The ATM75 is a professional-grade headworn microphone designed to provide high-quality vocal pickup while allowing for hands-free operation. Its low-visibility headband ensures a stable and comfortable fit, making it ideal for various applications where mobility is essential. The microphone features a pivot-mounted flexible boom that can be conveniently positioned on either the left or right side of the head, offering versatility and ease of use. Included with the microphone are an AT8139L large windscreen, AT8139S small windscreen, and AT8439 cable clip for added convenience.
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Professional-quality vocal pickup with hands-free operation

Low-visibility headband provides a stable and comfortable fit

Pivot-mounted flexible microphone allows for easy positioning on either side of the head

Cardioid polar pattern improves isolation of the desired sound source

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 (wired only)
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) (wired only)
Switches Off, on-flat, on-roll-off (wired only)
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 (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
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; battery (wired only)

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