RDL®

ST-CX2

Two Band Active Line-level Crossover

SKU: ST-CX2
  • Active Low-Frequency Woofer Equalization
  • Active Full-Range Equalization
  • Adjustable Equalization
  • Crossover with Loop-through Output
  • Low-Noise and Low-Distortion Crossover
  • RDL® SupplyFlex™ Power Input Configuration
  • Recommended Power Supply ( Not Included )
    PS-24AS (USA)PS-24AX (International)

    Description

    The ST-CX2 is a line-level two band crossover to drive audio power amplifiers. The input and outputs are balanced and may be connected unbalanced if necessary. The input accepts a +4 dBu line-level signal. The module operates at nominal unity gain.

    The FULL RANGE output is designed for use with full-range speaker systems which do not contain a woofer (below 100 Hz). The passband is 100 Hz to 30 kHz, with an equalization adjustment centered at 2 kHz. Through the application of a smile-curve providing up to 8 dB attenuation through midband audio frequencies, the performance of the whole system may be significantly enhanced.

    The WOOFER output is designed for use with woofers amplified independently of any full-range speakers. The passband is 40 Hz to 165 Hz when set flat, with an equalization BOOST adjustment centered at 50 Hz.

    For systems also incorporating subwoofers, the LOOP THRU output connects to an input of the RDL ST-CX2S Subwoofer Crossover. The ST-CX2 features RDL's SupplyFlex power input configuration for operation directly from ground-referenced, floating or bipolar 24 Vdc power.

    Specifications

    Input:50 kΩ balanced line-level (+4 dBu)
    Outputs (2):150 Ω balanced line-level (+4 dBu)
    Headroom:> 18 dB
    Gain:Unity (nominal, equalization set flat)
    Out-of-Band Rolloff:18 dB/octave

    FULL RANGE Output:
    Frequency Response:100 Hz to 30 kHz (± 0.5 dB)
    THD+N:< 0.075% (100 Hz to 30 kHz)
    Residual Noise:< -80 dB (referred to +4 dBu)

    WOOFER Output:
    Frequency Response:40 Hz to 165 Hz (± 0.5 dB)
    THD+N:< 0.025% (40 Hz to 165 Hz)
    Residual Noise:< -95 dB (referred to +4 dBu)
    Ambient Operating Environment:0° C to 55° C
    Power Requirement:GROUND-REFERENCED or FLOATING 24 Vdc @ 40 mA
    Package Type:Cardboard Box
    Tariff code:8543.70.9860
    WEEE weight:0.145 lbs.
    Shipping Weight:0.195 lbs.
    Package Dimensions:2 x 2 x 4 in.

    Related Products

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      Subwoofer Crossover Filter

    • ST-HP3

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    Processing
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      3 Band Equalizer - Line Level

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    Dimensions

    ST-CX2

    Downloads

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    DatasheetPDF
    CAD FilesUnitsFormat
    Engineering Functional BlockAmericanDXF
    Panel Diagram - EndAmericanDXF
    Panel Diagram - FrontAmericanDXF
    Panel Diagram - EndMetricDXF
    Panel Diagram - FrontMetricDXF
    High Res ImagesFormat
    st-cx2.zipTIF
    Declaration of Conformity
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