DBX 1231 Dual 31 Band Graphic Equalizer

DBX 1231 Dual 31 Band Graphic Equalizer

The 1231 provides standard features like dual-channels, 31 1/3 octave bands, ISO frequency centers, +/- 12 dB input gain range, and switchable 40Hz/18 dB per octave low-cut filters, but also includes other insightful features. These include 45 mm faders; selectable +/-6dB or +/-15dB boost/cut range for precise gain adjustments; XLR, barrier strip, and 1/4'' TRS connectors for installation ease; balanced inputs and outputs for quiet operation; and chassis/signal ground lift capabilities for quick hum isolation.

The magnetically isolated transformer, electronically balanced/unbalanced inputs and servo balanced/unbalanced outputs, RF-filtered inputs and outputs, and power-off hard-wire relay bypass with 2 second power up delay were steps our engineers took to ensure compatibility for all installations. Only the best components were utilized, yielding a 10Hz to 50kHz frequency response, greater than 90dB SNR (ref +4dBu), less than 0.005% THD +Noise (1kHz at +4dBu), and interchannel crosstalk of less than -80dB from 20Hz to 20kHz. All this attention to detail is contained in a 3U steel/aluminum chassis.

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

·Dimensions: 5.25 x 19 x 7.9 inches (8.9 x 48.3 x 20.1 cm)

·Weight: 10.6 pounds

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