SPECIFICATIONS* | QF™ 131 | QF™ 215 |
Filter Q | 4.77 | 2.3 |
Filter Frequencies (Hz) | 20, 25, 32, 40, 50, 63, 80, | 25, 40, 63, 100, 160, |
| 100, 125, 160, 200, 250, | 250, 400, 630, 1 k, 1.6 k, |
| 315, 400, 500, 630, 800, | 2.5 k, 4 k, 6.3 k, 10 k, 16 k |
| 1 k, 1.25 k, 1.6 k, 2 k, 2.5 k, |
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| 3.15 k, 4 k, 5 k, 6.3 k, 8 k, |
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| 10 k, 12.5 k, 16 k, 20 k |
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Maximum Boost |
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and Cut Filter | +12 dB / | +12 dB / |
Output Noise |
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Bypass Mode | ||
Filter Mode (Flat) | ||
| ALL MODELS |
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Frequency Response: | ± 1 dB (20 Hz – 20 kHz) |
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Distortion: | .002% (20 Hz – 20 kHz) |
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Input Impedance: | Balanced 20 k ohms (equal impedances to ground) | |
Output Impedance: | 660 ohms |
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Maximum Input Level: | +18 dBV (8 V RMS) |
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Maximum Output Level: |
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Nominal Input Level: | 0 dBV (1 V RMS) |
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Nominal Output Level: | 0 dBV (1 V RMS) |
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Input Headroom: | Nominal 18 dB |
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Output Headroom: | 18 dB |
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Maximum Boost and |
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Cut Gain: | +15 dB / |
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Low Cut Filter: | 40 Hz @ 24 dB per octave |
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Power Consumption: | Domestic: 120 VAC, 60 Hz, 12 Watts |
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| Export: |
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Dimension: | 3.5" (89 mm) H x 19" (483 mm) W x 7.375" (187 mm) D | |
Weight: | 7.8 lbs. (3.54 kg) |
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*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.
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