Dbx iEQ31 Dual Channel 31 Band EQ Limiter


The dbx iEQ-31 is a dual channel, 31 band graphic equalizer that offers state-of-the-art digital EQ performance and specifications with an analog look and feel. Besides including two 31-band channels of 1/3-octave equalization, the unit also offers +12 dB input gain range, switchable +6 or +15dB boost/cut range and 40mm faders with nonconductive nylon sliders.


Dbx iEQ31 Dual Channel 31 Band EQ Limiter

The iEQ-31 also offers the AFS (Advanced Feedback Suppression) feedback elimination module. The AFS uses Precision Frequency Detection and state-of-the-art processing to determine the exact portions of a given frequency that is causing feedback without removing approximately half of the signal power, as is the case with the traditional method of moving the offending frequency's slider.

Additionally, the unit offers dbx Type V noise reduction and PeakStopPlus limiting for taming unwanted peaks. XLR, 1/4" and Euroblock inputs and outputs and an intuitive user interface with comprehensive output and gain reduction metering round out this professional EQ that is perfect for touring applications or in installed sound venues.

Dual channel, 31 band graphic equalizer in 3U rack-mount housing
1/3 octave constant Q frequency bands
Advanced Feedback Suppression (AFS)
dbx Type V noise reduction
PeakStopPlus limiting
Switchable boost/cut ranges of +/-6dB or +/-15dB
Low cut filter at 40Hz with 18dB per octave slope
Internal toroidal transformer
Relay bypass for power failure system protection


Filter Type Graphic, constant Q
Number of Channels Two
Inputs 2 x XLR (2-pin hot)
2 x 1/4" TRS phone
Outputs 2 x XLR (2-pin hot)
2 x 1/4" TRS phone
Maximum Input Level +22dBu, balanced or unbalanced
Frequency Bands 2 x 31, ISO spacing
Bandwidth 1/3 octave
Range (Boost/Cut) +/-6dB or +/-15dB, selectable
Maximum Output Level +20dBu balanced/unbalanced into 2k Ω or greater
Frequency Response 20Hz to 20kHz, +0.5/-0.25dB
Dynamic Range >113dB, "A" weighted
Noise Not specified by manufacturer
Dimensions (WxDxH) 19" x 8" x 5 1/4"
Weight 9.25 lbs
Specialties 24-bit/48kHz internal conversion with 2mSec latency

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See Also : Equalizer, Dbx