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AT4033a

Cardioid Condenser Microphone


U.S. Five-Year Limited End-User Warranty

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

  • studio microphone
  • side-address microphone
  • microphone for studio
  • studio condenser microphone
  • accessories for side-address microphone


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  • Overview
  • Features
  • Specifications
  • Reviews
  • Q & A

  • Overview


    The latest edition of the legendary AT4033 microphone, the side-address AT4033a offers low-noise, symmetrical, transformerless circuitry that results in exceptional transient response and clean output signals. A studio classic and bluegrass favorite, the AT4033 cardioid studio condenser is the microphone that broke the US$1000-barrier in its class. A strong up-front presence characterizes the sonic signature of this 40 Series pro-audio classic. The AT4033a’s 80Hz high-pass filter easily switches between flat frequency response and a low-end roll-off that diminishes ambient noise and popping with closely-miked vocals. Includes the AT8449a shock mount for superior isolation.

    *The AT4033a is the same microphone as the AT4033/CL. The AT4033a comes equipped with the AT8449a shock mount whereas the AT4033/CL included the AT8449 shock mount.*

  • Features


    • 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

    • The 2-micron-thick, vapor-deposited gold diaphragm undergoes a five-step aging process so that the optimum characteristics achieved remain constant over years of use

    • Floating-construction capsule assembly provides isolation from noise and vibration

    • 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

  • Specifications

    ELEMENTFixed-charge back plate, permanently polarized condenser
    POLAR PATTERNCardioid
    FREQUENCY RESPONSE30-20,000 Hz
    LOW FREQUENCY ROLL-OFF80 Hz, 12 dB/octave
    OPEN CIRCUIT SENSITIVITY-32 dB (25.1 mV) re 1V at 1 Pa
    IMPEDANCE100 ohms
    MAXIMUM INPUT SOUND LEVEL145 dB SPL, 1 kHz at 1% T.H.D.;
    155 dB SPL, with 10 dB pad (nominal)
    NOISE17 dB SPL
    DYNAMIC RANGE (typical)128 dB, 1 kHz at Max SPL
    SIGNAL-TO-NOISE RATIO77 dB, 1 kHz at 1 Pa
    PHANTOM POWER REQUIREMENTS48V DC, 3.2 mA typical
    SWITCHESFlat, roll-off;
    10 dB pad (nominal)
    WEIGHT13.4 oz (380 g)
    DIMENSIONS6.69" (170.0 mm) long,
    2.10" (53.4 mm) maximum body diameter
    OUTPUT CONNECTORIntegral 3-pin XLRM-type
    ACCESSORIES FURNISHEDAT8449a shock mount for 5/8"-27 threaded stands; microphone dust cover; protective carrying case
    AUDIO-TECHNICA CASE STYLER1
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