Originally Posted by Scott27
I've been playing around with my room correction software and the S1. I set the Gain to 12 o'clock, and the LF Adjust to 9 o'clock, you can see the frequency response in the attached. The trim level set for the sub, post calibration, is -1dB, so does that mean I shouldn't raise the trim in the receiver to avoid clipping the LFE signal? But i can go crazy with the LF Adjust if I want?
Do you have the UMIK-1 and use REW? It doesn't look like you do. If possible, can you post a FR showing just 5 to 200 Hz, 50dB to 100dB, and no smoothing?
As for the level settings, you can try Gain @ 1 or 2 o'clock. LF Adjust at 9 o'clock is fine. Aim for a sub level of -6dB or so. That way, post calibration, you can still add some trim to it (increase sub level) and still remain in the negative.
After that you can also adjust the LF Adjust to taste.
Since not all subs have the LF adjust, in theory, when you keep the sub level in the negative, clipping can be avoided. However, I know that the LF Adjust on my 2015 Cap 1400 is +/- 5.4dB @ 20 Hz...
Effect of my 2015 Cap 1400 LF Adjust: Blue is Boost (max) and Red is Cut (min)
At 20 Hz, I get 10.7dB more output with the LF Adjust at Boost than Cut!!!
If my sub level with the LF Adjust at 12 o'clock is -3 dB, then turning the LF Adjust to Boost will put it into the positive...