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post #6331 of 6350 Old 07-30-2014, 05:20 PM
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Originally Posted by dprice18af View Post
Deepest extension. I just wanted to be sure I was reading the manual correct. I was confused.

Hi dprice18af,

Grats on your VTF-2 Mk4. 1 port open, EQ 1 mode will give you the furthest extension down to 18 Hz. From there, you can adjust the subwoofer to fit your room acoustics and personal preference.

Sincerely,
Kevin
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post #6332 of 6350 Old 07-30-2014, 06:45 PM
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Question for Vtf 15h owners. I've had my sub for all of a couple of years ish and I still have questions about output vs the volume. I do have my sub in a large living space 30 by 30 is a rough estimation. The sub does fine and my wife usually likes it with less volume as it can shake the house. I always feel that to get that base crushing feeling I have to turn the volume past the 12 o clock.....I usually keep it at 9 o clock to keep the wife happy and 9 o clock doesn't really get the job done in my room...

so question: am I taxing the sub too much when I turn the volume past 12 o clock? and Why do I have to turn the volume past what many here would recommend, am I missing something?

thanks

ps. would a second 15h allow me to run a lower volume but get the earth shattering LFE
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post #6333 of 6350 Old 07-30-2014, 08:14 PM
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Quote:
Originally Posted by HsuKevin View Post
Hi dprice18af,

Grats on your VTF-2 Mk4. 1 port open, EQ 1 mode will give you the furthest extension down to 18 Hz. From there, you can adjust the subwoofer to fit your room acoustics and personal preference.

Sincerely,
Kevin
Thank you Kevin!
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post #6334 of 6350 Old Yesterday, 03:53 AM
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Quote:
Originally Posted by EL GUER0 View Post
Question for Vtf 15h owners. I've had my sub for all of a couple of years ish and I still have questions about output vs the volume. I do have my sub in a large living space 30 by 30 is a rough estimation. The sub does fine and my wife usually likes it with less volume as it can shake the house. I always feel that to get that base crushing feeling I have to turn the volume past the 12 o clock.....I usually keep it at 9 o clock to keep the wife happy and 9 o clock doesn't really get the job done in my room...

so question: am I taxing the sub too much when I turn the volume past 12 o clock? and Why do I have to turn the volume past what many here would recommend, am I missing something?

thanks

ps. would a second 15h allow me to run a lower volume but get the earth shattering LFE
You like the bass hot, which is not bad, many of us do. It sounds to me like the VTF15h is capable of what you want, and the real problem is what you want and what makes the wife happy run contrary to each other. I think you would have the same problem with two or more VTF15hs. Of course, getting another VTF15h will give you more headroom, more even bass, less distortion, and so on, yeah it would improve performance, especially if you take care to place it where it helps to smooth out the frequency response the most. It would also help your existing VTF15h last longer if you are frequently pushing it hard at the moment. Easier use makes for better long term reliability.
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post #6335 of 6350 Old Yesterday, 10:26 AM
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Thanks shadyJ, I don't run the sub too often, mostly for movies once a week. I shouldn't be close imo to running too hot....but I just wanted to know if pushing the base volume past the 12 o clock is a bad idea or am I risking ruining my sub? I read a while back that having the volume at 9 should be plenty if not overkill. At 9 the deep LFE in the kung fu panda fight scene isn't even audible...only when I run hot.
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post #6336 of 6350 Old Yesterday, 10:38 AM
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The level on the gain knob doesn't men much by itself. It's how strong the incoming signal is. If you want to turn the sub up, use the LFE channel in the AVR. This way you won't lose the calibrated setting within the AVR. I would leave the gain knob at 9'o'clock, and turn the LFE up by maybe 4 or 5 dB. For the most punch, I would run the VTF15h with both ports open and Q set to .7.
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post #6337 of 6350 Old Yesterday, 10:43 AM
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Im super happy I added a second VTF15. I set my gain knobs by what audyssey tells me to, once audyssey is complete I do not mess with the gain knob any morebut run them 10db hotter in the AVR menu.

For example, last time I ran audyssey they were set at -8.0 and -8.5. I adjusted them to +2.0 and +2.5

65" VT50 / BDP-S6200
X4000 / Outlaw Model 7125
Klipsch RF82 II and RC62 II / Hsu VTF-15H (2)
Directv HR44-200 / HR24-500
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post #6338 of 6350 Old Yesterday, 11:05 AM
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That's great info. I'll give that a try today and let you know how it works for me. I'm currently running the sub both ports open an Q .7. I'm not sure on some of the other settings.
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post #6339 of 6350 Old Yesterday, 01:11 PM
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I do use both ports open to get more db's, but I run a Q of 0.3. That offers less db's than 0.7, but the bass is more tight.

65" VT50 / BDP-S6200
X4000 / Outlaw Model 7125
Klipsch RF82 II and RC62 II / Hsu VTF-15H (2)
Directv HR44-200 / HR24-500
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post #6340 of 6350 Old Yesterday, 02:39 PM
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Quote:
Originally Posted by EL GUER0 View Post
That's great info. I'll give that a try today and let you know how it works for me. I'm currently running the sub both ports open an Q .7. I'm not sure on some of the other settings.



Do you have any room correction software like Audyssey? I'm sure it would tell you that 12 o'clock is a bit high.


If you're running both ports open be sure to set it to EQ2.

Projector: Benq W1070 1080p 2D/3D
Screen: 120" Elite fixed frame
AVR: Onkyo TX-NR809
Mains: Klipsch RF-62ii x 2
Center: Klipsch RC-62ii
Surrounds: Klipsch RS-42ii x 2
Subs: Dual Hsu VTF-15H's
Sonos-Play 5 and Play 3
Sony Playstation 4
Microsoft Xbox One
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post #6341 of 6350 Old Yesterday, 02:55 PM
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Right now I'm running +6 on the sub through the AVR and 9 o clock on the volume...It definitely shakes the room
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post #6342 of 6350 Old Yesterday, 02:57 PM
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Originally Posted by Prime316 View Post
Do you have any room correction software like Audyssey? I'm sure it would tell you that 12 o'clock is a bit high.


If you're running both ports open be sure to set it to EQ2.
I do have Audyssey and have run it in the past...I always feel that doesn't run the center or rear surrounds hot enough and then I start to tinker. Maybe I should run it again and see what it says.
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post #6343 of 6350 Old Yesterday, 03:03 PM
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Originally Posted by EL GUER0 View Post
I do have Audyssey and have run it in the past...I always feel that doesn't run the center or rear surrounds hot enough and then I start to tinker. Maybe I should run it again and see what it says.



When I run it, it never sets my center and a couple of my surrounds high enough. What you do then is get you a sound meter. Radio Shack has them and tons of other places to manually set those where you want them.


Read your instruction manual about how to set the sub up to run Audyssey on it. I believe is Q=.7, EQ=2 and keep it around 9 o'clock. Both ports open.





You want Audyssey to set the sub +/-3. I would go for -3 and then leave it. As mentioned above, run it hot from inside your avr settings so you don't lose your proper sub settings on the unit itself.

Projector: Benq W1070 1080p 2D/3D
Screen: 120" Elite fixed frame
AVR: Onkyo TX-NR809
Mains: Klipsch RF-62ii x 2
Center: Klipsch RC-62ii
Surrounds: Klipsch RS-42ii x 2
Subs: Dual Hsu VTF-15H's
Sonos-Play 5 and Play 3
Sony Playstation 4
Microsoft Xbox One

Last edited by Prime316; Yesterday at 03:08 PM.
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post #6344 of 6350 Old Yesterday, 04:03 PM
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The 9 o'clock is just a starting point. His room is huge 30'x30'. One sub in that room no wonder he has to it turn up some.
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post #6345 of 6350 Old Yesterday, 04:25 PM
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Originally Posted by Gmash View Post
The 9 o'clock is just a starting point. His room is huge 30'x30'. One sub in that room no wonder he has to it turn up some.



Agreed, that room is pretty good size so I expect a little better than 9 o'clock. Like you said....a starting point. The 15H will be stretched on this one.






EL GUER0,


If you get a positive number, that means you can turn the gain up some but the dial is very sensitive. The slightest movement will send it soaring.

Projector: Benq W1070 1080p 2D/3D
Screen: 120" Elite fixed frame
AVR: Onkyo TX-NR809
Mains: Klipsch RF-62ii x 2
Center: Klipsch RC-62ii
Surrounds: Klipsch RS-42ii x 2
Subs: Dual Hsu VTF-15H's
Sonos-Play 5 and Play 3
Sony Playstation 4
Microsoft Xbox One

Last edited by Prime316; Yesterday at 04:29 PM.
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post #6346 of 6350 Old Yesterday, 04:25 PM
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....

Projector: Benq W1070 1080p 2D/3D
Screen: 120" Elite fixed frame
AVR: Onkyo TX-NR809
Mains: Klipsch RF-62ii x 2
Center: Klipsch RC-62ii
Surrounds: Klipsch RS-42ii x 2
Subs: Dual Hsu VTF-15H's
Sonos-Play 5 and Play 3
Sony Playstation 4
Microsoft Xbox One
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post #6347 of 6350 Old Yesterday, 07:00 PM
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Sorry, I had to go to the fair....I'm going to try and run that stuff tomorrow and give back numbers. I really appreciate all the suggestions the forum members have. Also Prime316 I have the same receiver you do onkyo 809.
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post #6348 of 6350 Old Yesterday, 08:21 PM
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Quote:
Originally Posted by EL GUER0 View Post
Sorry, I had to go to the fair....I'm going to try and run that stuff tomorrow and give back numbers. I really appreciate all the suggestions the forum members have. Also Prime316 I have the same receiver you do onkyo 809.


Oh ok, well you have a great receiver and a great sub....lol.

Projector: Benq W1070 1080p 2D/3D
Screen: 120" Elite fixed frame
AVR: Onkyo TX-NR809
Mains: Klipsch RF-62ii x 2
Center: Klipsch RC-62ii
Surrounds: Klipsch RS-42ii x 2
Subs: Dual Hsu VTF-15H's
Sonos-Play 5 and Play 3
Sony Playstation 4
Microsoft Xbox One
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post #6349 of 6350 Old Today, 06:20 AM
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Quote:
Originally Posted by Prime316 View Post
Read your instruction manual about how to set the sub up to run Audyssey on it. I believe is Q=.7, EQ=2 and keep it around 9 o'clock. Both ports open.
Quote:
Originally Posted by EL GUER0 View Post
Sorry, I had to go to the fair....I'm going to try and run that stuff tomorrow and give back numbers. I really appreciate all the suggestions the forum members have. Also Prime316 I have the same receiver you do onkyo 809.

Actually you want the sub set to one port open, EQ=1 and Q=.7.


Post 3910 by Dr. Hsu:
Quote:
The rationale behind setting the sub to the different modes is this: We want Audyssey to make the room 'disappear' - equalize out the room effects. To do this, we want the subwoofer to have as flat and extended response as possible when measured outdoors (no room effect). Hence set it to one port open, EQ1, Q=0.7. Once you have removed the room effect, you can enjoy the different subwoofer characteristics of the different tune for the sub - effects of the Q control, extension, etc.
Post 3915 by Dr. Hsu:
Quote:
With Q at 0.7, response is flattest (lower Q rolls off the deepest bass but sounds tighter). We want the sub to be as flat as possible before running Audyssey so Audyssey is just equalizing the room, not the sub. If you set the Q lower before running Audyssey, Audyssey will try to EQ the sub flat and it no longer sound as tight.
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post #6350 of 6350 Old Today, 07:39 AM
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Originally Posted by Tom C View Post
Actually you want the sub set to one port open, EQ=1 and Q=.7.


Post 3910 by Dr. Hsu:
Post 3915 by Dr. Hsu:
Thanks for the catch. That's why I originally said to consult the manual. I haven't calibrated in months.

Projector: Benq W1070 1080p 2D/3D
Screen: 120" Elite fixed frame
AVR: Onkyo TX-NR809
Mains: Klipsch RF-62ii x 2
Center: Klipsch RC-62ii
Surrounds: Klipsch RS-42ii x 2
Subs: Dual Hsu VTF-15H's
Sonos-Play 5 and Play 3
Sony Playstation 4
Microsoft Xbox One
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