DBX EQUALIZER 2231 20 SERIES Graphic Equalizer/Limiter with Type III Noise Reduction （Black)

roduct Description

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 measurment 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

Interchannel 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)