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Peavey QF 131EQ
High Performance Graphic Equalizer

peavey_qf_131.pdf
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Equalizer Rear View

Desription

The QF family features one dual-channel model and one single-channel unit, all incorporating Peavey's legendary low-noise, low-distortion design. Ruggedly constructed, QF Series EQs have 45 mm, center-detented control sliders enclosed in metal for durability. These two rack-space units also offer ±15 dB gain control and an LED display indicating output level. Other shared features include switchable low-cut filters, +21 dBu balanced inputs and outputs, and bypass switches. QF Series equalizer filters are set at ISO center frequencies within 3% accuracy. Whether on stage, in the studio, or simply tweaking your home hi-fi system, the QF Series has an EQ for you.

Key Features

  • ​31-band graphic EQ with +12 dB boost/-18 dB cut per band
  • 1/3 octave filter sets
  • Constant Q filters
  • Output level LEDs (-12 to +24 dB)
  • 18 dB per octave 40 Hz low-cut filter with status LED
  • 20 Hz to 20 kHz effective EQ range
  • XLR and 1/4 inch TRS inputs/outputs for balanced or unbalanced operation
  • Bypass switch with status LED
  • New improved FLS® circuitry for greater sensitivity
  • Weight: 7.8 lb(3.54 kg)
  • Dimension (H x W xD): 3.5" x 19" x 7.375" / 88.9mm x 483mm x 187mm

Specification

  • Filter Q: 4.77
  • Filter Frequencies (Hz): 20, 25, 32, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1k, 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
  • Maximum Boost and Cut Filter: +12 dB / -18 dB
  • Output Noise
  1. - Bypass Mode:  -101 dBV
  2. - Filter Mode (Flat): -95 dBV
  • Frequency Response: ± 1 dB (20 Hz – 20 kHz)
  • Distortion: .002% (20 Hz – 20 kHz)
  • Input Impedance: Balanced 20 k ohms (equal impedances to ground)
  • Output Impedance: 660 ohms
  • Maximum Input Level: +18 dBV (8 V RMS)
  • Maximum Output Level: -18 dBV unbalanced; +21 dBV balanced
  • Nominal Input Level: 0 dBV (1 V RMS)
  • Nominal Output Level: 0 dBV (1 V RMS)
  • Input Headroom: Nominal 18 dB
  • Output Headroom: 18 dB
  • Maximum Boost and Cut Gain: +15 dB / -15 dB
  • Low Cut Filter: 40 Hz @ 24 dB per octave
  • Power Consumption: Domestic: 120 VAC, 60 Hz, 12 Watts Export: 220-230V~, 50/60 Hz, 12 Watts
  • Dimension: 3.5" (89 mm) H x 19" (483 mm) W x 7.375" (187 mm) D
  • Weight: 7.8 lbs. (3.54 kg)
* 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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