Audio-Technica AT4040
Large Diaphragm Cardioid Condenser Microphone

OUR PART #  AT4040


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The AT4040 side-address condenser microphone features an advanced large diaphragm tensioned specifically to provide smooth, natural sonic characteristics. A marriage of technical precision and artistic inspiration, the AT4040 offers exceptionally low noise, wide dynamic range and high-SPL capability for greatest versatility. This ultra-consistent microphone may be used with confidence in a wide variety of studio and live miking applications, even under the stringent demands of digital recording systems. The AT4040’s low-noise circuitry is symmetrical and transformerless, resulting in exceptional transient response and clean output signals for transparent reproduction of even the most troublesome of instruments and sound effects.

Audio-Technica AT4040 Features:

  • Technically-advanced large diaphragm tensioned specifically to provide smooth, natural sonic characteristics
  • Externally polarized (DC bias) true condenser design
  • Exceptionally low noise, wide dynamic range and high-SPL capability for greatest versatility
  • Transformerless circuitry virtually eliminates low-frequency distortion and provides superior correlation of high-speed transients
  • Precision-machined, nickel-plated brass, acoustic element baffle provides enhanced element stability and optimal sensitivity
  • Open acoustical environment of the symmetrical housing assembly minimizes unwanted internal reflections
  • State-of-the-art surface-mount electronics ensure compliance with A-T's stringent consistency and reliability standards
  • Custom shock mount provides superior isolation
  • Switchable 80 Hz hi-pass filter and 10 dB pad

Audio-Technica AT4040 Specifications:

  • Element: Externally-polarized (DC bias) condenser
  • Polar Pattern: Cardioid
  • Frequency Response: 20-20,000 Hz
  • Low Frequency Roll-Off: 80 Hz, 12 dB/octave
  • Open Circuit Sensitivity: -32 db (25.1 mV) re 1V at1Pa
  • Impedance: 100 ohms
  • Maximum Input Sound Level: 145 dB SPL, 1 kHz at 1%T.H.D.; 155 dB SPL, with 10 dB pad (nominal)
  • Noise: 12 dB SPL
  • Dynamic Range (typical): 133 dB, 1 kHz at Max SPL
  • Signal-to-Noise Ratio: 82 dB, 1 kHz at 1 Pa
  • Phantom Power Requirements: 48V DC, 4.2 mA typical
  • Switches: Flat, roll-off; 10 dB pad (nominal)
  • Weight: 12.7 oz
  • Dimensions: 6.69" long, 2.10" maximum body diameter
  • Output Connector: Integral 3-pin XLRM-type
  • Accessories Furnsished: AT8449 shock mount for 5/8"-27 threaded strands; microphone dust cover, protective carrying case
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