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  #1  
Old March 16th, 2012, 7:44 PM
Nooch Nooch is offline
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New vtf2mk4

Hello all, I just purchased the vtf2 mk4 to replace a pl200,sould arive on tuesay. I have a denon 2112 receiver with infinity primus162 frons and surround and 350 center. My rooms about 1900cuft, the only location for the sub would be in a corner on the right hand side of the tv,we sit approximately 10ft away from the tv. The sub will be used strictly for tv shows and movies. Do i have to rerun audysey?I was hoping on some initial settings, ideas anything that would help me get the maximum performance out of the sub.
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  #2  
Old March 16th, 2012, 8:22 PM
Dr_Hsu Dr_Hsu is offline
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Quote:
Originally Posted by Nooch View Post
Hello all, I just purchased the vtf2 mk4 to replace a pl200,sould arive on tuesay. I have a denon 2112 receiver with infinity primus162 frons and surround and 350 center. My rooms about 1900cuft, the only location for the sub would be in a corner on the right hand side of the tv,we sit approximately 10ft away from the tv. The sub will be used strictly for tv shows and movies. Do i have to rerun audysey?I was hoping on some initial settings, ideas anything that would help me get the maximum performance out of the sub.
Congrats on your new purchase! Can you post a detailed room layout? Show where you sit in that space. Do you have openings that lead to other areas in your house? How large are the adjoining spaces? Draw in the dimensions of the adjoining space as well.

If you want to run Audyssey, set the VTF-2 MK4 to one port open, EQ1, Q=0.7, volume at 9 o'clock. After auto EQ, set the sub to two ports open, EQ2, and Q=0.3.
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  #3  
Old March 16th, 2012, 8:26 PM
OZZ OZZ is offline
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I would post a draft of your room layout along with dimensions and where you set and where your equipment is located along with openings to other rooms as each layout has different affects on low frequencies. The Good Dr. beat me to it.
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  #4  
Old March 17th, 2012, 3:47 AM
Nooch Nooch is offline
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This is a total newbie question but how do members draw their room layouts then upload them onto the forum?
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  #5  
Old March 17th, 2012, 4:11 AM
Sputter Sputter is offline
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Originally Posted by Nooch View Post
This is a total newbie question but how do members draw their room layouts then upload them onto the forum?
Look for a program named 'Sweet Home 3D'. It'll be on some of the Freeware sites. It's pretty good and free.
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  #6  
Old March 22nd, 2012, 4:08 PM
Nooch Nooch is offline
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Originally Posted by Dr_Hsu View Post
Congrats on your new purchase! Can you post a detailed room layout? Show where you sit in that space. Do you have openings that lead to other areas in your house? How large are the adjoining spaces? Draw in the dimensions of the adjoining space as well.

If you want to run Audyssey, set the VTF-2 MK4 to one port open, EQ1, Q=0.7, volume at 9 o'clock. After auto EQ, set the sub to two ports open, EQ2, and Q=0.3.
Dr Hsu, I was curious as to why I would change the settings after I ran audyssey? I just ran audyssey and it set the sub at -13db and lfe crossover to 120hz does this seem correct? As suggested I set the sub volume to 9 o'clock

Last edited by Nooch : March 22nd, 2012 at 5:09 PM.
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  #7  
Old March 22nd, 2012, 8:59 PM
Dr_Hsu Dr_Hsu is offline
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Originally Posted by Nooch View Post
Dr Hsu, I was curious as to why I would change the settings after I ran audyssey? I just ran audyssey and it set the sub at -13db and lfe crossover to 120hz does this seem correct? As suggested I set the sub volume to 9 o'clock
If Audyssey sets the level that low, I would turn down the volume on the sub lower (midway between min and 9 o'clock) so Audyssey would choose something closer to 0 dB. This will help the auto on circuit to operate more reliably. The auto on circuit is before the volume control. A very low level getting to the sub (e.g. -13 dB) will make the sub not turn on at lower volumes.

The reason to set the sub to 1 port open, EQ1 and Q=0.7 for Audyssey to calibrate is because Audyssey will try to extend bass down to below 20 Hz. This will prevent Audyssey from over boosting the sub down low. After it correctly equalizes out the room modes (the sub is flat down to below 20 Hz in that mode), setting the sub to two ports open, EQ2 and Q=0.3 will give you much higher headroom, a tighter bass while still taking advantage of Audyssey correcting the bass peaks and dips of your room.
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  #8  
Old March 23rd, 2012, 4:38 AM
Nooch Nooch is offline
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Originally Posted by Dr_Hsu View Post
If Audyssey sets the level that low, I would turn down the volume on the sub lower (midway between min and 9 o'clock) so Audyssey would choose something closer to 0 dB. This will help the auto on circuit to operate more reliably. The auto on circuit is before the volume control. A very low level getting to the sub (e.g. -13 dB) will make the sub not turn on at lower volumes.

The reason to set the sub to 1 port open, EQ1 and Q=0.7 for Audyssey to calibrate is because Audyssey will try to extend bass down to below 20 Hz. This will prevent Audyssey from over boosting the sub down low. After it correctly equalizes out the room modes (the sub is flat down to below 20 Hz in that mode), setting the sub to two ports open, EQ2 and Q=0.3 will give you much higher headroom, a tighter bass while still taking advantage of Audyssey correcting the bass peaks and dips of your room.
Thank you Dr hsu
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  #9  
Old March 23rd, 2012, 5:39 AM
Nooch Nooch is offline
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Thanks DR HSU! Ok I ran audyssey 6 times and finally have it set to 0HZ , If I feel I need more bass should I turn it up at the sub or at the receiver.
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  #10  
Old March 23rd, 2012, 7:10 AM
Dr_Hsu Dr_Hsu is offline
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Originally Posted by Nooch View Post
Thanks DR HSU! Ok I ran audyssey 6 times and finally have it set to 0HZ , If I feel I need more bass should I turn it up at the sub or at the receiver.
You are welcome! You mean 0 dB? I would turn up at the receiver.
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  #11  
Old March 23rd, 2012, 10:17 AM
Nooch Nooch is offline
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Oops yes db, thanks for the help
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