SPECIFICATIONS*
Filter Q
Filter Frequencies (Hz)
Maximum Boost
and Cut Filter
Output Noise
Bypass Mode
Filter Mode (Flat)
Frequency Response:
Distortion:
Input Impedance:
Output Impedance:
Maximum Input Level:
Maximum Output Level:
Nominal Input Level:
Nominal Output Level:
Input Headroom:
Output Headroom:
Maximum Boost and
Cut Gain:
Low Cut Filter:
Power Consumption:
Dimension:
Weight:
* All specifications are typical unless otherwise noted. (0 dBV = 1 volt.) All specifications are referenced to nominal
output level (0 dBV) unless otherwise stated.
NOTE: All specifications measured at 1 V RMS input, unbalanced output, sliders at mid position, and all switches out
unless otherwise noted.
QF
131
™
4.77
20, 25, 32, 40, 50, 63, 80,
100, 125, 160, 200, 250,
315, 400, 500, 630, 800,
1 k, 1.25 k, 1.6 k, 2 k, 2.5 k,
3.15 k, 4 k, 5 k, 6.3 k, 8 k,
10 k, 12.5 k, 16 k, 20 k
+12 dB / -18 dB
-101 dBV
-95 dBV
ALL MODELS
± 1 dB (20 Hz – 20 kHz)
.002% (20 Hz – 20 kHz)
Balanced 20 k ohms (equal impedances to ground)
660 ohms
+18 dBV (8 V RMS)
-18 dBV unbalanced; +21 dBV balanced
0 dBV (1 V RMS)
0 dBV (1 V RMS)
Nominal 18 dB
18 dB
+15 dB / -15 dB
40 Hz @ 24 dB per octave
Domestic: 120 VAC, 60 Hz, 12 Watts
Export: 220-230V~, 50/60 Hz, 12 Watts
3.5" (89 mm) H x 19" (483 mm) W x 7.375" (187 mm) D
7.8 lbs. (3.54 kg)
QF
215
™
2.3
25, 40, 63, 100, 160,
250, 400, 630, 1 k, 1.6 k,
2.5 k, 4 k, 6.3 k, 10 k, 16 k
+12 dB / -18 dB
-100 dBV
-98 dBV