dbx 1231 Dual Channel 31-Band Equalizer

dbx 1231 Dual Channel 31-Band Equalizer

$519.00
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SKU: DBX1231 Category:

dbx 1231 is a dual channel, 31 band 1/3 octave graphic equalizer providing such standard features as dual channels of 31 – 1/3-octave bands, ISO frequency centers, +/-12dB of input gain range, and switchable 40Hz/18dB per octave low-cut filters. Other features on the 1231 Equalizer include 45mm faders, selectable +/-6dB or +/-15dB boost/cut range, XLR, barrier strip, and 1/4″ TRS connectors, balanced inputs and outputs, and chassis/signal ground lift for quick hum isolation.

Features

Switchable boost/cut ranges of ±6 or ±15 dB

Electronically balanced/unbalanced inputs

Servo balanced/unbalanced outputs

RF filtered inputs and outputs

XLR, Barrier Strip, and 1/4″ TRS connectors

-12dB/+12dB input gain range

18dB/octave 40Hz Bessel low-cut filter

Chassis/signal ground lift capability

Internal power supply transformer

Power-off hardwire relay bypass with 2-second power-up delay

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, +0.5/-1dB

Frequency Response: 50kHz, +0.5/-3dB; +/-15dB range; +/-6dB range

Dynamic Range: 109dB; 115dB

Signal to Noise Ratio: 90dB, 97dB

THD+Noise: <0.005%

Interchannel Crosstalk: <-80db, 20Hz to 20kHz

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

Indicators: EQ Bypass (Red); Clip (Red); Low Cut (Red); +/-6dB (Yellow); +/-15dB (Red)

Operating Voltage: 100VAC 50/60Hz; 120VAC 60Hz; 230VAC 50/60Hz

Power Consumption: 24W

Power Connector: IEC receptacle

Dimensions (WxHxD): 19 x 5.25 x 7.9″ (48.3 x 13.4 x 20.1cm)

Unit Weight: 10.6 lbs.

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