Stereo Condenser Microphone

Stereo Condenser Microphone Stereo Condenser Microphone Stereo Condenser Microphone Stereo Condenser Microphone Stereo Condenser Microphone
Stereo Condenser Microphone
AT4050ST
Stereo Condenser Microphone

Overview

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)

Features

  • Offering the realism of a live sound field, the AT4050ST is a side-address condenser with cardioid and figure-ofeight 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
Tech Specs

Technical Specification

SKU AT4050ST
Frequency Response 20-18,000 Hz
Impedance 50 ohms
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
Element Externally-polarized (DC bias) condenser
Polar Pattern Cardioid and Figure-of-eight
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
Output connector Integral 5-pin XLRM-type
Phantom Power Requirements 48V DC, 6.4 mA typical (both channels total)
Maximum Input Sound Level 149 dB SPL, 1 kHz at 1% T.H.D.; c159 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
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
Switches 90°, 127°, M-S; Flat, roll-off; 10 dB pad (nominal)
Dynamic Range Mid: 134 dB, 1 kHz at Max SPL Side: 132 dB, 1 kHz at Max SPL
Dimensions 193.0 mm (7.60") long, 53.4 mm (2.10") maximum body diameter
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