AT4050ST Stereo Condenser Microphone


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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 MET Alliance (Music Engineering and Technology Alliance)

Element: Externally-polarized (DC bias) condenser
Polar Pattern: Cardioid and Figure-of-eight
Frequency Response: 20-18,000 Hz
Low Frequency Roll-off: 80 Hz, 12 dB/octave
Open Circuit Sensitivity: Stereo 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
Impedance: 50 ohms
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 (Typical): 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 Requirements: 48V DC, 6.4 mA typical (both channels total)
Switches: 90°, 127°, M-S; Flat, roll-off; 10 dB pad (nominal)
Weight: 517 g (18.2 oz)
Dimensions: 193.0 mm (7.60") long, 53.4 mm (2.10") maximum body diameter
Output Connector: Integral 5-pin XLRM-type
Cable: 5.0 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 Furnished: AT8449a shock mount for 5/8"-27 threaded stands; microphone dust cover; protective carrying case
Audio-Technica Case Style: R1
More Information
Weight 4.210000
Length 9.72
Width 11.34
Height 4.25
Color Black
Manufacturer Audio-Technica
Manufacturer Model Number AT4050ST
Manufacturer Part Number AT4050ST
UPC 4961310137779
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