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FS: BSS DPR 901-II DYNAMIC EQ compressor


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  • FS: BSS DPR 901-II DYNAMIC EQ compressor

    For Sale: Used BSS DPR 901 II in excellent condition. The 901 II is a multi-band compressor, also known as a dynamic equalizer. Think of it as four compressor/expanders, each with a sidechain EQ. Many live sound engineers use a 901 to smooth vocals, which is what I used it for.

    $750 OBO

    Here is a description of the DPR 901 II from the BSS website:

    The DPR-901 II is a four-band parametric Dynamic Equaliser which allows frequency-selective compression (-3OdB) and expansion (+16dB).

    Each band has:

    A frequency sweep.
    A bell width.
    An IN/OUT switch.
    Compress/expand control.
    Compress/expand metering.
    Threshold metering.
    Time constants which are automatically controlled by dynamic and harmonic content of signal with selectable FAST RELEASE.

    It has a filter switch on bands 1&4 which changes bell filter response to a shelving response and on bands 2 & 3 cancels the filter for wide band operation.

    Electronically balanced input and output.

    The unit may be set up as a 1 input/4band or 2 input / 2 bands per channel device, and the filter side chain may be monitored to allow precise tuning of the audio spectrum to be effected.