ATM75
Cardioid Condenser Headworn Microphone

ATM75

ATM75
  • Overview
  • Gallery
  • Features
  • Specifications

Overview

ATM75 Cardioid Headworn Microphone

With a pivot-mounted flexible boom that can be positioned on either the left or right side of the head, the ATM75 headworn microphone delivers professional-quality vocal pickup with hands-free operation. Includes AT8139L large windscreen, AT8139S small windscreen, and AT8439 cable clip.

Available configurations:

ATM75cH: 55" (1.4 m) permanently attached miniature cable terminated with a screw-down 4-pin connector for use with Audio-Technica cH-style body-pack wireless transmitters.  

ATM75cW: 55" (1.4 m) permanently attached miniature cable terminated with a locking 4-pin connector for use with Audio-Technica cW-style body-pack wireless transmitters.

ATM75c: 7.2’ (2.2 m) permanently attached miniature cable (unterminated). 

Features

  • Professional-quality vocal pickup with hands-free operation
  • Low-visibility headband provides stable, comfortable fit
  • Pivot-mounted flexible microphone
  • Cardioid polar pattern improves isolation of desired sound source

Specifications

Microphones
Element Fixed-charge back plate, permanently polarized condenser
Polar Pattern Cardioid
Frequency Response 100 - 13,000 Hz
Low Frequency Roll Off 80 Hz, 18 dB/octave
Open Circuit Sensitivity Phantom: -51 dB (2.8 mV) re 1V at 1 Pa
Battery: -53 dB (2.2 mV) re 1V at 1 Pa
Maximum Input Sound Level Phantom: 132 dB SPL, 1 kHz at 1% T.H.D.
Battery: 121 dB SPL, 1 kHz at 1% T.H.D.
Dynamic Range Phantom: 96 dB, 1 kHz at Max SPL
Battery: 85 dB, 1 kHz at Max SPL
Signal-to-Noise Ratio 58 dB, 1 kHz at 1 Pa
Phantom Power Requirements 11-52V DC, 2 mA typical
Battery Type 1.5V AA/UM3
Battery Current/Life 0.4 mA / 2000 hours typical (alkaline)
Switches Off, on-flat, on-roll-off
Weight Microphone: 60 g (2.1 oz)
Power module: 139 g (4.9 oz)
Cable 4.6' (1.4 m) long (permanently attached to microphone), 0.11" (2.8 mm) diameter, 2-conductor shielded cable with TA3F-type connector
Dimensions Microphone: 20.4 mm (0.80") diameter
Power module: 84.0 mm (3.31") H x 63.0 mm (2.48") W x 22.0 mm (0.87") D
Headset: 120.0 mm (4.72") nominal at widest point, 80.5 mm (3.17") flexible boom
Output Connector Power module: Integral 3-pin XLRM-type
Accessories Included AT8531 power module; AT8439 clothing clip; AT8139L large windscreen; AT8139S small windscreen; battery

Downloads

ATM75 Declaration of Conformity
ATM75 Frequency Response
ATM75 Polar Pattern
ATM75 Specification Sheet
ATM75c Declaration of Conformity
ATM75 Frequency Response
ATM75 Polar Pattern
ATM75 Specification Sheet
ATM75cW Polar Pattern
ATM75 Frequency Response
ATM75 Polar Pattern
ATM75 Specification Sheet