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***Official HSU owners/support thread!*** - Page 189

post #5641 of 5959
11/21/12 at 12:19pm
Try the sub in all three places to see where it sounds best to you, or try what Asere said, the sub crawl method, this is like a shortcut from placing the sub in all three locations. I think the VTF3 would sound good, but if you really like to crank up the volume on movie night, its probably worth stepping up to the VTF15h.
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post #5642 of 5959
11/21/12 at 2:00pm
15h.
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post #5643 of 5959
11/21/12 at 2:58pm
Thanks for all of your responses. That have been very helpful. I am feeling 15H now. But it is such a big box. rolleyes.gif

I have read in some post that having a larger space can improve low end (.e.g keep the door open to...) but then when there is too much adjacent space other issues arise. So what would happen to quality/level of bass if I closed off the opening to the adjacent living space with a drape (I am working on a detachable hanging drape to block out the bright light when I am viewing movie during day time)? Better in what? Worse in what? Or no effect because it is not a solid wall?
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post #5644 of 5959
11/21/12 at 3:03pm
Ive not regretted replacing my VTF2 MK4 with the VTF15h. It seemed huge the first couple of weeks, but I dont even notice it now.
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post #5645 of 5959
11/21/12 at 3:20pm
A drape will not do anything to the bass. biggrin.gif The sub will be perfect as an end table. Put a glass top on the sub and you don;t have to worry about scratching it or spilling liquid on it..
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post #5646 of 5959
11/22/12 at 10:14am
Any Christmas sales? smile.gif (already seen the black Friday sales list frown.gif
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post #5647 of 5959
11/28/12 at 7:09am
I was using regular RCA cables to connect my HSU and last night I replaced the RCA cable with a digital coax cable and now the sub does not sound boomy like before. Is there a reason for this?
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post #5648 of 5959
11/28/12 at 7:51am
Strange! Should not make any difference.
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post #5649 of 5959
11/28/12 at 8:02am
Quote:
Originally Posted by dr_hsu View Post

Strange! Should not make any difference.
What about using an rca splitter to hook into both rca ports instead of a single port? Some say you get a stronger signal and the auto on feature will come on sooner.
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post #5650 of 5959
11/28/12 at 8:24am
Quote:
Originally Posted by dr_hsu View Post

Strange! Should not make any difference.
Isn't it possible that the old RCA cable didn't have any shielding and suffered from interference from other power/speaker cables around it?

Curious to know that since I myself need a longer cable than my current cheapo radioshack RCA cable (which is around 12', I need 25') and looking to buy something that's supposed to have good shielding and I don't know if cable quality makes a difference in longer runs when it comes to subwoofers!

It's so cool that you reply in such threads btw!

Since you're already here, I'll ask another question if you don't mind, I think I read somewhere that you recommend using the subwoofer right behind the seating area, in my new apartment I definitely can do that:

1- Is that configuration recommended for my VTF 3Mk3 as well?
2- How much space should I leave between the Subwoofer > Sofa, as well as Subwoofer > backwall?
3- Does woofer/ports direction matter since Subwoofer is omnidirectional?

Thanks!
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post #5651 of 5959
11/28/12 at 8:49am
Quote:
Originally Posted by Bond 007 View Post

What about using an rca splitter to hook into both rca ports instead of a single port? Some say you get a stronger signal and the auto on feature will come on sooner.


The RCA cable I had was connected to both ports on the sub and just one end to the receiver, then I tried just one port and still the same bass was boomy and now with no RCA and a digital coax the bass is improved.
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post #5652 of 5959
11/28/12 at 10:25am
What level are you setting the subwoofer volume at? Auto on is usually not an issue if you did not set the volume too high on the sub.
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post #5653 of 5959
11/28/12 at 10:32am
Quote:
Originally Posted by dr_hsu View Post

What level are you setting the subwoofer volume at? Auto on is usually not an issue if you did not set the volume too high on the sub.

I am not sure if you were asking me Dr. Hsu but I have mine set at almost 10 O'clock and set by Audyssey to +5.
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post #5654 of 5959
11/28/12 at 11:06am
Quote:
Originally Posted by asere View Post

I am not sure if you were asking me Dr. Hsu but I have mine set at almost 10 O'clock and set by Audyssey to +5.
That seems hot have you tried lowering the sub so Audyssey will be closer to 0?
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post #5655 of 5959
11/28/12 at 11:09am
Quote:
Originally Posted by oztech View Post

That seems hot have you tried lowering the sub so Audyssey will be closer to 0?

So how does this work? I ran Audyssey and it gave me +5. That would mean A. go up on the actual sub gain or B. bring it down on the avr right?
Edited by asere - 11/28/12 at 11:30am
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post #5656 of 5959
11/28/12 at 11:52am
You are right. If Audyssey is setting the output to +5, that suggests you need to set the sub volume higher to make Audyssey reduce the sub out on the receiver to 0. Which sub do you have? How large is your room? Can you post a room layout? Include the adjoining room details if your room is not closed off.
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post #5657 of 5959
11/28/12 at 11:59am
Quote:
Originally Posted by metallicaband View Post

Isn't it possible that the old RCA cable didn't have any shielding and suffered from interference from other power/speaker cables around it?
Curious to know that since I myself need a longer cable than my current cheapo radioshack RCA cable (which is around 12', I need 25') and looking to buy something that's supposed to have good shielding and I don't know if cable quality makes a difference in longer runs when it comes to subwoofers!
It's so cool that you reply in such threads btw!
Since you're already here, I'll ask another question if you don't mind, I think I read somewhere that you recommend using the subwoofer right behind the seating area, in my new apartment I definitely can do that:
1- Is that configuration recommended for my VTF 3Mk3 as well?
2- How much space should I leave between the Subwoofer > Sofa, as well as Subwoofer > backwall?
3- Does woofer/ports direction matter since Subwoofer is omnidirectional?
Thanks!

If it's a matter of shielding, he should hear a constant hum even without signal. If there is no hum, then what kind of cable should not matter.

Regarding your second set of questions,
1. Placing the sub behind the seating area depends on your room layout. It is less desirable for a short room (front to back length less than 18 or 20 ft) because the front wall bounce will cause a dip in the deep bass (once your room is deep enough the dip is below 15 Hz and is thus fine since the subs don't put out any useful output down there). Post your room layout including any adjoining spaces.
2. I would place the sub so the woofer fires into the back of the seat. Leave 2" spacing between woofer and back of sofa. The other side of the cabinet can be within 1/2" of the wall.
3. Port direction is not critical. Having the woofer face the back of the seat do give more seat shaking.
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post #5658 of 5959
11/28/12 at 12:05pm
Quote:
Originally Posted by dr_hsu View Post

You are right. If Audyssey is setting the output to +5, that suggests you need to set the sub volume higher to make Audyssey reduce the sub out on the receiver to 0. Which sub do you have? How large is your room? Can you post a room layout? Include the adjoining room details if your room is not closed off.

At the same time since Audyssey set the sub to +5 I can always leave the gain alone and bring the level down to 0 on the avr right?
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post #5659 of 5959
11/28/12 at 12:10pm
Quote:
Originally Posted by asere View Post

At the same time since Audyssey set the sub to +5 I can always leave the gain alone and bring the level down to 0 on the avr right?

That way the sub will sound 5 dB less loud. I don't think you want that. Which sub do you have?
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post #5660 of 5959
11/28/12 at 12:22pm
I have the VTF3 MK4
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post #5661 of 5959
11/28/12 at 12:57pm
What are the settings for the sub? Two ports open, EQ2, Q=0.3? Your room layout will be important. Strange that you have to set the sub to 10 o'clock and Audyssey still has to set the sub out at +5. Did you set the subwoofer to one port open, EQ1, Q=0.7 for the auto calibration?
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post #5662 of 5959
11/28/12 at 1:09pm
Quote:
Originally Posted by dr_hsu View Post

What are the settings for the sub? Two ports open, EQ2, Q=0.3? Your room layout will be important. Strange that you have to set the sub to 10 o'clock and Audyssey still has to set the sub out at +5. Did you set the subwoofer to one port open, EQ1, Q=0.7 for the auto calibration?

I have 2 ports open,EQ2, Q3. Ran Audyssey with one port open EQ1, Q7 and gain between 9 and 10 o'clock but closer to 10. Room is roughly 4500 cf. The phase at 0 and defeat switch set to OUT.
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post #5663 of 5959
11/28/12 at 1:39pm
Perhaps you are sitting in a spot where you have a bass null. Normally Audyssey should not set the sub out level that high for the VTF-3 MK4. Look forward to seeing your room sketch. Does you 4500 cu.ft. room opens to other rooms?
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post #5664 of 5959
11/28/12 at 1:54pm
Quote:
Originally Posted by oztech View Post

That seems hot have you tried lowering the sub so Audyssey will be closer to 0?
I stand corrected just not used to seeing a plus 5 with the sub at 10 my statement would have been correct for -5.
Do you have your seating in the middle of the room which is almost always a null for low end?
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post #5665 of 5959
11/28/12 at 1:58pm
Quote:
Originally Posted by dr_hsu View Post

Perhaps you are sitting in a spot where you have a bass null. Normally Audyssey should not set the sub out level that high for the VTF-3 MK4. Look forward to seeing your room sketch. Does you 4500 cu.ft. room opens to other rooms?

Yes the room is open to the kitchen. I have done the crawl with spl meter and placed the sub where I got the flattest response.
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post #5666 of 5959
11/28/12 at 2:13pm
Still cannot understand why changing the cable makes a huge difference. If the sub sounds fine now, I would not change anything even though it's puzzling why the level has to be that high..
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post #5667 of 5959
11/28/12 at 2:22pm
Quote:
Originally Posted by dr_hsu View Post

Still cannot understand why changing the cable makes a huge difference. If the sub sounds fine now, I would not change anything even though it's puzzling why the level has to be that high..

So the gain should be at 9 o'clock and not closer to 10? If I set it to 9 o 'clock I get like a -12.
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post #5668 of 5959
11/28/12 at 2:26pm
Not that you asked me but my gain is more like 8:00-8:30.
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post #5669 of 5959
11/28/12 at 2:32pm
Quote:
Originally Posted by asere View Post

So the gain should be at 9 o'clock and not closer to 10? If I set it to 9 o 'clock I get like a -12.

I am confused. What do you mean by a -12? Do you mean you get 12 dB less output at 9 o'clock compared to 10 o'clock?
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post #5670 of 5959
11/28/12 at 2:34pm
Quote:
Originally Posted by Prime316 View Post

Not that you asked me but my gain is more like 8:00-8:30.

If I remember correctly, you have the 15H. Yes 8 - 8:30 sounds like what one should usually set the 15H to.
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