The Audio-Technica system 9 is an agile wireless system with a four-channel frequency designed to give a solid presentation with simple setup and clear and natural sound quality. Presenting an elegant, stackable, and contemporary style, System 9 is available in manual mode, with headband, guitar, lavalier, and body-pack configurations. The system offers four user-compatible VHF channels that can be changed (169.505, 170.245, 171.045, and 171.905 MHz).
Each System 9 configuration includes the ATW-R900 receiver and a body-pack transmitter or a handheld microphone / transmitter. The ATW-R900 is a single-channel diversity receiver, with advanced dipole antenna design for an extended operating range, which improves the performance it provides is a terrestrial factor, in addition to the usual signal element. The ATW-R900 also offers volume control along with the AF Peak, RF and Power indicator lights.
- Easy to operate and clear and natural sound quality
- 4 frequently coordinated selectable VHF channels
- Balanced XLR and 1/4 "unbalanced output connectors allow use with a variety of audio equipment
- Reliable presentations and durable construction
- Dipole antenna system for extended operating range
CHARACTERISTICS
OVERALL SYSTEM SPECIFICATIONS
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Operating Frequencies: VHF highband, 169 MHz to 172 MHz
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Modulation Mode: FM
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Maximum Deviation: +/-10 kHz
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Dynamic Range: >/=90 dB (A-weighted), typical
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Total Harmonic Distortion: <1% (at 1 kHz, +/-10 kHz deviation)
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Operating Range: 200' (60 m) typical
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Open range environment with no interfering signals
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Operating Temperature Range: 40° F (4° C) to 110° F (43° C)
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Battery performance may be reduced at very low temperatures
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Frequency Response: 80 Hz to 13 kHz
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Maximum Simultaneous Use (Recommended): 200' minimum
RECEIVER SPECIFICATIONS
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Receiving System: Non-diversity, single-channel, dual antenna system
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Image Rejection: 50 dB minimum
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RF Sensitivity: 20 dBuV at 60 dB S/N ratio (50 ohms termination)
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Audio Output: Nominal Output Level
- XLR, balanced: 350 mV (1 kHz modulation, 10 kHz deviation, 100k ohm load)
- 1/4" (6.3 mm), unbalanced: 700 mV (1 kHz modulation, 10 kHz deviation, 100k ohm load)
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Power Supply: 100-240V AC (50/60 Hz) to 12V DC .5A (center positive) switched mode external power supply
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Operating Temperature Range: 40° F (4° C) to 110° F (43° C)
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Dimensions: 7.48" (190.0 mm) W x 1.82" (46.2 mm) H x 5.06" (128.5 mm) D
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Net Weight: 12.0 oz (337 grams)
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Accessory Included: Power supply
BODY-PACK TRANSMITTER SPECIFICATIONS
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RF Power Output: 10 mW
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Spurious Emissions: Following federal and national regulations
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Input Connections: Four-pin Locking Connector
- Pin 1: GND
- Pin 2: INST INPUT
- Pin 3: MIC INPUT
- Pin 4: DC BIAS +9V
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Batteries: Two 1.5V AA
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not included
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Battery Life: 8 hours (alkaline)
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Depending on battery type and use pattern
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Dimensions: 2.76" (70.2 mm) W x 4.08" (103.7 mm) H x 0.98" (24.9 mm) D
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Net Weight: 2.8 oz (80.0 grams)
- without batteries
HANDHELD TRANSMITTER SPECIFICATIONS
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RF Power Output: 10 mW
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Spurious Emissions: Following federal and national regulations
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Batteries: Two 1.5V AA
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not included
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Battery Life: 8 hours (alkaline)
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Depending on battery type and use pattern
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Dimensions: 9.91" (251.8 mm) long,
- 2.11" (53.5 mm) diameter
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Net Weight: 9.2 oz (260 grams)
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without batteries
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Accessory Included: AT8456a Quiet-Flex™ stand clamp
