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  #1  
Old November 11th, 2011, 7:13 AM
elwaylite elwaylite is offline
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BAS CD Test Tone Results, Opinions Welcome!

Ive highlighted the modes I think I'll stick with, just looking at the results. Measured from center position, after audyssey setup and all of that. CD was played in Oppo 93.
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Old November 11th, 2011, 8:02 AM
Sputter Sputter is offline
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Originally Posted by elwaylite View Post
Ive highlighted the modes I think I'll stick with, just looking at the results. Measured from center position, after audyssey setup and all of that. CD was played in Oppo 93.
Interesting man, what did you use to measure with? Your Q numbers are similar to my REW graphs. What db level did you run the test with and from what distance?

Did you try sealed?

Here is a graph with my dual 15Hs in a 4500^ room.
I used my SMS-1 to kill two peaks 50hz~.
One port open, EQ2, Q.7
I didn't keep my 95db graph (that's as loud as I've run my sweeps) but it's as a flat as my 75/85 sweeps.
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Old November 11th, 2011, 8:08 AM
elwaylite elwaylite is offline
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As far as dB level, I just set the Marantz AVR at 0.0 dB (reference), I was about 10ft from the sub in my listening position. Used a Radio Shack Analog SPL meter.
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Old November 11th, 2011, 8:19 AM
Sputter Sputter is offline
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Originally Posted by elwaylite View Post
As far as dB level, I just set the Marantz AVR at 0.0 dB (reference), I was about 10ft from the sub in my listening position. Used a Radio Shack Analog SPL meter.
So 75db is your reference lvl? (going by your numbers) Nicely layed out graph.
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Old November 11th, 2011, 8:23 AM
elwaylite elwaylite is offline
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Yeah, I would assume its 75dB.

Looking at the charts on HSU for the VTF-15,

0.7 one port EQ1 is pretty flat from 200 down to 20, then slopes to 15. 0.7 EQ2 is also flat from 200 to 25, and the midbass area is a little louder.

The midbass on the Max Ext mode is not that much lower, and I gotta think having the ability to get that extra sound/feel from 16-25 is important too.

I think Im gonna stick with 1 port open, EQ1, and 0.7. Im no subwoofer expert at all
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Old November 11th, 2011, 8:34 AM
Sputter Sputter is offline
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Originally Posted by elwaylite View Post
Yeah, I would assume its 75dB.

Looking at the charts on HSU for the VTF-15,

0.7 one port EQ1 is pretty flat from 200 down to 20, then slopes to 15. 0.7 EQ2 is also flat from 200 to 25, and the midbass area is a little louder.

The midbass on the Max Ext mode is not that much lower, and I gotta think having the ability to get that extra sound/feel from 16-25 is important too.

I think Im gonna stick with 1 port open, EQ1, and 0.7. Im no subwoofer expert at all
Here's a graph showing EQ1
Keep in mind that the meter isn't too accurate the lower you measure.

Note the hump ~16hz due to the boost from eq1
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