Originally Posted by
pos
Still, there are strange things showing here:
- openDRC and QSC have opposed polarity (not a big deal, but worth noting, especially if you try side by side comparisons)
- LF response low-pass does not looks as sharp as it should, with only -20dB at 3kHz compared to 750Hz, whereas it should be around -70dB, but this is probably due to the sweep range limits
- openDRC and QSC without IIR EQ have the same LF response and lack of "boost" around 40Hz
- HF response is rising on the QSC, or the openDRC one is falling (probably not), either way there is a 6dB shelving difference in response (see attached screenshot)