Audio-Technica ATW-2110b/ATM75cW

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Audio-Technica ATW-2110b/ATM75cW
2000 Series Wireless Body-pack System

 

ATM75CW CARDIOID CONDENSER HEADWORN MICROPHONE

Product Description

With a pivot-mounted flexible mic boom that descends from either the left or right side, the ATM75cW delivers professional-quality vocal pickup with hands-free operation.

Features ATW2110b

  • Automatic frequency scanning finds an open channel at the touch of a button

  • Up to 10 user selectable channels are available

  • Compatibility varies from country to country

  • True Diversity operation selects the better signal from the two receiver sections, reducing dropouts

  • Tone Lock™ squelch function fights interference

  • Rugged metal half-rack receiver with soft-touch controls and LCD display featuring RF and AF metering

  • Ground-lift switch helps eliminate audible hum caused by ground loops between the sound system and receiver


Features ATM75cW

  • 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

  • Cardioid polar pattern improves isolation of desired sound source

  • The microphone includes a 1.4 m (55") permanently attached miniature cable Its free end terminates in a locking 4-pin connector for use with Audio-Technica UniPak® body-pack transmitters

  • Also available as: ATM75c - less power module; 55" (1.4 m) cable, unterminated ; ATM75 - Operates on battery or Phantom Power, with power module.

Specifications

Overall System
Operating FrequenciesUHF band
656.125 678.500 MHz (D Band)
854.900 864.900 MHz (F Band)
487.125 506.500 MHz (I Band)
606.500 631.000 MHz (U Band)
Number Of Channels10 total
Frequency Stability±0.005%, Phase Lock Loop frequency control
Modulation ModeFM
Frequency Response100 Hz to 15,000 Hz
Operating Range100 m (300) typical
Operating Temperature Range41° F (5° C) to 113° F (45° C)
Receiver
Receiving SystemTrue Diversity
Image Rejection55 dB nominal, 50 dB minimum
Signal-To-Noise Ratio>100 dB at 40kHz deviation (A-weighted), maximum modulation 40 kHz
Sensitivity20dBµV (S/N 60dB at 5 kHz deviation, IEC-weighted)
Total Harmonic Distortion1% (at 1 kHz, ±20 kHz deviation)
Audio Output Attenuator (ATTN)Unbalanced: 25mV (100k ohms load), 1/4 phone jack
Balanced: 50mV (Attenuator; 0dB)
12.5mV (Attenuator; -12dB) at 1 kHz ± 5kHz deviation, 100k ohm load, XLRM-type
Antenna InputBNC-type 50 Ω Bias voltage 12V DC, 60mA each
Dimensions210 mm x 44 mm x 162.2 mm (W x H x D)
Weight1.0kg
Accessories IncludedTwo flexible UHF antennas, rack mount adapters, AC adapters
Belt Pack
RF Power OutputHigh: 30mW; Low: 10mW, nominal
Spurious EmissionsAccording to National Regulations
Battery Type1.5V AA alkaline or rechargeable AA NiMH (not included)
Current Consumption150 mA typical
Battery LifeApproximately 9 hours (low), 7 hours (high)
Dimensions66 mm x 92.3 mm x 22.5 mm (W x H x D)
Net Weight80g

 

 ATM75cW

 

Microphones
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
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 RangePhantom: 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)
SwitchesOff, on-flat, on-roll-off
WeightMicrophone: 60 g (2.1 oz)
Power module: 139 g (4.9 oz)
Cable4.6 (1.4 m) long (permanently attached to microphone), 0.11 (2.8 mm) diameter, 2-conductor shielded cable with TA3F-type connector
DimensionsMicrophone: 20.4 mm (0.80) diameter
Power module: 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 ConnectorPower module: Integral 3-pin XLRM-type
Accessories IncludedAT8531 power module; AT8439 clothing clip; AT8139L large windscreen; AT8139S small windscreen; battery

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