DESCRIPTION
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.
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
- 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
- 5V AA/UM3 (wired only)
- Battery Current/Life
- 4 mA / 2000 hours typical (alkaline) (wired only)
- Switches
- Off, on-flat, on-roll-off (wired only)
- Weight (Microphone)
- 1 oz (60 g)
- Weight (Power Module)
- 9 oz (139 g) (wired only)
- Cable
- 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)
- 31″ (84.0 mm) H x
- 48″ (63.0 mm) W x
- 87″ (22.0 mm) D
- Dimensions (Headset)
- 72″ (120.0 mm) nominal at widest point,
- 17″ (80.5 mm) flexible boom
- Dimensions (Microphone)
- 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; battery (wired only)