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Standard 3-Channel RF Receiver (72 MHz)
LR-200-072

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Highlights

  • Economical price – backed by Listen’s exceptional service and support.
  • Three (3) channels – makes it simple to install, manage and use with a simple set switch.
  • Long battery life at 120 hours on alkaline, 75 hours NiMH rechargeable.
  • One step digital tuning – receiver won’t drift off channel.
  • Limited Lifetime Warranty.
  • Reliable clear sound quality - 62 dB Signal-to-noise ratio (SNR).
  • Universal headphone jack offers mono or stereo output –accommodates any version or brand of earpiece.
  • Ensures public venues meet ADA requirements.
  • 30-day no obligation demonstrations available.

Overview

The LR-200-072 Standard 3-Channel RF Receiver (72 MHz) offers is a solution for assistive listening where simplicity and cost are important. The unit gives the user a choice between three different preset frequencies that will be transmitted in the area. The receiver can be used with any of Listen’s current headphones. The LR-200-072 is also included in Listen’s LP-3CV-072 for a more affordable ALS package.

Includes

LR-200-072 Standard 3-Channel RF Receiver (72 MHz)
Quick Reference Card

Architectural Specs

The RF receiver shall be capable of receiving on three wide band channels. The receiver shall have an SNR of 62 dB or greater. The device shall have an audio frequency response of 50 Hz to 15 KHz, ± 3 dB at 72 MHz. The device shall incorporate a stereo headset jack that allows the user to plug in either a mono or stereo earphone(s). The unit shall operate with (2) AA batteries. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of (2) alkaline or (2) NiMH batteries. The Listen LR-200-072 is specified.

Specifications

 SpecificationsLR-200-072
RFRF Channel Range(A) 72.100, (E) 72.900, (H) 75.900
Number of Channels3 wide band
Sensitivity.6uV typical, 1 uV maximum for 12 dB sinad
Frequency Accuracy± .005% stability 32 to 122 ºF (0 to 50 ºC)
AntennaUses earphone cable
SquelchNone
ComplianceFCC Part 15, Industry Canada, RoHS
   
Audio** All system specifications are wireless end to end**
System Frequency Response50 Hz - 15 kHz (±3 dB)
System Signal-to-Noise Ratio (A-Weighted)62 dB
System Distortion<2% total harmonic distortion (THD) at 80% deviation
Output3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm
   
ControlsUser ControlsON/OFF, volume
Set-up Controls (battery compartment)Alkaline/NiMH batteries, channel switch
ProgrammingNone
   
IndicatorsLEDRed, illuminated when unit is on or to indicate charging, flashes when batteries are low.
LCD DisplayNone
   
PowerBattery TypeTwo (2) AA batteries, alkaline or NiMH
Battery Life (Listen batteries)120 hours alkaline (LA-361), 75 hours NiMH rechargeable (LA-362)
Battery Charging (NIMH only)Fully automatic,10-12 hours under normal use
Power Supply I/P 120VAC; O/P 7.5VDC 250 mA, drop in contact points for use with charging cases, power supply not included (LA-208)
Power Supply Connector2.3mm OD by 0.7mm ID, barrel type connector 7.5 VDC, center positive <250mA, drop in contact points for use with Listen charging cases
Power Supply ComplianceRoHS, WEEE, UL, PSE, CE, CUL, TUV, CB compliant
   
PhysicalDimensions (H x W x D)4.25 x 2.75 x 1.50 in. (10.8 x 7.0 x 3.8 cm)
ColorDark grey with white silk screening and dark lens
Unit Weight3.1 oz (88 g)
Unit Weight with batteries5.2 oz (147 g)
Shipping Weight1 lb (0.5 kg)
DoorManually lockable, channel select behind the door
   
EnvironmentalTemperature - Operation -10 ºC (14 ºF) to +40 ºC (104 ºF)
Temperature - Storage -20 ºC (-4 ºF) to +50 ºC (122 ºF)
Humidity0 to 95% relative humidity, non-condensing
   
Specifications are subject to change without notification

Requirements

Used With

Accessories

Support Documents

    • FAQ

     
     
    What is the battery life of the LR-200-072?
    120 hours alkaline. 75 hours NiMH.
     
    What is the charge time of the LR-200-072 using two (2) NiMH batteries?
    10-12 hours under normal use.
     
    How many receivers can I have in a system?
    As many as you need, the number is endless.
     
    What are the differences between the LR-200-072 and other Listen receivers?
    The LR-200-072 offers three (3) frequencies and can be changed inside the door of the receiver via a switch. The LR-200-072 does not have an LCD screen, the ability to SEEK for open frequencies, SQ (Super Quiet) or programmability. Also, the Signal to Noise is 62 dB compared to 80 dB on Listen’s other receivers.
    Can the LR-200-072 be used with the LT-800-072?
    Yes. The SQ function on the transmitter must be turned off and the transmitter can only be used with one of the three optional frequencies (A, E, H).
    Can the LR-200-072 be used with the LT-700-072?
    No.
     
    What is the warranty of Listen receivers?
    Limited lifetime warranty. The following cases will void the warranty:
    • Misuse, dropping, or any other noticeable cosmetic damage.
    • Charging alkaline batteries instead of NiMH.
    • Overheating the charging process by closing the lid on the charging case.

    Troubleshooting Guide