noises! It a notorious, super low frequency sine wave that will make subs that are capable of digging that deep respond accordingly... and your subwoofer driver is responding by having a ton of in and out excursion.. which will move LOTS of air.. and with that much air being moved, your ports will chuff a bit... not unusual and frankly to be expected with that particular sound effect in that movie.
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post #7605 of 7613 Old 06-18-2017, 12:14 PM
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Quick Question--just making sure

Hi Hsu experts,

I've been operating under an assumption that I think is correct, but I'd like to make sure.

When I bypass the crossover on my Hsu subwoofer (crossover "out") then the crossover being used is whatever I've set in my AVR, correct?
Or to put it another way-- when the crossover switch is toggled to "out," it doesn't matter what the dial is set to, right?
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post #7606 of 7613 Old 06-18-2017, 12:53 PM
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Originally Posted by maestro50 View Post
Hi Hsu experts,

I've been operating under an assumption that I think is correct, but I'd like to make sure.

When I bypass the crossover on my Hsu subwoofer (crossover "out") then the crossover being used is whatever I've set in my AVR, correct?
Or to put it another way-- when the crossover switch is toggled to "out," it doesn't matter what the dial is set to, right?


Yes.. if it's switched to "OUT" then the crossover dial on the back of the sub makes no difference and the sub is set to whatever the crossover is in the AVR. But, the other knobs are active such as Phase, EQ, and Q Control depending on the sub.


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post #7607 of 7613 Old 06-18-2017, 01:08 PM
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Quote:
Originally Posted by Falconsfan71 View Post
Yes.. if it's switched to "OUT" then the crossover dial on the back of the sub makes no difference and the sub is set to whatever the crossover is in the AVR. But, the other knobs are active such as Phase, EQ, and Q Control depending on the sub.


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Understood.
Thank you for the affirmation and clarification.
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post #7608 of 7613 Old Today, 05:43 AM
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Quote:
Originally Posted by Falconsfan71 View Post
Yes.. if it's switched to "OUT" then the crossover dial on the back of the sub makes no difference and the sub is set to whatever the crossover is in the AVR. But, the other knobs are active such as Phase, EQ, and Q Control depending on the sub.


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Hey, how did you have your subs set during Edge of Tomorrow when you heard the horrible sound? I've watched the same movie with both ports open, eq2 and didn't experience what you describe. Could be the earlier roll off with eq2. You probably know, but make sure you're always on eq2 if you run both ports open. EQ1 can damage the driver in that configuration.
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Quote:
Originally Posted by Pogre View Post
Hey, how did you have your subs set during Edge of Tomorrow when you heard the horrible sound? I've watched the same movie with both ports open, eq2 and didn't experience what you describe. Could be the earlier roll off with eq2. You probably know, but make sure you're always on eq2 if you run both ports open. EQ1 can damage the driver in that configuration.


When I first watched the beginning of EOT it was in one port mode.. that's why. Normally, I have them set to left port open, EQ1, and Q @ 0.7...


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Quote:
Originally Posted by Falconsfan71 View Post
When I first watched the beginning of EOT it was in one port mode.. that's why. Normally, I have them set to left port open, EQ1, and Q @ 0.7...


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Have you experimented with 2 ports open? I had mine set the same as you do now at first. I still have q 0.7, but now I go with both ports open, eq2. My subs are pressuring around 5900^3 in my listening area. I really like that little bit of extra headroom. I don't really even miss the subsonic frequencies at all for music or even movies. Give it a shot for a day or 2 and see what you think. For me the difference was just more clean bass presence. Not boomy at all.
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The low frequency roll off with EQ2 really allows my VTF-3 MK5's to be driven harder. It always seems to be sub 20hz chuffing that I notice when in one port EQ1 that limits how loud I can play them. With both ports open running in EQ2 I can run them louder without issue, but of course it's a trade off as the sub 20hz frequencies are not as loud when running both ports open/EQ2.
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Quote:
Originally Posted by TheCarFather View Post
The low frequency roll off with EQ2 really allows my VTF-3 MK5's to be driven harder. It always seems to be sub 20hz chuffing that I notice when in one port EQ1 that limits how loud I can play them. With both ports open running in EQ2 I can run them louder without issue, but of course it's a trade off as the sub 20hz frequencies are not as loud when running both ports open/EQ2.
It is true about the tradeoff. For me it's mostly music. I love watching a good movie or a few shows too, but I listen to a lot of music. There just isn't a lot of stuff out there using subsonic frequencies. The tradeoff works in my situation. There's definitely an audible bump in the 20Hz (anything below is inaudible anyway) and up frequencies.

Flat down to 20hz is plenty, IMO.

*Edit: The green is my bass response from where I sit. It's a before and after overlay.
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