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Audio-Technica ATM33a

Pricing & Availability

  • MSRP: $290
  • Discontinued


ATM33a Documentation

CardioidAudio-Technica ATM33a

Cardioid Condenser Microphone

  • Ideal for acoustic guitar, percussion, overheads, vocals and more
  • Excels in both studio and stage applications
  • Outstanding linearity both on- and off-axis
  • Features high SPL capability and wide frequency response
  • Operates on battery or phantom power

The ATM33a was replaced in Audio-Technica’s product lineup by the AT8033.

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Frequency Response - CardioidClick Graph to Compare!
ATM33a Cardioid Frequency Response Chart
Pickup Patterns Pads & Filters
Cardioid (6.3 mV/Pa; 30-20,000 Hz)
Capsule Dimensions Impedance SPL/Noise
Diameter n/a
200 Ohms (Low) Max SPL: 137 dB
Weight Length Max Diameter Interface(s)
150g (5.29oz) 194mm (7.64'') 26mm (1.02'')
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Has battery compartment (1.5V AA/UM3)
  • Phantom voltage: 9-52v

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