Audio-Technica ATW-2110b/ATM75cW2000 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 Frequencies | UHF 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 Channels | 10 total |
| Frequency Stability | ±0.005%, Phase Lock Loop frequency control |
| Modulation Mode | FM |
| Frequency Response | 100 Hz to 15,000 Hz |
| Operating Range | 100 m (300) typical |
| Operating Temperature Range | 41° F (5° C) to 113° F (45° C) |
| Receiver |
|---|
| Receiving System | True Diversity |
| Image Rejection | 55 dB nominal, 50 dB minimum |
| Signal-To-Noise Ratio | >100 dB at 40kHz deviation (A-weighted), maximum modulation 40 kHz |
| Sensitivity | 20dBµV (S/N 60dB at 5 kHz deviation, IEC-weighted) |
| Total Harmonic Distortion | 1% (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 Input | BNC-type 50 Ω Bias voltage 12V DC, 60mA each |
| Dimensions | 210 mm x 44 mm x 162.2 mm (W x H x D) |
| Weight | 1.0kg |
| Accessories Included | Two flexible UHF antennas, rack mount adapters, AC adapters |
| Belt Pack |
|---|
| RF Power Output | High: 30mW; Low: 10mW, nominal |
| Spurious Emissions | According to National Regulations |
| Battery Type | 1.5V AA alkaline or rechargeable AA NiMH (not included) |
| Current Consumption | 150 mA typical |
| Battery Life | Approximately 9 hours (low), 7 hours (high) |
| Dimensions | 66 mm x 92.3 mm x 22.5 mm (W x H x D) |
| Net Weight | 80g |
ATM75cW
| Microphones |
|---|
| 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 |
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| 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 |
|---|
| 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) |
|---|
| Switches | Off, on-flat, on-roll-off |
|---|
| 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 with TA3F-type connector |
|---|
| Dimensions | Microphone: 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 Connector | Power module: Integral 3-pin XLRM-type |
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| Accessories Included | AT8531 power module; AT8439 clothing clip; AT8139L large windscreen; AT8139S small windscreen; battery |
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