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.
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.
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
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 (wired only)
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 (wired only)
Battery Current/Life 0.4 mA / 2000 hours typical (alkaline) (wired only)
Switches Off, on-flat, on-roll-off (wired only)
Weight (Microphone) 2.1 oz (60 g)
Weight (Power Module) 4.9 oz (139 g) (wired only)
Cable 4.6' (1.4 m) long (permanently attached to microphone), 0.11" (2.8 mm) diameter, 2-conductor shielded cable(termination dependent)
Dimensions Microphone: 20.4 mm (0.80") diameter
Power module (wired only): 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
Dimensions (Power Module) 3.31" (84.0 mm) H x 2.48" (63.0 mm) W x 0.87" (22.0 mm) D
Dimensions (Headset) 4.72" (120.0 mm) nominal at widest point, 3.17" (80.5 mm) flexible boom
Dimensions (Microphone) 0.80" (20.4 mm) diameter
Output Connector (Power Module) Integral 3-pin XLRM-type (wired only)
Accessories Included AT8531 power module (wired only); AT8439 clothing clip; AT8139L large windscreen; AT8139S small windscreen
Audio-Technica Case Style M19