DBX 2231 31 Band Stereo Graphic Equalizer and Compressor

With a prestigious heritage extending back to our heralded 30 Series equalizers, the DBX 2231 easily lives up to the revered DBX reputation. Besides including two 31-band channels of 1/3-octave equalization, the 2231 empowers you with flexible features like our PeakPlus™ limiter circuit, and our amazing Type III™ Noise Reduction system. It also includes +12 dB input gain range; switchable +6 or +15 dB boost/cut range; XLR, Barrier strip, and 1/4'' inputs; non-conductive nylon sliders; and an intuitive user interface with comprehensive output and gain reduction metering. As always, the inevitable result of our meticulous attention to detail and top-quality component selection is exceptional sound, performance, and reliability.

Features:

• DBX’s revolutionary Type III™ Noise Reduction system, which increases S/N ratio by up to 20dB
• PeakPlus™ limiting technology with threshold range from 0dBu to +24dBu (off)
• Two 31-band, 1/3-octave channels with switchable boost/cut ranges of +6 or +15 dB
• +12 dB input gain range
• XLR, Barrier strip, and 1/4" inputs
• 4-segment LED ladders for monitoring of gain reduction and output levels–the most comprehensive visual feedback available
• Exceptional sound quality
• DBX’s unmatched engineering and construction standards

Specifications:

• Input Connectors: 1/4" TRS, female XLR (pin 2 hot), and barrier terminal strip
• Input Type: Electronically balanced/unbalanced, RF filtered
• Input Impedance: Balanced 40 kOhm, unbalanced 20 kOhm
• Max Input: >+21dBu balanced or unbalanced
• CMRR: >40dB, typically >55dB at 1kHz
• Output Connectors: 1/4" TRS, male XLR (pin 2 hot), and barrier terminal strip
• Output Type: Impedance-balanced/unbalanced, RF filtered
• Output Impedance: Balanced 200 ohm, unbalanced 100 ohm
• Max Output: >+21dBu balanced/unbalanced into 2 kOhm or greater; >+18dBm balanced/unbalanced (into 600 ohm)
• Bandwidth: 20Hz to 20kHz, +/-0.5dB
• Frequency Response: <10Hz to >50kHz, +0.5/-3dB
• Signal-to-Noise (NR In: +/-6 and +/-15dB ranges): >102dB, unweighted, ref: +4dBu, 22kHz measurement bandwidth
• Dynamic Range (NR In: +/-6dB and +/-15dB ranges): >120dB, unweighted
• Signal-to-Noise (NR Out: +/-6dB range): >94dB, unweighted, ref: +4dBu, 22kHz measurement bandwidth
• Dynamic Range (NR Out: +/-6dB range): >112dB, unweighted
• Signal-to-Noise (NR Out: +/-15dB range): >90dB, unweighted, ref: +4dBu, 22kHz measurement bandwidth
• Dynamic Range (NR Out: +/-15dB range): >108dB, unweighted
• THD+Noise: <0.04%, 0.02% typical at +4dBu, 1kHz
• Inter-channel Crosstalk: <-80dB, 20Hz to 20kHz
• Noise Reduction: Up to 20dB of dynamic broadband noise reduction
• NR Switch: Activates DBX Type III Noise Reduction
• Bypass Switch: Bypasses the graphic equalizer section in the signal path
• Low cut Switch: (recessed) Activates the 40Hz 18dB/octave Bessel high-pass filter
• Range Switch: (recessed) Selects either +/- 6dB or +/- 15dB slider boost/cut range
• I/O Meter: 4-LED bar graph (Green, Green, Yellow, Red) at -10, 0, +10, and +18dBu
• Gain Reduction Meter: 4-LED bar graph (all Red) at 0, 3, 6, and 10dB
• Indicators: NR Active (Yellow); EQ Bypass (Red); Clip (Red); Low Cut (Red); +/-6dB (Yellow); +/-15dB (Red)
• Operating Voltage: 100VAC 50/60Hz; 120VAC 60Hz; 230VAC 50/60Hz
• Power Consumption: 28W
• Power Connector: IEC receptacle
• Dimensions: 5.25" H X 19" W X 7.9" D (13.335cm x 48.3cm x 20.1cm)