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UniSteep® 80 Hz Microphone Hi-pass Filter

*Manufacturer's Suggested Retail Price. Actual selling price may vary; please check with an authorized Audio-Technica dealer.

  • Overview
  • Features
  • Specifications

  • Overview

    The AT8683 provides a steep low-frequency attenuation to improve the quality of sound pickup under difficult conditions without affecting voice quality. Useful for minimizing background ambience, air conditioning rumble, mechanical noise and other undesired low-frequency sounds.
  • Features

    • Professional XLR-type input/output connectors

    • Can be installed anywhere in-line, either at the mixer input or near the microphone

    • 24-48V DC phantom power and balanced cables required for operation

    • Permits phantom voltage to pass on to the microphone

    • Rugged steel housing

  • Specifications

    Input/Output Connectors XLRF/XLRM-type
    Phantom Power 24-48V DC, 2-4 mA typical
    Frequency Response 80-20,000 Hz
    (18 dB/octave roll-off at 80 Hz)
    Gain Unity (0 dB), +0/-1.5 dB
    Noise (A-Weighted) -115 dBV typical
    Weight 8.8 oz (250 grams) typical
    Dimensions 5.12" (130.0 mm) W x
    2.36" (60.0 mm) D x
    1.73" (44.0 mm) H typical
    Input Impedance 2,100 ohms
    Output Impedance 150 ohms
    Maximum Input Level +3 dBV (1% T.H.D. at 1 kHz)
    Notes UniSteep Specifications measured at 48V phantom power, 150 ohms input load and 100,000 ohms output load.