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.
Available configurations:
ATM75cH: 55" (1.4 m) permanently attached miniature cable terminated with a screw-down 4-pin connector for use with Audio-Technica cH-style body-pack wireless transmitters.
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.
ATM75c: 7.2’ (2.2 m) permanently attached miniature cable (unterminated).
- 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 |
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| Element | Fixed-charge back plate, permanently polarized condenser |
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| Polar Pattern | Cardioid |
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| Frequency Response | 100 - 13,000 Hz |
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| Low Frequency Roll Off | 80 Hz, 18 dB/octave (wired only) |
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| 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 |
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| 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. |
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| Dynamic Range | Phantom: 96 dB, 1 kHz at Max SPL
Battery: 85 dB, 1 kHz at Max SPL (wired only) |
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| Signal-to-Noise Ratio | 58 dB, 1 kHz at 1 Pa |
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| Phantom Power Requirements | 11-52V DC, 2 mA typical |
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| Battery Type | 1.5V AA/UM3 |
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| Battery Current/Life | 0.4 mA / 2000 hours typical (alkaline) (wired only) |
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| Switches | Off, on-flat, on-roll-off (wired only) |
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| Weight | Microphone: 60 g (2.1 oz)
Power module: 139 g (4.9 oz) |
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| Cable | 4.6' (1.4 m) long (permanently attached to microphone), 0.11" (2.8 mm) diameter, 2-conductor shielded cable (termination dependent) |
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| 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 |
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| Output Connector | Power module: Integral 3-pin XLRM-type (wired only) |
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| Accessories Included | AT8531 power module (wired only) AT8439 clothing clip AT8139L large windscreen AT8139S small windscreen battery (wired only) |
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