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Audio-Technica® AT4021 Cardioid Condenser Microphone-AT4021

Model #: AT4021
151347
Audio-Technica
At a Glance

Audio-Technica® AT4021 Cardioid Condenser Microphone with wide dynamic range and high SPL handling

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Ideal for critical studio and live applications, the low-profile AT4021 offers a flat, extended frequency response, high maximum SPL and wide dynamic range. Its low self-noise is perfectly suited for the most sophisticated recording equipment. Its low-mass diaphragm improves transient response, increases response bandwidth and reduces handling and mechanical noise transfer. The microphone offers outstanding reproduction of low-frequency sounds.

  • Outstanding performance and rugged construction
  • High SPL handling and wide dynamic range
  • Flat, extended frequency response
  • Switchable 80 Hz hi-pass filter and 10 dB pad
  • High front-to-back rejection ratio—cardioid polar pattern improves isolation of desired sound source
  • Low self noise perfectly suited for digital recording equipment
  • Exceptional reproduction of low frequency sounds
  • Low-mass element for superb transient response
Useful Documents
Specification Sheet
Specifications

Additional Specifications

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
IMPEDANCE250 ohms
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 RANGE (typical)132 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO80 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIREMENTS48V DC, 3.0 mA typical
SWITCHESFlat, roll-off; 10 dB pad
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
ACCESSORIES FURNISHEDAT8405a stand clamp for 5/8"-27 threaded stands; windscreen; protective carrying case
AUDIO-TECHNICA CASE STYLES1

Misc. Specs

Polar PatternCardioid
Type Of MicrophoneCondenser
Height (in.)5.67
Manufacturer Warranty5 Year
Microphone Intended UseStudio; Live
ApplicationStudio; Live
Frequency Response20 - 20,000 Hz
Connection TypeIntegral 3-Pin XLRM-Type
WarningProposition 65 Warning for California Residents
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