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Audio-Technica AT4022

Omnidirectional Condenser Microphone

The AT4022 is an omnidirectional electret FET condenser with a small-diaphragm capsule designed for flat, extended frequency response. It is very similar to the Cardioid AT4021, differing primarily in polar pattern.

The mic’s published frequency-response graph shows an essentially flat response from 20Hz - 1500Hz. Above 1500Hz, the mic exhibits a few HF peaks, most notably at 8.5kHz (+4dB).

Switches on the mic body enable a -10dB pad and a -12dB/octave high-pass filter (at 80Hz).

As with the AT4021, the AT4022 uses a small-diaphragm electret capsule whose 2-micron membrane measures 16.3mm in diameter.

The mic ships with a clip (A-T p/n AT8405a), a foam windscreen, and a carrying case.

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Specifications

Frequency Response - OmnidirectionalClick Graph to Compare!

Pickup Patterns	Pads & Filters
Omnidirectional (19.9 mV/Pa; 20 - 20,000 Hz)	Pad: -10dB (Via Switch) Filter: HPF: -12dB/octave @ 80 Hz (Via Switch)

Capsule Dimensions	Impedance	SPL/Noise
Diaphragm diameter: 16.3mm Diaphragm gauge: 2 microns	250 Ohms (Low)	Max SPL: 156 dB Self-noise: 13.0 dB(A)

Weight	Length	Max Diameter	Interface(s)
124g (4.37oz)	144mm (5.67'')	21mm (0.83'')	3-pin XLR male (1)

Power Specifications
Requires phantom power Phantom voltage: 48v

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