Pro Audio Systems

• Technical Specifications

• OVERALL SYSTEM SPECIFICATIONS
• Number of Channels 996 total per band (25 kHz increments)
• Frequency Stability ±0.005%, Phase Lock Loop frequency control
• Modulation Mode FM
• Normal Deviation ±10 kHz
• Operating Range 100 m (300') typical
• Operating Temperature Range 23° F (- 5° C) to 113° F (45° C)
• Frequency Response 70 Hz to 15 kHz
• RECEIVER SPECIFICATIONS
• Receiving System Dual independent RF sections, automatic-switching diversity
• Image Rejection >50 dB typical
• Signal-to-noise Ratio 104 dB at 30 kHz deviation (A-weighted), maximum modulation 37 kHz
• Total Harmonic Distortion <1% (±10 kHz deviation at 1 kHz)
• Sensitivity 25 dBµV, (S/N 60 dB at 5 kHz deviation, A-weighted)
• Audio Output Balanced: 27 mV (at 1 kHz, ±5 kHz deviation)
• Output Connector 3-pin mini XLR (TA3M-type)
• Monitor Headphone Output (typical) 35 mW max., 32 ohm load (per channel)
• Monitor Headphone Jack 3.5 mm TRS, signals on both Tip and Ring
• External Power Requirements 12V DC nominal, 500 mA
• Batteries ATW-R1820: Six 1.5V AA alkaline (not included); ATW-R1810: Four 1.5V AA alkaline (not included)
• Current Consumption Dual-channel Operation: 600 mA typical; Single-channel Operation 350 mA typical
• Battery Life Dual-channel Operation (ATW-R1820): 6 hours typical*
• Single-channel Operation (ATW-R1810): 10 hours typical*
• * depending on battery type and use pattern
• Dimensions ATW-R1820: 85.0 mm (3.35") W x 133.0 mm (5.24") H x 36.0 mm (1.42") D
• ATW-R1810: 75.0 mm (2.95") W x 125.0 mm (4.92") H x 32.0 mm (1.25") D
• Net Weight ATW-R1820: 425 grams (15.0 oz) (without batteries)
• ATW-R1810: 300 grams (10.5 oz) (without batteries)
• Accessories Included ATW-R1820: Two flexible UHF antennas; two 18" TA3F to XLRM output cables; belt pouch
• ATW-R1810: Two flexible UHF antennas; 18" TA3F to XLRM output cable; belt pouch
• **Note: The 1800 Series offers UHF wireless operating frequencies in 25 kHz steps, while the 3000 Series offers UHF wireless operating frequencies in 125 kHz steps. This means that not every frequency selectable on 1800 Series components will be selectable on the 3000 Series components. Be certain to set each Transmitter-Receiver pair to identical frequencies.

• Features

• Two completely independent receiver channels in a single unit, for simultaneous operation of two microphones (dual-channel systems)
  
• Compact receiver is easy to mount on a camera
  
• UHF reception with 996 frequencies selectable in 25 kHz steps
  
• Automatic frequency scanning for easy selection of open channels
  
• Tone Lock™ squelch system eliminates interference when transmitter is off
  
• Two independent balanced outputs (dual-channel systems)
  
• Headphone monitor output with independent level control
  
• Battery fuel-level indicators on transmitters and receiver
  
• Soft-touch controls for easy frequency selection
  
• True Diversity operation for resistance to multi-path interference and dropouts
  
• LCD frequency and battery status display with backlight
  
• Antenna and AF Peak LED indicators
  
• Dual-channel receiver can operate in single-receiver mode to extend battery life when only one audio channel is in use (dual-channel systems)
  
• Transmitters operate in low or high transmission modes to conserve battery life/maximize power
  
• Easy, user-friendly operation
  
• Clear, natural sound quality
  
• Powered by AA batteries
  
• System components of the 1800 Series and 3000 Series Wireless Systems can be used interchangeably**

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