RDL RU-EQ3 Equalizer

RDL RU-EQ3 - 3-Band Audio Equalizer

RDL RU-EQ3 - 3-Band Audio Equalizer

B&H # RDRUEQ3 MFR # RU-EQ3
RDL RU-EQ3 Equalizer

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  • 1Description

The RU-EQ3 from RDL is a three band, shelving single channel EQ and features a balanced bridging input, which may be connected unbalanced if desired. The output driver is 150 Ω balanced, and is intended to drive unbalanced or balanced lines of 150 Ω or higher impedance.

The three front-panel knobs provide active equalization, each controlling a separate audio band. The bands were carefully selected to yield a module that works effectively in a wide variety of systems with each band's center frequency being either boosted or attenuated by up to12dB.

The bandwidths of the low and high bands were selected so that those controls can be functionally considered as bass and treble controls. A third midrange control is optimized to voice band adjustment, with the overlap tailored to provide smooth operation for wideband music applications.

A feature unique to the RU-EQ series is the OVERLOAD indicating LED. When audio signals are equalized, the boosted level can cause the output circuit to clip. The OVERLOAD indicator flashes if either the input or output stage clips.

Single channel, three-band audio equalizer
Low, mid and high band, low-noise, low-distortion shelving EQ
Custom tailored audio bandwidth
User-accessible adjustments
High-density rack-mount convenience
In the Box
RDL RU-EQ3 - 3-Band Audio Equalizer
  • Three (3) Year Warranty
  • Table of Contents
    • 1Description
    Filter Type Shelving
    Number of Channels Single
    Inputs 100 kΩ balanced or unbalanced bridging, line-level
    Outputs 100 kΩ balanced or unbalanced bridging, line-level
    Maximum Input Level Not specified by manufacturer
    Frequency Bands Low Band: 80Hz center
    Mid Band: 1kHz center
    High Band: 30kHz center
    Bandwidth Low Band: 20Hz to 300Hz
    Mid Band: 200Hz to 7kHz
    High Band: 3kHz to 30kHz
    Range (Boost/Cut) +/-12dB
    Maximum Output Level Not specified by manufacturer
    Frequency Response 20Hz to 22kHz, +/-0.5dB into 600 Ω (EQ set flat)
    Dynamic Range Not specified by manufacturer
    Noise <-80dB below +4dBu
    Dimensions (WxDxH) 5 5/8" x 2 1/2" x 1 3/4"
    Weight Not specified by manufacturer
    Specialties Requires ground-referenced, 24 to 33Vdc @ 150mA power source
    Packaging Info
    Package Weight 0.8 lb
    Box Dimensions (LxWxH) 7.0 x 4.375 x 2.25"

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