Audio Technica ATM75 Cardioid Condenser Headworn Microphone

FEATURES:
• Professional-quality vocal pickup with hands-free operation
• Low-visibility headband provides stable, comfortable fit
• Pivot-mounted flexible mic boom descends from left or right side
• Belt-mounted power module operates on battery or phantom power
• Cardioid polar pattern improves isolation of desired sound source
• Also available as: ATM75cW less power module; 55" (1.4 m) cable terminated with locking 4-pin connector for A-T UniPak wireless systems

ELEMENTFixed-charge back plate, permanently polarized condenser
POLAR PATTERNCardioid
FREQUENCY RESPONSE100-13,000 Hz
LOW FREQUENCY ROLL-OFF80 Hz, 18 dB/octave
OPEN CIRCUIT SENSITIVITYPHANTOM: -51 dB (2.8 mV) re 1V at 1 Pa
BATTERY: -53 dB (2.2 mV) re 1V at 1 Pa
IMPEDANCEPHANTOM: 200 ohms
BATTERY: 270 ohms
MAXIMUM INPUT SOUND LEVELPHANTOM: 132 dB SPL, 1 kHz at 1% T.H.D.
BATTERY: 121 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical)PHANTOM: 96 dB, 1 kHz at Max SPL
BATTERY: 85 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO58 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIREMENTS11-52V DC, 2 mA typical
BATTERY TYPE1.5V AA/UM3
BATTERY CURRENT / LIFE0.4 mA / 2000 hours typical (alkaline)
SWITCHOff, on-flat, on-roll-off
WEIGHT (MICROPHONE)2.1 oz (60 g)
WEIGHT (POWER MODULE)4.9 oz (139 g)
DIMENSIONS (MICROPHONE)0.80" (20.4 mm) diameter
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
OUTPUT CONNECTOR (POWER MODULE)Integral 3-pin XLRM-type
CABLE4.6' (1.4 m) long (permanently attached to microphone), 0.11" (2.8 mm) diameter, 2-conductor shielded cable with TA3F-type connector
ACCESSORIES FURNISHEDAT8531 power module; AT8439 clothing clip; AT8139L large windscreen; AT8139S small windscreen; battery
AUDIO-TECHNICA CASE STYLEM19

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