No description

Line + Gradient Condenser Microphone

BP4071
  • 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
  • Innovative acoustic design provides same directivity as mics up to 50% longer
  • Rugged housing made of lightweight structural-grade aluminum alloy
  • Transformerless design for improved pickup of transients
  • Switchable 80 Hz high-pass filter & 10 dB pad

    With directivity equal to mics up to 50% longer, the BP4071 has been specially created to meet the pickup demands of broadcasting, film/TV sound, professional recording, wildlife recording and theater sound reinforcement. Particularly useful for miking dynamic action in film/TV audio as well as in “spot” miking techniques in the music studio or theater, the 395mm long BP4071 provides a low noise floor and direct-coupled, balanced output for a clean signal even in high-output conditions. Audio-Technica has pioneered an interference tube design in the BP4071 that provides the same directivity as mics up to 50 percent longer.



    • audio technica BP4071
  • BP4071 Specifications

    Element

    Externally polarized (DC bias) condenser

    Polar Pattern

    Line + gradient

    Frequency Response

    20 ~ 20,000Hz

    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

    136 g

    Dimensions

    21mm X 395mm (Diameter X Long)

    Accessories Furnished

    AT8405a stand clamp for ⅝”-27 threaded stands;
    AT8145 windscreen;
    two o-rings;
    ⅝”-27 to ⅜”-16 threaded adapter;
    protective carrying case

    Download

    audio technica support BP4071.pdf - Operation Manual