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Line + Gradient Condenser Microphone

BP4071L
  • Overall length of 539mm with an extremely narrow, highly directional pickup pattern
  • Designed for use in broadcasting, film/TV production, and theater sound reinforcement applications
  • Direct-coupled, balanced output ensures a clean signal even in high-output conditions
  • Transformerless design for improved pickup of transients
  • Rugged housing made of lightweight structural-grade aluminum alloy
  • Interference tube design for narrow acceptance angle
  • Switchable 80 Hz high-pass filter & 10 dB pad

    At 539mm long, Audio-Technica’s new BP4071L is among the longest shotgun microphones on the market today. Originally developed at the request of broadcast professionals, this microphone boasts an extremely narrow polar pattern, excellent rejection from the sides and rear of the microphone, along with crisp, intelligible audio reproduction. It offers switchable low-frequency roll-off and a 10 dB pad, and comes generously equipped with a stand clamp, windscreen, and case.



    • audio technica BP4071L
  • BP4071L Specifications

    Element

    Externally polarized (DC bias) condenser

    Polar Pattern

    Line + gradient

    Frequency Response

    20 ~ 18,000Hz

    Low Frequency Roll-Off

    80Hz,12dB/octave

    Open Circuit Sensitivity

    -29 dB (35.5 mV) re 1V at 1 Pa

    Impedance

    50 Ω

    Maximum Input Sound Level

    141 dB SPL, 1 kHz at 1% T.H.D.;
    151 dB SPL, with 10 dB pad

    Noise

    13 dB SPL

    Dynamic Range (Typical)

    128 dB, 1 kHz at Max SPL

    Signal-To-Noise Ratio

    81 dB, 1 kHz at 1 Pa

    Phantom Power

    48V DC, 4.6 mA typical

    Switch

    Flat, roll-off; 10 dB pad (nominal)

    Weight

    175 g

    Dimensions

    21mm X 539mm (Diameter X Long)

    Accessories Furnished

    AT8405a stand clamp for ⅝”-27 threaded stands;
    AT8147 windscreen;
    two o-rings;
    ⅝”-27 to ⅜”-16 threaded adapter;
    protective carrying case

    Download

    audio technica support BP4071L.pdf - Operation Manual