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Audio-Technica® AT4050ST Stereo Condenser Microphone-AT4050ST

Model #: AT4050ST
151443
Audio-Technica
At a Glance

Audio-Technica® AT4050ST Stereo Condenser Microphone with transformerless circuitry and superior isolation

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Offering the realism of a live sound field, the AT4050ST is a side-address condenser with cardioid and figure-of-eight elements configured in a Mid-Side arrangement. This innovative stereo condenser allows sound recordists the choice of selecting a left-right stereo output or choosing discrete Mid-Side signals for later manipulation, a remarkable flexibility. The microphone’s dual-diaphragm capsules maintain precise polar pattern definition across the full frequency range. Its transformerless circuitry virtually eliminates low-frequency distortion.

  • Innovative side-address Mid-Side stereo microphone engineered for professional recording, broadcast and sound reinforcement
  • Independent cardioid and figure-of-eight condenser elements
  • Switch selection of Mid-Side mode and two internally matrixed stereo modes
  • Dual-diaphragm capsules maintain precise polar pattern definition across the full frequency range of the microphone
  • Transformerless circuitry virtually eliminates low-frequency distortion and provides superior correlation of high-speed transients
  • The 2-micron-thick, vapor-deposited gold diaphragms undergo a five-step aging process so that the optimum characteristics remain constant over years of use
  • Open acoustical environment of the 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 compliance with A-T’s stringent consistency and reliability standards
  • Custom shock mount provides superior isolation
  • Certified by the METAlliance (Music Engineering and Technology Alliance)
Useful Documents
Specifications

Additional Specifications

ELEMENTExternally-polarized (DC bias) condenser
POLAR PATTERNCardioid and Figure-of-eight
FREQUENCY RESPONSE20-18,000 Hz
LOW FREQUENCY ROLL-OFF80 Hz, 12 dB/octave
OPEN CIRCUIT SENSITIVITYStereo 90°: -42 dB (7.9 mV) dB re 1V at 1 Pa, Stereo 127°: -41 dB (8.9 mV) dB re 1V at 1 Pa, Mid: -36 dB (15.8 mV) dB re 1V at 1 Pa, Side: -36 dB (15.8 mV) dB re 1V at 1 Pa
IMPEDANCE50 ohms
MAXIMUM INPUT SOUND LEVELMid and Side: 149 dB SPL, 1 kHz at 1% T.H.D.; 159 dB SPL, with 10 dB pad (nominal)
NOISEStereo 90°: 25 dB SPL, Stereo 127°: 16 dB SPL, Mid: 15 dB SPL, Side: 17 dB SPL
DYNAMIC RANGE (typical)Mid: 134 dB, 1 kHz at Max SPL, Side: 132 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIOStereo 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)
SWITCHES90°, 127°, M-S; Flat, roll-off; 10 dB pad (nominal)
WEIGHT517 g (18.2 oz)
DIMENSIONS193.0 mm (7.60") long, 53.4 mm (2.10") maximum body diameter
OUTPUT CONNECTORIntegral 5-pin XLRM-type
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
ACCESSORIES FURNISHEDAT8449a shock mount for 5/8"-27 threaded stands; microphone dust cover; protective carrying case
AUDIO-TECHNICA CASE STYLER1

Misc. Specs

Polar PatternCardioid/Figure-8
Type Of MicrophoneCondenser
Height (in.)7.60
Manufacturer Warranty5 Year
Microphone Intended UseStudio; Live
ApplicationStudio; Live
Frequency Response20 - 18,000 Hz
Connection TypeIntegral 5-Pin XLRM-Type
WarningProposition 65 Warning for California Residents