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ATM75

Cardioid Condenser Headworn Microphone
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Details

With a pivot-mounted flexible mic boom that descends from either the left or right side, the ATM75 delivers professional-quality vocal pickup with hands-free operation. THe belt-mounted power module operates on either battery or phantom power.

 

    • 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

Specifications

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 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
CABLE 4.6' (1.4 m) long (permanently attached to microphone), 0.11" (2.8 mm) diameter, 2-conductor shielded cable with TA3F-type connector
ACCESSORIES FURNISHED 4.6' (1.4 m) long (permanently attached to microphone), 0.11" (2.8 mm) diameter, 2-conductor shielded cable with TA3F-type connector

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