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ATM 350 D

The Audio-Technica ATM350is an instrument microphone designed for close mounting and capturing of brass, drums and percussion, reed instruments, piano, acoustic bass and more.

The capsule features a cardioid polar pattern which minimizes noise and audio at the off-axis sections of the capsule.

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  • Low-profile design for minimum visibility.
  • UniMount clip permits accurate positioning, provides shock resistance and protects element..
  • Unique violin mount permits unobtrusive placement of microphone between the instrument's bridge and tailpiece
  • Crisp, clear, well-balanced response, even at high SPLs.
  • Cardioid polar pattern reduces pickup of sounds from the sides and rear, improving isolation of desired sound source.
  • Interchangeable elements available for hypercardioid and omnidirectional polar patterns.
  • Corrosion-resistant contacts from gold-plated XLRM-type connector.
  • Rugged, all-metal design and construction for years of trouble-free use.
  • Element: fixed-charge back plate permanently polarized condenser.
  • Polar pattern: cardioid.
  • Frequency response: 40-20,000 hz.
  • Low frequency roll-off: 80 hz, 12 db/octave.
  • Open circuit sensitivity: -49 db (3.5 Mv) re 1v at 1 pa.
  • Impedance: 50 ohms.
  • Maximum input sound level: 149 db spl, 1 khz at 1% t.H.D.
  • Dynamic range (typical): 122 db, 1 khz at max spl.
  • Signal-to-noise ratio: 67 db, 1 khz at 1 pa.
  • Phantom power requirements: 11-52v dc, 3.5 Ma typical.
  • Switch: Flat, roll-off.


Polar PatternCardioid
Frequency Response30 - 20,000Hz
Dynamic Range (Typical)118dB, 1kHz at Max. SPL
Signal-to-Noise Ratio67dB, 1kHz at 1 Pa
Maximum Input Sound Level145dB SPL, 1kHz at 1% T.H.D.
Power Requirements11 - 52V, 2 mA typical
Output Impedance200 ohms
Output ConnectorsTA4 Connection for Audio-Technica UniPak Transmitters
Low Frequency Roll-Off150Hz, 12dB per octave
Dimensions.98 x .40" (25 x 10.2mm) (Length x Diameter)
Weight0.3 oz (8g)


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