Audio-Technica AT4021

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Compact cardioid small-diaphragm condenser with fixed-charge element, 80 Hz roll-off and 10 dB pad, giving a flat extended response for overheads, acoustic instruments and Foley.

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Audio-Technica AT4021
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Technical Registry

Audio

ElementFixed-charge back plate, permanently polarized condenser
Polar PatternCardioid
Frequency Response20-20,000 Hz
Low Frequency Roll Off80 Hz, 18 dB/octave
Open Circuit Sensitivity-34 dB (19.9 mV) re 1V at 1 Pa
Maximum Input Sound Level146 dB SPL, 1 kHz at 1% T.H.D.; 156 dB SPL, with 10 dB pad (nominal)
Noise14 dB SPL
Dynamic Range132 dB, 1 kHz at Max SPL
Signal-to-Noise Ratio80 dB, 1 kHz at 1 Pa
SwitchesFlat, roll-off; 10 dB pad

Physical

Phantom Power Requirements48V DC, 3.0 mA typical
Weight119 g (4.2 oz)
Dimensions144.0 mm (5.67") long, 21.0 mm (0.83") maximum body diameter
Output ConnectorIntegral 3-pin XLRM-type

Reference Pricing

New Price: US: $379 (Audio-Technica US) · UK: £349 (Audio-Technica UK)

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