Listen Technologies ListenIR LT-82 1-Channel Transmitter

Listen Technologies ListenIR LT-82 1-Channel Transmitter

Listen Technologies ListenIR LT-82 1-Channel Transmitter

B&H # LILT8201 MFR # LT-82-01
Listen Technologies ListenIR LT-82 1-Channel Transmitter Back View

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Listen Technologies LT-82-01 overview

  • 1Description

This LT-82 1-Channel Transmitter from Listen Technologies takes the desired audio signal and transmits the signal via coaxial cable to one or more LA-140 IR radiator-emitters. The LT-82 can be operated in mono or stereo on one of four different carriers, and up to four LT-82 units may be connected to provide up to four mono or stereo carriers to the radiator(s). The LT-82 generates DC power to power up to two LA-140 radiator-emitters. Two LT-82 units can be rack-mounted in a single rack space using the LA-326 rack mounting kit. The LT-82 may be used for government compliance (such as ADA), assistive listening, language interpretation, live theater, houses of worship, courtrooms, secure rooms, and for auditory description.

Secure wireless communication, suitable for applications where isolation of the signal is important
Up to four mono or stereo channels; no need to sacrifice multiple channels to achieve stereo transmissions (one LT-82 is required for each channel)
Transmitter can power two radiators/emitters (LA-140), using Cat5 cabling
Easy to specify, install, and use
Performance ensures clear sound for listeners
True stereo audio (left and right) is transmitted on a single carrier frequency
UPC: 819267023321
In the Box
Listen Technologies ListenIR LT-82 1-Channel Transmitter
  • 30 VDC Power Adapter for LA-140/LT-82
  • Interconnection Coaxial Cable
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description

    Listen Technologies LT-82-01 specs

    Frequency Response 63 Hz to 15 kHz (+/- 3 dB)
    Signal to Noise Ratio (SNR) Mono: >60 dB
    Stereo: >52 dB
    System Distortion <2% total harmonic distortion (THD)
    Input Input 1: 1x Female XLR or 1/4" combo connector, balanced, 0 / -55 dBu (line/mic) nominal input level adjustable, -30 / +21 dBu (line/mic) maximum input level, impedance 20 k / 1 kOhm (line/mic), phantom power 12 V DC - on rear panel
    Input 2: 2x phono connectors, unbalanced, -10 / +10 dBu nominal input level adjustable, +30 dBu maximum, impedance 100k ohm - on rear panel
    Output Input 1, Input 2, mixed output on rear panel: 2x Phono connectors, unbalanced, -10 dBu nominal output level, +19 d Bu maximum, impedance 10 ohms
    Audio Processing Compression can be turned on or off
    Controls Front Panel: Power, Test Tone on/off, Channel up/down, Input Level, Transmit Level, Contour, Monitor Level
    Rear Panel: Input 1 Level (Line, Mic, Mic-Phantom Power), Input 2 Level (-10/+10 dBu)
    Internal Adjustments: Compression ratio for audio processor. Slope adjustable from 1:1 to 4:1. Default 2:1
    Programming: Stereo on/off, Processing on/off
    Indicators Unit Power: Red LED illuminates when the unit is powered up (front panel)
    Input 1, Input 2, Transmit Level: indicates Input 1, Input 2, and Transmit audio levels. 10 segment LEDs (8 green, 2 red)
    Stereo: Indicated by a green LED when on (front panel)
    Processing: Indicated by a green LED when on (front panel)
    RF Carrier: Indicates carrier is active on the LCD Display (front panel)
    LCD: Channel designation, lock status, RF Carrier, programming (front panel)
    Test Tone: Red LED illuminates when test tone enabled (front panel)
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    Audio Carrier Frequencies 2.3 MHz
    2.8 MHz
    3.3 MHz
    3.8 MHz
    Number of Channels 4 Channels, selectable one channel per transmitter (mono or stereo)
    Frequency Accuracy +/- 0.005% stability 32 to 122ºF / 0 to 50ºC
    Transmitter Transmitter stability: 50 PPM
    Outputs 2x BNC connectors for connection to radiator(s) and/or additional transmitter(s); 50 mV, 50 ohm, -15 dBm
    Inputs 1x BNC connector, for connection from additional transmitter(s); 50 mV, 50 ohm, -15 dBm
    Power Supply In-line power supply, (part number LA-205)
    Power Supply Input 100 to 240 V AC, 47 to 63 Hz
    Power Supply Output 30 V DC, 1.5 A
    Power Supply Connector 1x RJ-45
    Power Output 2x RJ-45 jack, for remote-powering up to two radiators
    Power Cord North America: Type B (LT-82-01)
    Asia, UK: Type G (LT-82-02)
    Europe: Type J (LT-82-03)
    Color Dark gray
    Rack Mount 1U high, 1/2U space wide
    One or two transmitters can be mounted in a single rack space.
    Environmental Operation Temperature: 14 to 104°F / -10 to 40°C
    Storage Temperature: -4 to 122°F / -20 to 50°C
    Relative Humidity: 0 to 95% relative humidity, non-condensing
    Compliance FCC Part 15, Industry Canada, CE, RoHS, UL
    Dimensions 1.75 x 8.5 x 9.13" / 4.5 x 21.5 x 23.0 cm
    Weight With Power Supply: 3.8 lb / 1.72 kg
    Unit Weight: 2.6 lb / 1.18 kg
    Packaging Info
    Package Weight 4.7 lb
    Box Dimensions (LxWxH) 14.3 x 10.9 x 3.1"

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