Listen LS-58-072-D iDSP Advanced Level III Stationary RF System 72 MHz - Dante Supported

LS-58-072-D - Overview

• Features:

  • Advanced DSP SQTM noise reduction technology delivers 20 dB less noise and hiss than any other listening device
  • Dante adapter enabled
  • Integrated neck loop/lanyard with DSP loop driver improves the listening experience for T-coil users
  • Smallest device of its kind makes it easier to wear and for venues to dispense, store and maintain
  • Advanced green battery technology dramatically reduces costs of ownership and hassles while reducing the number of batteries in the landfill
  • Includes drop-in charging/dispensing station for streamlined dispensing, collecting, and care of up to (12) iDSP RF listening devices
  • Ensures public venues deliver an exceptional listening experience while meeting new legislative requirements for assistive listening
   

• Specifications:

  • Stationary RF TX
    Audio
  • Frequency Response: 50Hz-15kHz (±3 dB)
  • Signal-to-Noise Ratio: SQ enabled 80 dB, SQ disabled 60 dB
  • Audio Input 1: Rear panel, 1 Female XLR or 1/4 in combo connector, balanced, 0/-55 dBu (line/mic) nominal input level adjustable, +21/-30 dBu (line/mic) maximum input level, impedance 20k / 1k ohm (line/mic), phantom power +12 VDC
  • Audio Input 2: Rear panel, 2 phono connectors, unbalanced, -10 / +10 dBu nominal input level adjustable, +30 dBu maximum, impedance 100k ohm
  • Audio Processing: Compression can be turned on/off, slope internally adjustable from 1:1 to 4:1, default 2:1
  • Contour: Cuts and boosts frequencies above 5 kHz
  • Distortion: < 2% total harmonic distortion (THD) at 80% deviation
  • Audio Output: Input 1 and input 2, mixed output (rear panel), 2 phono connectors, unbalanced, -10 dBu nominal output level, +15 dBu maximum, impedance 10 ohm
  • Headphone Output: Front panel, 1 3.5 mm stereo connector, unbalanced, adjustable output level, +3 dBu maximum, impedance 10 ohm
    
    Controls
  • User Controls: Front Panel: Power, test tone on/off, channel up/down, input levels, mix level, contour, monitor volume control
  • Rear Panel: Input 1 Level, (Line, Mic, Mic-Phantom Power), Input 2 level (-10 / +10 dBu), RF power level (low, mid, high)
  • Internal Adjustments: Compression ratio for audio processor
  • Programming: SQ on/off, process on/off, channel lock
    
    RF
  • Frequency Range: 72.025-75.950 MHz
  • Number of Channels: 17 wide band, 40 narrow band
  • Frequency Accuracy: ±.005% stability +32° to +122 °F
  • Antenna Type: Various antennas available
  • Transmitter Stability: 50 PPM
  • Transmission Range: 1,000 ft.
  • Antenna Connector: BNC, 50 Ohms (Use RG-58 < 100 ft or RG-8 > 100ft)
  • Output Power: 80,000 uV at 3 m
  • Number of Simultaneous Transmitters: Up to 8
    
    Power
  • Power Supply: In line power supply, Listen part number LA-207
  • Power Supply Input: 100-240 VAC, 50-60 Hz, 0.4 A
  • Power Supply Output: 12 VDC, 1.3 A, 15.6 W
  • Power Supply Connector: 0.02 in OD, 0.01 in. ID, barrel type
  • Compliance: UL, CE, GS, TšV, RoHS
    
    DSP RF RX
    Audio
  • System Frequency Respons:e 50 Hz - 15 kHz (±3 dB)
  • System Signal to Noise Ratio: SQ enabled 80 dB, SQ disabled 60 dB, SQ enabled 70 dB, SQ disabled 50 dB
  • System Distortion: <2% total harmonic distortion (THD) at 80% deviation
  • Output/s: Two (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm
    
    Controls
  • User Controls: Power, up/down volume, Listen button for end user channel selection
  • Set-up Controls: Press and hold up/down volume buttons for 5 seconds to enter channel adjust, use up/down to select channel
  • Programming: Via software and USB port
    
    RF
  • Frequency Range: 72.025-75.975 MHz/ 216.0125-216.9875 MHz
  • Number of Channels: (57) 17 wide Band, 40 narrow band/ (57) 19 wide, 38 narrow
  • Sensitivity: .6uV typical, 1 uV maximum for 12 dB sinad
  • Antenna Type: Uses ear phone/neck loop lanyard and short ear phone cable or standard earphone cable
  • Squelch: Programmable in 20 steps, automatic on loss of RF signal
    
    Power
  • Battery Type: Lithium Ion
  • Battery Life: 8 Hours of typical use
  • Battery Charging Time: Fully charged in 2.5 Hours
  • Power Supply: Micro USB connector, 5 V, 500 mA
    
    Environmental
  • Temperature - Operation: 14 to 104 °F
  • Temperature - Storage: (-)4 to 122 °F
  • Relative Humidity: 0 to 95% relative humidity, non-condensing
   

• Item Includes:

  • 1x LT-800-072-01 Stationary RF Transmitter (72 MHz)
  • 1x LA-465 Dante 1 Channel Output XLR Adapter (POE required)
  • 1x LA-122 Universal Antenna Kit (72 MHz and 216 MHz)
  • 1x LA-326 Universal Rack Mounting Kit
  • 4x LR-5200-072 Advanced Intelligent DSP RF Receiver (72 MHz)
  • 4x LA-401 Universal Ear Speaker
  • 2x LA-430 Intelligent Earphone/Neck Loop Lanyard
  • 1x LPT-A107-B Dual RCA to Dual RCA Cable 6.6 ft. (2 m)
  • 1x LA-381-01 Intelligent 12-Unit Charging Tray
  • 1x LA-304 Assistive Listening Notification Signage Kit