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Three Band Audio Equalizer with Knobs - Terminal block

Three Band Audio Equalizer with Knobs - Terminal block

Part #: RU-EQ3   Manufacturer: Radio Design Labs

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Product Description

The RU-EQ3 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. Front-panel knobs provide active equalization, each controlling a separate audio band. These bands were carefully selected to yield a module that works effectively in a wide variety of systems. Each band???s center frequency can be either boosted or attenuated by at least 12 dB. The Q of the low and high band equalizers was selected so that those controls can be functionally considered as a total bass band or treble band control. The RU-EQ3 adds a third control. This midrange control is optimized to voice band adjustment, with the overlap tailored to provide smooth operation for wideband music applications. The RU-EQ3's OVERLOAD indicator flashes if either the input or output stage clips.

Input:100 kΩ balanced or unbalanced bridging; line-level
THD+N:< 0.030%; 0.010% typ. (1 kHz, +4 dBu reference; flat response)
CMRR:> 60 dB (100 Hz)
Frequency Response:20 Hz to 22 kHz (EQ set flat; +/- 0.5 dB into 600 Ω)
10 Hz to 22 kHz (EQ set flat; +/- 0.5 dB into 10 kΩ)
Noise:< -80 dB (below +4 dBu)
Center Frequencies:Low Band: 80 Hz
Mid Band: 1 kHz
High Band: 30 kHz
Bandwidth:Low Band: 20 Hz to 300 Hz
Mid Band: 200 Hz to 7 kHz
High Band: 3 kHz to 30 kHz
Power Requirement:GROUND-REFERENCED, 24 to 33 Vdc @ 25 mA
Ambient Operating Environment:0° C to 55° C

Additional Information

Manufacturer: Radio Design Labs
Part#: RU-EQ3
Unit: Each
Carton: 1

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