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.
Key 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
Technical 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 (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) |
| Audio-Technica Case Style |
M19 |
What's Included
- AT8531 power module (wired only)
- AT8439 clothing clip
- AT8139L large windscreen
- AT8139S small windscreen
- Battery (wired only)
