100Hz-13kHz HIROSE
Terminated with locking 4-pin connector for A-T UniPak® body-pack wireless transmitters. 1.4 m cable. Includes windscreen
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 â less power module; 1.4 m cable terminated with locking 4-pin connector for A-T UniPak® wireless systems
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
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
IMPEDANCE PHANTOM: 200 ohms
BATTERY: 270 ohms
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 (typical) 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
BATTERY CURRENT / LIFE 0.4 mA / 2000 hours typical (alkaline)
SWITCH Off, on-flat, on-roll-off
WEIGHT (MICROPHONE) 60 g
WEIGHT (POWER MODULE) 139 g
DIMENSIONS (MICROPHONE) 20.4 mm diameter
DIMENSIONS (POWER MODULE) 84.0 mm H x 63.0 mm W x 22.0 mm D
DIMENSIONS (HEADSET) 120.0 mm nominal at widest point, 80.5 mm flexible boom
OUTPUT CONNECTOR (POWER MODULE) Integral 3-pin XLRM-type
CABLE 1.4 m long (permanently attached to microphone), 2.8 mm diameter, 2-conductor shielded cable with TA3F-type connector
ACCESSORIES FURNISHED AT8531 power module; AT8439 clothing clip; AT8139L large windscreen; AT8139S small windscreen; battery