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Audio-Technica AT2021 Small-diaphragm Cardioid Condenser Microphone

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Ideal for home studio and live applications, the low-profile AT2021 offers an extended frequency response, high maximum SPL, and wide dynamic range. ...Click To Read More About This Product

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Studio quality at a garage band price!

Ideal for home studio and live applications, the low-profile AT2021 offers an extended frequency response, high maximum SPL, and wide dynamic range. The microphone is outstanding for acoustic guitar, overheads, piano, and group vocals. Its low-mass element offers a superb transient response. The AT2021 requires phantom power.

Ideal for acoustic guitar, overheads, piano and group vocals 
Condenser design for studio-quality vocal and instrument applications
Excels in high-SPL applications
Extended response for smooth, natural sonic characteristics
Low-mass element for superb transient response
Corrosion-resistant contacts from gold-plated XLRM-type connector
Rugged design and construction for reliable performance
Cardioid polar pattern reduces pickup of sounds from the sides and rear, improving isolation of desired sound source
Element: fixed-charge back plate, permanently polarized condenser 
Polar pattern: cardioid
Frequency response: 30-20,000 Hz
Open circuit sensitivity: -39 dB (11.2 mV) re 1V at 1 Pa
Impedance: 250 ohms
Maximum input sound level: 145 dB SPL, 1 kHz at 1% T.H.D.
Dynamic range (typical): 126 dB, 1 kHz at Max SPL
Signal-to-noise ratio: 75 dB, 1 kHz at 1 Pa
Phantom power requirements: 48V DC, 2 mA typical
Weight: 83 g (2.9 oz)
101.5 mm (4.00") long
21.0 mm (0.83") maximum body diameter

Output connector: integral 3-pin XLRM-type
Accessories furnished: stand clamp; soft protective pouch


Review Snapshot

by PowerReviews
Audio-TechnicaAT2021 Small-diaphragm Cardioid Condenser Microphone

(based on 1 review)

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Reviewed by 1 customer

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(3 of 3 customers found this review helpful)


Good value

By Dave

from San Francisco, CA

About Me Professional Musician


  • Clear Sound
  • Compact
  • Easy To Use


  • Very bright

Best Uses

  • Home Studio

Comments about Audio-Technica AT2021 Small-diaphragm Cardioid Condenser Microphone:

I bought this mic originally to blend some acoustic sounds from my archtop with the sound from my amp. I place it overhead when I record, and it does a great job for that. Easy and effective.

I recently recorded my classical (nylon string) guitar with this mic. I found I could get good clarity and plenty of bass about 2 feet from the guitar's body. Any closer and it's mud, any farther and the bass attenuates too much. The high end gets bright starting at about 4K (emphasizing string noise) and it falls off rapidly at about 15K (so not very "airy"). If you're willing to spend some time EQ-ing the high end, you can produce a quality solo guitar track.

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