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Audio Technica AT4050ST Stereo Condenser Microphone

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Category: Audio-Technica, Pro-Audio-Recording-Large-Diaphragm-Condenser


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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

 

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 (Typcial)

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

517g

Dimensions

193mm long, 53.4mm maximum body diameter

Output Connector

Integral 5-pin XLRM-type

Cable

5.0 m 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

AT8449 shock mount for 5/8″-27 threaded stands; 5/8″-27 to 3/8″-16 threaded adapter; microphone dust cover; protective carrying case

Audio-Technica Case Style

R1

 

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