dbx 231s - Graphic EQ

dbx 231s - Graphic EQ

dbx 231s - Graphic EQ

B&H # DB231S MFR # DBX231SV
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Product Highlights

  • Dual Channel
  • 2 x 31-Band
  • 1/3 Octave
  • Switchable Boost/Cut Range
  • 20mm Sliders
  • 4-Segment LED Ladders
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dbx 231s overview

  • 1Description

The 231s from dbx is a dual channel, 31 band, 1/3 octave graphic equalizer housed in a dual space, rack mount chassis. The processor is equally suitable for live applications, audio installations, and for use in a studio.

The unit features 20mm non-conductive sliders that can be set to either +/-6dB or +/-12dB of boost or cut. A global control provides +/-12 dB of input gain. A 12dB per octave, 3dB down at 50Hz low-cut filter can also be switched in if required.

From its extended frequency response and excellent dynamic range, to the quality components and meticulous attention to detail, the 231s offers exceptional sound and rugged reliability.

Dual-channel, 31-band, 1/3-octave, constant-Q graphic EQ
Switchable boost/cut ranges of +/-6 or +/-12 dB
20mm non-conductive sliders
12 dB per octave, 3 dB down at 50 Hz low-cut filter
+/-12 dB input gain range
Front-panel bypass switch
4-segment LED ladders for monitoring output levels
XLR and 1/4" TRS inputs and outputs
UPC: 691991401206
In the Box
dbx 231s - Graphic EQ
  • AC Power Cable
  • Two (2) Year Warranty
  • Table of Contents
    • 1Description

    dbx 231s specs

    Filter Type Graphic, constant Q
    Number of Channels 2
    Frequency Bands 31
    Bandwidth 1/3-octave
    Range (Boost/Cut) +/-6dB or +/-12 dB, switchable
    Inputs 2 x XLR (pin 2 hot)
    2 x 1/4" TRS phone

    Electronically balanced/unbalanced, RF filtered

    Input Impedance 40kΩ balanced, 20kΩ unbalanced
    Maximum Input Level >+21dBu balanced or unbalanced
    Outputs 2 x XLR (pin 2 hot)
    2 x 1/4" TRS phone

    Electronically balanced/unbalanced, RF filtered

    Output Impedance 100Ω balanced, 50Ω unbalanced
    Maximum Output Level >+21dBu balanced/unbalanced into 2kΩ or greater
    >+18dBm balanced/unbalanced into 600Ω
    Frequency Response FR: <10Hz to >50kHz, +0.5/-3.0dB
    Bandwidth: 20Hz to 20kHz, +0.5/-1.0dB
    Dynamic Range >112dB typical
    Noise SNR: >95dB typical
    THD + N <0.003%
    Crosstalk <-90dB, 20Hz to 20kHz
    CMRR >40dB, typically >55dB @ 1kHz
    Switches EQ Bypass - bypasses the graphic equalizer section in the signal path
    Low Cut - activates the 50Hz 12dB/octave high-pass filter
    Range - selects either +/- 6dB or +/-12dB slider boost/cut range
    Power Requirements 100~240VAC 50/60Hz
    15W power consumption
    Dimensions (WxHxD) 19 x 6 x 3.5" (483 x 152 x 89mm)
    Weight 6.2 lb (2.8kg)
    Specialties 20mm non-conductive sliders
    Packaging Info
    Package Weight 8.1 lb
    Box Dimensions (LxWxH) 21.7 x 11.3 x 4.8"

    dbx 231s reviews

    231s - Graphic EQ is rated 4.5 out of 5 by 10.
    Rated 5 out of 5 by from Ultra Cool.... Easy to use..Perfect I needed to tame a Tricky Room. This is Perfect. Now I have all the definition in the bass. It was just Mud Before. And the Mids and Highs are just right Now too. I was going to get a Parametric at first but this has all the power you need and is easier to use. And...The price is unbelievable!! Don't use the 12 dB setting unless you Really need it.... You might screw things up with huge swings like that.
    Date published: 2013-03-05
    Rated 5 out of 5 by from Great quality EQ This is a well built EQ that worked well for the application I needed. Gave me all the tonal shaping I needed for tuning a PA, and I could tell it was a well built unit.
    Date published: 2015-01-04
    Rated 5 out of 5 by from Works well Does what it says on the box without any fuss. Good value; well put together.
    Date published: 2011-06-01
    Rated 5 out of 5 by from Works great & does what it's suppose to Mix down & in house mastering - seems to do the job for me
    Date published: 2012-08-28
    Rated 5 out of 5 by from Great Eq Pros: Clear Sound,Easy To Use We replace our EQ for our bands mains with this one. It sounds great and is easy to use! I would definitely recommend this DBX EQ!!!
    Date published: 2016-12-27
    Rated 5 out of 5 by from I would recommend this product. This EQ was a great choice ! The control for every frequency works like a charm. The sound is clean and crystal clear.
    Date published: 2016-12-08
    Rated 3 out of 5 by from Great for the money Very good for the money. If you need an eq to get you out of a pinch this one will do the job perfectly.
    Date published: 2016-12-08
    Rated 4 out of 5 by from Wish I would have bought two! I really like the way this unit works and looks. Does a great job of removing those unwanted frequencies.
    Date published: 2014-09-04
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