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Audio-Technica AT4050ST Stereo Condenser Microphone
Audio-Technica AT4050ST Stereo Condenser Microphone

Audio-Technica AT4050ST Stereo Condenser Microphone

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SoundPro Item: 58477
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Audio-Technica’s innovative and versatile AT4050ST Stereo Condenser Microphone is an ideal mic for capturing live sound in broadcast, professional recording, sound reinforcement, and other live-sound applications where capturing realistic audio is critical.

This side-address condenser features independent cardioid and figure-eight elements that are configured in a Mid-Side arrangement. This innovative stereo condenser enables you to choose from Left and Right stereo outputs or Mid-Side signals for later manipulation. The AT4050ST also offers the choice to switch selection of Mid-Side mode and two internally matrixed stereo modes.

The AT4050ST features transformerless circuitry, which eliminates almost all instances of low-frequency distortion and delivers superior correlation of high-speed transients. This mic also features an integrated 80 Hz high-pass filter and a 10 dB pad switch.

Dual-diaphragm capsules maintain precise polar pattern definition across the AT4050ST’s full frequency range. The vapor-deposited gold diaphragms are 2 microns thick and undergo a five-step aging process for a consistently remarkable performance that will serve you well for years.

The open acoustical environment of this microphone’s symmetrical housing assembly helps minimize unwanted internal reflections. Rounding out the AT4050 is an included custom AT8449a shock mount for 5/8"-27 threaded stands that allows for even better isolation from handling noise, a microphone dust cover to keep it clean between use, and an R1 protective carrying case for safe transport and secure storage. Boasting certification from the METAlliance (Music Engineering and Technology Alliance), the AT4050ST’s state-of-the-art design and manufacturing techniques meet Audio-Technica’s rigorous standards of consistency and reliability, ensuring you get great quality and longevity out of your audio equipment.

Audio-Technica AT4050ST Features

  • Independent cardioid and figure-of-eight condenser elements
  • Switch selection of Mid-Side mode and two internally matrixed stereo modes
  • The 2-micron-thick, vapor-deposited gold diaphragms 
  • Symmetrical housing assembly minimizes unwanted internal reflections
  • Integral 80 Hz high-pass filter switch and 10 dB pad switch
  • State-of-the-art design and manufacturing techniques ensure consistency and reliability standards
  • Custom shock mount provides superior isolation
  • Certified by the METAlliance (Music Engineering and Technology Alliance)
  • AT4050ST Stereo Condenser Microphone1
  • AT8449a Shock Mount for 5/8"-27 threaded stands1
  • Microphone Dust Cover1
  • R1 Protective Carrying Case1
  • Transducer TypeDC Bias Condenser
  • Polar Patterns (selectable)Cardioid, Figure-8
  • Frequency Response20 Hz - 18 kHz
  • Output Impedance50 ohms
  • Open Circuit Sensitivity
    • Stereo 90°: -42 dBV/Pa (7.9 mV)
    • Stereo 127°: -41 dBV/Pa (8.9 mV)
    • Mid: -36 dBV/Pa (15.8 mV)
    • Side: -36 dBV/Pa (15.8 mV)
  • Low Frequency Roll Off80 Hz, 12 dB/octave
  • Maximum Input Sound Level
    • Mid and Side: 149 dB SPL, 1 kHz at 1% T.H.D.
    • 159 dB SPL, with 10 dB pad (nominal)
  • Noise
    • Stereo 90°: 25 dB SPL
    • Stereo 127°: 16 dB SPL
    • Mid: 15 dB SPL
    • Side: 17 dB SPL
  • Dynamic Range
    • Mid: 134 dB, 1 kHz at Max SPL
    • Side: 132 dB, 1 kHz at Max SPL
  • Signal-to-Noise Ratio
    • Stereo 90°: 69 dB, 1 kHz at 1 Pa
    • Stereo 127°: 78 dB, 1 kHz at 1 Pa
    • Mid: 79 dB, 1 kHz at 1 Pa
    • Side: 77 dB, 1 kHz at 1 Pa
  • Phantom Power Requirements48V DC, 6.4 mA typical (both channels total)
  • Switches
    • 90°, 127°, M-S
    • Flat, roll-off
    • 10 dB pad (nominal)
  • Connector5-Pin XLRM
  • Cable5.0 m (16.5') long, 8-conductor, shielded, vinyl-jacketed stereo cable with 5-pin XLRF-type connector at microphone end and two 3-pin XLRM-type connectors at output end
  • Dimensions
    • 193.0 mm (7.60") long
    • 53.4 mm (2.10") maximum body diameter
  • Weight517 g (18.2 oz)

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