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.
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).
|Element||Fixed-charge back plate, permanently polarized condenser|
|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)|