Feedback; Typical Equalizer Filter Curve; Octaves Vs. Q Factors - Behringer FEEDBACK DESTROYER PRO DSP1100P User Manual

Filter attenuated by 8 dB at 1kHz
0 dB
-2 dB
-3 dB
-4 dB
-6 dB
-8 dB
-10 dB
-12 dB
200 Hz
Octave
1/6
1/4
1/3
1/2
3/4
1
3/2
2
3
Bandwidth = 600 Hz
Center frequency
= 1 kHz
1 kHz
Quality factor (Q)
8.65
5.76
4.32
2.87
1.90
1.41
0.92
0.67
0.40
E
5 kHz