Listen Technologies LR-400-072 Portable Display RF Receiver (72 MHz)

ITEM #: LR-400-072 MFG #: LR-400-072

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LR-400-072 - Overview

Offering the same high-performance audio and convenient recharging features as our other receivers, the Listen LR-400-072 Portable Display RF Receiver is an affordable option for establishing or expanding your assistive listening system. Capable of receiving up to 17 wide-band or 40 narrow-band channels, the LR-400-072 features a digital LCD display, channel seeking capabilities, and compatibility with mono or stereo headphones. The LCD display provides each user with channel selection, battery level, and signal strength information, and an LED on the top of each receiver indicates power status and low battery conditions.

Approved for assistive listening use in the U.S. by the FCC, the LR-400-072 Portable Display RF Receiver is a cost-effective way to provide assistive listening to your customers, clients, or patrons.

  • Features:

    • Cost-effective solution to beginning or expanding your RF assistive listening system
    • Can receive up to 17 wide-band or 40 narrow-band channels
    • Easy-to-read LCD display with battery status, channel information, and signal strength readings
    • Channel seek capabilities
    • 80 dB signal-to-noise ratio for industry-leading sound quality
    • Built-in SmartCharge feature prevents overcharging
    • Simple drop-in charging compatible with Listen Technologies' charging cases and plugs
    • Compatible with mono and stereo headphones
     
  • Specifications:

    • Audio
    • Frequency Response: 50 Hz - 15 kHz (±3 dB)
    • Signal-to-Noise Ratio: SQ enabled 80 dB, SQ disabled 60 dB
    • Audio Output Jacks: 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm
    • Distortion: < 2% total harmonic distortion (THD) at 80% deviation

      Controls
    • User Controls: Channel up/down, SEEK, volume, Alkaline/NiMH batteries, SQ enable/disable
    • Programming: Channel lock, squelch

      Indicators
    • LCD: Channel designation, battery level, battery charging, RF signal strength and channel lock
    • LEDs: Red, illuminated when unit is on, flashes when batteries are low or to indicate charging, flashes when locked and SEEK is pushed

      RF
    • Frequency Range: 72.025 - 75.950 MHz
    • Number of Channels: 17 wide band, 40 narrow band
    • Sensitivity: .6uV typical, 1 uV maximum for 12 dB sinad
    • Frequency Accuracy: ± .005% stability 32 to 122 °;F (0 to 50 °;C)
    • Squelch: Programmable in 20 steps, automatic on loss of RF signal
    • Antenna Type: Uses earphone cable

      Power
    • Power Supply: I/P 120 VAC; O/P 7.5 VDC 250 mA, drop in contact points for use with charging cases, power supply not included (LA-208)
    • Power Supply Connector: 0.09 in. (2.3 mm) OD by 0.7 mm ID, barrel type connector 7.5 VDC, center positive < 250 mA, drop in contact points for use with Listen charging cases
    • Battery Type: Two (2) AA batteries, alkaline or NiMH
    • Battery Life: 30 hours alkaline (LA-361), 15 hours NiMH rechargeable (LA-362)
    • Battery Charging Time: Fully automatic, 13 hours
    • Compliance: RoHS, WEEE, UL, PSE, CE, CUL, TUV, CB

      Physical
    • Width: 2.75 in. (7.0 cm)
    • Height: 4.25 in. (10.8 cm)
    • Length: 1.50 in. (3.8 cm)
    • Unit Weight with Batteries: 5.8 oz (164 g)
    • Shipping Weight: 1.0 lbs. (0.5 kg)
    • Weight: 3.9 oz (111 g)
    • Door: Manually lockable, SEEK/channel select behind the door

      Environmental
    • Temperature - Operation: 14 to 104 °;F (-10 to 40 °;C)
    • Temperature - Storage: -4 to 122 °F (-20 to 50 °C)
    • Relative Humidity: 0 to 95% relative humidity, non-condensing

      Compliance
    • Safety: RoHS
    • RF: FCC Part 15, Part 90, Industry Canada
     
  • Item Includes:

    • One (1) LR-400 Portable Display RF Receiver
    • One (1) Quick reference card
     
  • GTIN:

    0819267022188
     

LR-400-072 - Required Accessories

California Residents:
WARNING:
Cancer and Reproductive Harm - www.P65Warnings.ca.gov