Cardioid Condenser Headworn Microphone
ATM75
ATM75
+1
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 (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) |
Downloads
ATM75 Frequency Response
ATM75 Polar Pattern
ATM75 Specification Sheet