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Ivaols wrote:
 The receiver is in normal stereo mode. I do have gained the sub to max in the level settings, where you set level for each speaker. If i dont do that i get a weak signal into the Behringer. |
How did you go about setting the input level?
Personally, I used WotW DTS, Ch5, and set the receiver volume at about -10, since that would be the max I would listen at, and adjusted the sub/lfe level on the receiver so it was near the top but didn't get into the red. To do this, I had to turn up the level of the speakers and calibrate "0" as -5 on my dial rather than "0," since my receiver puts out a really strong sub/lfe signal.
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I calibrate the sub + mains with a normal 10 (?) - 200hz sweep.
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I mean, how do you set the level of the sub (on its gain knob) to know that it is "calibrated" as even or "hot" compared to the speakers?
To set the level or gain of the sub, you need to use the SPL meter and play either the receiver's built-in tones or something like Avia. This will play a higher frequency tone, which you set all the speakers to a certain level with, then the same with a low frequency to set the subwoofer level. Most people set the sub even with the speakers, or a few dB hot. If you are using the analog meter, setting the sub "even" with the speakers is already 2~3dB hot because the analog meter is less sensitive down low.
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What will a sweep up to 500hz show?
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As was just posted by Hakka, seeing above 200hz will give you a good idea of how the whole bass region sounds. Under 100Hz is just the mid-/low-bass, and above that is still bass. If you play a track with an acoustic upright bass and turn off the sub, you can still hear most of the sound. So by checking above 200Hz, you can see if 150-200Hz on your graph is a peak, or if the rest of the higher bass region is that high as well. Because it looks like the subwoofer level is lower than the speakers, at least comparing them to the 150-200Hz area in the graph.