The Official HSU VTF-15H Thread - Page 171 - AVS | Home Theater Discussions And Reviews
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Subwoofers, Bass, and Transducers > The Official HSU VTF-15H Thread
Inspector 24's Avatar Inspector 24 10:27 PM 04-19-2014
Every room and set of ears is different. smile.gif

tanwn1's Avatar tanwn1 05:46 AM 04-22-2014
Placing the woofer facing the wall means distance from woofer to wall is not a few inches closer. Therefore bass should increase.
Legairre's Avatar Legairre 10:05 AM 04-22-2014
Quote:
Originally Posted by tanwn1 View Post

Placing the woofer facing the wall means distance from woofer to wall is not a few inches closer. Therefore bass should increase.
It didn't increase the bass in my room. I ran Anthem's frequency sweeps graph front facing and with the woofer facing 3" from the wall and both graphs are the same. I agree that every room is different but in my room it didn't matter which way I turned the sub.
derrickdj1's Avatar derrickdj1 12:52 PM 04-22-2014
Facing the woofer toward the wall loads the driver for increased efficiency of the driver. Deep bass is omnidirectional I am not surprised at the results.
Prime316's Avatar Prime316 04:01 PM 04-22-2014
All I can say is.....Perception is reality.

I didn't have to measure anything to tell that there was no difference in my theater because if I had to actually measure to even possibly tell that there was a difference then there effectively wasn't one.
jlpowell84's Avatar jlpowell84 09:02 PM 04-29-2014
Quote:
Originally Posted by derrickdj1 View Post

Facing the woofer toward the wall loads the driver for increased efficiency of the driver. Deep bass is omnidirectional I am not surprised at the results.

The whole thing about all this sub in the corner facing the wall is that corners (most of the time) are not the best places for placement. I would take a better response over a few more SPL anyday
jlpowell84's Avatar jlpowell84 09:08 PM 04-29-2014
Quote:
Originally Posted by Prime316 View Post

All I can say is.....Perception is reality.

I didn't have to measure anything to tell that there was no difference in my theater because if I had to actually measure to even possibly tell that there was a difference then there effectively wasn't one.

A lot of truth in this! I got really very extremely frustrated with REW a couple weeks ago. I admit many times the graphs looked better whether it be FR response, time domain issues or specular reflections when I felt I was telling myself it sounded better because the graph looked better. Honest truth for real. But I will say that finding the best place that yielded the best Raw response for both subs was a huge improvement and for that reason I will always measure.

I have recently done DIY 4 inch reflection panels for sidewalls and the ceiling I have a big one (juan). Also a couple 15x15x48 soffit traps in each corner. I placed the reflection panels using the mirror technique and I can tell clarity has improved, especially center channel vocals in movies. But my Denon 4520 arrives this week and I am not sure yet to be honest if I will get deep into measuring with REW I may just do basic sub EQ for my mini dsp and call the rest good with XT32
Inspector 24's Avatar Inspector 24 09:34 PM 04-29-2014
Quote:
Originally Posted by jlpowell84 View Post

Quote:
Originally Posted by derrickdj1 View Post

Facing the woofer toward the wall loads the driver for increased efficiency of the driver. Deep bass is omnidirectional I am not surprised at the results.

The whole thing about all this sub in the corner facing the wall is that corners (most of the time) are not the best places for placement. I would take a better response over a few more SPL anyday

My ear would agree with you. I've rarely liked corner sub placement, finding it one note bass, boomy, undefended and...gargly... 1/4 and mid wall always sounds better to me and is much cleaner, smoother and broader, if not as hard hitting.
Prime316's Avatar Prime316 09:40 PM 04-29-2014
Quote:
Originally Posted by jlpowell84 View Post

A lot of truth in this! I got really very extremely frustrated with REW a couple weeks ago. I admit many times the graphs looked better whether it be FR response, time domain issues or specular reflections when I felt I was telling myself it sounded better because the graph looked better. Honest truth for real. But I will say that finding the best place that yielded the best Raw response for both subs was a huge improvement and for that reason I will always measure.

I have recently done DIY 4 inch reflection panels for sidewalls and the ceiling I have a big one (juan). Also a couple 15x15x48 soffit traps in each corner. I placed the reflection panels using the mirror technique and I can tell clarity has improved, especially center channel vocals in movies. But my Denon 4520 arrives this week and I am not sure yet to be honest if I will get deep into measuring with REW I may just do basic sub EQ for my mini dsp and call the rest good with XT32

Hey JL, what's up. I know you're into the measuring thing but me, not so much. You ready to gift me one of those Big Boy subs you got?
jlpowell84's Avatar jlpowell84 09:56 PM 04-29-2014
Quote:
Originally Posted by Prime316 View Post

Hey JL, what's up. I know you're into the measuring thing but me, not so much. You ready to gift me one of those Big Boy subs you got?

smile.gif They are nice for sure, I think I take them for granted. The extension into single digits really adds a good supporting role but the stuff we all hear will always be the main show. I think the stuff we can't hear is good and adds to the experience but I honestly feel its overplayed by some. But hey if they like it that much thats certainly their right smile.gif. I will always love the slam and kick drum and good slashing bass movie effects like a fighter jet slashing through the room, or the Hulk Stomping. I actually had a random thought today of doing a couple couch side 12's or so...
Inspector 24's Avatar Inspector 24 10:34 PM 04-29-2014
Watched CloverField for the first time with the Dual setup...never even watched it with one...holeee **** that movie had things going on I never knew....New reference material for sure.
Prime316's Avatar Prime316 04:21 AM 04-30-2014
Quote:
Originally Posted by Inspector 24 View Post

Watched CloverField for the first time with the Dual setup...never even watched it with one...holeee **** that movie had things going on I never knew....New reference material for sure.


I believe I watched it back when I had dual Bic F12's. It was a bassfest back then so I'm pretty sure the 15H's rocked the house. The movie itself didn't do much for me.
gadgtfreek's Avatar gadgtfreek 06:29 AM 04-30-2014
Cloverfield is a very good LFE demo.
QuentinH's Avatar QuentinH 06:54 PM 04-30-2014
Anyone use this sub with on walls such as the ML SLM XL? The XL's have a freq response of 100-25k Hz. Recommended crossover is 120. But, the 15H has 90 as the highest crossover?
Super3Goku's Avatar Super3Goku 08:31 PM 05-15-2014
Hello all 15H's users i seem to be having a bit of a dilemma over here with my sub. Just recently i started noticing my sub is not working half the time and when it goes back to normal it starts making these pop noises. What could it be the amp or the driver? Any type of answers would help thank you
Inspector 24's Avatar Inspector 24 09:15 PM 05-15-2014
How old is it? Any warranty left??
oztech's Avatar oztech 10:39 PM 05-15-2014
Quote:
Originally Posted by Super3Goku View Post

Hello all 15H's users i seem to be having a bit of a dilemma over here with my sub. Just recently i started noticing my sub is not working half the time and when it goes back to normal it starts making these pop noises. What could it be the amp or the driver? Any type of answers would help thank you

Have you contacted HSU customer support ?
I would guess the amp.
gadgtfreek's Avatar gadgtfreek 06:52 AM 05-16-2014
Call them up and trouble shoot.
in3rtia's Avatar in3rtia 06:55 AM 05-16-2014
Yeah like everyone has said, your best bet is to call up HSU. They've been very helpful with me in the past.

I guess you could also make sure it's not a power issue like a failing power strip or surge protector or whatever
Super3Goku's Avatar Super3Goku 02:48 PM 05-16-2014
Quote:
Originally Posted by Inspector 24 View Post

How old is it? Any warranty left??
hello inspector 24 yes it does have warrenty as i purchased the sub just last september.
Super3Goku's Avatar Super3Goku 02:51 PM 05-16-2014
Thank you all for your inputs i will contact hsu research and see what could be the problem thanks.
keefy6's Avatar keefy6 05:09 PM 05-23-2014


If you have capability to play this through your system/HSU try it out. This F40 exhaust and engine actually sound quite remarkable using my Anthem MRX500 in Anthem Logic Cinema 2.0. My pants vibrated, the couch vibrated, dishes were vibrating, curtains moving...pretty good. The HSU..what hasn't already been said, it's awesome.smile.gif
newbienoob's Avatar newbienoob 12:06 PM 05-29-2014
Here is a vid of mine that i put up on youtube last year. The weird sound at the end is the room being pressurized and wreaking havoc on the mic. Still sounds badass either way. http://youtu.be/qFHxTKNKaK0

Sent via Tapatalk using Galaxy Note 2
Medisinyl's Avatar Medisinyl 05:53 AM 06-12-2014
Just ordered one of these with the Father's Day sale going on. I've had a VTF-3 MK3 for about 6 years now and it's still going strong. Did a lot of research before buying that one and never regretted it. This time around it was easy to just look to Hsu for an upgrade and reviews seem quite favorable for this sub.

I'm under the impression I likely won't need anything more than the one VTF-15H, but would I have foreseeable complications if I ran these two non-matching subs together?
Audio Geek's Avatar Audio Geek 08:48 AM 09-20-2014
I finally measured the power usage using a Kill A Watt. At idle (no signal), the sub draws 13 W at off, at auto, and at on. So it doesn't save any power to have it off or auto vs. on.
gadgtfreek's Avatar gadgtfreek 08:25 PM 09-21-2014
Two words:

Godzilla...Bass
Prime316's Avatar Prime316 09:08 PM 09-21-2014
Quote:
Originally Posted by gadgtfreek View Post
Two words:

Godzilla...Bass
That's a no go. My 15H's didn't like the bass in Godzilla. It was too muddy and undefined.
BornSlippyZ's Avatar BornSlippyZ 04:52 AM 09-22-2014
Quote:
Originally Posted by Prime316 View Post
That's a no go. My 15H's didn't like the bass in Godzilla. It was too muddy and undefined.
Same here and Capt America had better bass moments IMO. No worries though because Edge of Tomorrow is supposedly better in the bass dept.
gadgtfreek's Avatar gadgtfreek 05:57 AM 09-22-2014
Odd. Mine were very tight and powerful, especially the bridge scene and instances like that were there was little sound other than MUTO's. Made the bridge scene pretty tense IMO. All kinda of low LFE too.
BornSlippyZ's Avatar BornSlippyZ 04:24 PM 09-25-2014
Quote:
Originally Posted by gadgtfreek View Post
Odd. Mine were very tight and powerful, especially the bridge scene and instances like that were there was little sound other than MUTO's. Made the bridge scene pretty tense IMO. All kinda of low LFE too.
I am going to re-watch Godzilla this weekend and see if I notice more bass. I know there were moments with the other Muto's stomping around/turning but I just adjusted my AVR crossover on my L/R towers and see if that makes a difference.


Halloween is coming up and one movie I am looking forward to watching is Frankensteins Army! I heard it was an awesome bass horror flick!
Tags: Subwoofers , Hsu Research , Hsu Vtf 15h Subwoofer
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