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Listen Technologies LT-803-072-P1 Stationary 3-Channel RF Transmitter Package 1, 72 MHz

SKU: LTLT803072P1 MFR: LT-803-072-P1
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Key Features

  • Ensure crystal-clear audio for your presentations with this RF transmitter.
  • Enjoy versatile connectivity with balanced XLR and unbalanced phono inputs.
  • Easily monitor audio levels with the front panel's intuitive LED indicators.
  • Customize your sound with adjustable compression and contour settings.
  • Achieve wide coverage with a transmission range of up to 1,000 feet.
  • Rely on Listen Technologies' lifetime warranty for lasting peace of mind.
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Special Order?Estimated to Ship: 08/20/2025
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Listen Technologies LT-803-072-P1 Specifications

Audio
  • Frequency Response

    50 Hz - 15 kHz ( +/-3 dB)

  • Signal-to-Noise Ratio

    62 dB (A-Weighted)

  • Audio Input 1

    Rear panel, one (1) Female XLR and 1/4 in combo connector, balanced, 0 / -55 dBu (line/mic) nominal input level adjustable, -30 / +21 dBu (line/mic) maximum input level, impedance 20k / 1k ohm (line/mic), phantom power +12 VDC

  • Audio Input 2

    Rear panel, two (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), two (2) phono connectors, unbalanced, -10 dBu nominal output level, +15 dBu maximum, impedance 10 ohm

  • Headphone Output

    Front panel, one (1) 0.14" (3.5mm) stereo connector, unbalanced, adjustable output level, +3 dBu maximum, impedance 10 ohm

Controls

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  • User Controls

    Front Panel: Power, Test Tone on/off, Channel up/down, Input Levels, Mix Level, Contour, Monitor volume controlRear 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

    Process on/off, channel lock

Indicators

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  • LCD

    Channel Designation, lock status, RF power level (front panel)

  • Audio Input Status LEDs

    Indicates Input 1, Input 2, and Mix audio levels; 10 segment LED's (8 green, 2 red)

  • Processing

    Indicated by a green LED when on (front panel)

  • Test Tone

    Red LED illuminates when test tone is enabled

  • RF Power

    Indicated on the LCD (low, mid, high)

  • Frequency Range

    (A) 72.100, (E) 72.900, (H) 75.900

  • Number of Channels

    3 wide band

  • Frequency Accuracy

    +/- .005% stability 0 to 50 Degree C (32 to 122 Degree )

  • Antenna Type

    Various antennas available

  • Transmitter Stability

    50 PPM

  • Transmission Range

    Up to 1,000' (305m)

  • Antenna Connector

    BNC

  • Output Power

    80,000 uV at 3 m

  • Power Supply

    In line power supply, Listen part number LA-207 (Line cord is determined by the each Country's AC power standards)

  • 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" (5.0mm) OD, 0.01" (2.5mm) ID, barrel type

  • Compliance

    UL, CE, GS, TUV, RoHS

Environmental

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  • Temperature - Operation

    14 Degree F (-10 Degree C) to 104 Degree F (+40 Degree C)

  • Temperature - Storage

    -4 Degree F (-20 Degree C) to 122 Degree F (+50 Degree C)

  • Relative Humidity

    0 to 95% relative humidity, non condensing

Compliance

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  • RF

    FCC Part 15, Part 90, Industry Canada

Physical

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  • Color

    Dark Gray with white silk screening

  • Rack Mounting

    One (1) rack space height, 1/2 rack space wide. One (1) or two (2) transmitters can be mounted in one rack space,optional rack mount (LA-326)

  • Compatibility

    LR-200-072

  • Dimensions (W x H x D)

    8.50 x 1.75 x 9.13" (21.5 x 4.5 x 23cm)

  • Weight

    2.6 lb (1.2kg)
    With Power Supply: 4.5 lb (2.0kg)

About Listen Technologies LT-803-072-P1

Consisting of our LT-803-072 Stationary RF Transmitter, LA-106 Telescoping Top-Mounted Antenna, and LA-304 Assistive Listening Notification Signage Kit, this complete package provides a simple and affordable option for getting a 72 MHz system installed and available to listeners right away.

Architectural Specs
The LT-803-072-P1 Stationary 3-Channel RF Transmitter Package 1 (72 MHz) shall include (1) LT-803-072 Stationary 3-Channel RF Transmitter (72 MHz), (1) LA-106 Telescoping Top Mounted Antenna (72 MHz), and (1) LA-304 Assistive Listening Notification Signage Kit.

The stationary RF transmitter shall be capable of broadcasting on one of any three channels - A (72.100 MHz), E (72.900 MHz) or H (75.900 MHz). The transmitter shall have a SNR of 62 dB or greater. The output power shall be adjustable to quarter, half or full. Channel tuning shall be capable of being locked. The device shall have an audio frequency response of 50 Hz to 15k Hz, ' +/- 3 dB at 72 MHz.

It shall have two (2) mixing audio inputs. The device shall have the following audio controls: input level, mix level and an adjustable low pass filter (contour). The device shall have an audio processor that is capable of automatic gain control and limiting. The Listen LT-803-072-P1 is specified.

Listen Technologies LT-803-072-P1 Features

  • Simple, affordable start-up package for your 72 MHz RF assistive listening system
  • Includes our LT-803 transmitter, LA-106 antenna, and the LA-304 signage kit to ensure awareness of your system and compliance
  • LT-803 transmitter broadcasts a 100% digital signal three (3) channels
  • Balanced and unbalanced audio inputs allow for use with any audio source
  • Built-in auto processor optimizes audio (voice or music) prior to transmission
  • VU level meter and test tone for simple installation and set up

Product Documents

User Manual

Key Features

  • Ensure crystal-clear audio for your presentations with this RF transmitter.
  • Enjoy versatile connectivity with balanced XLR and unbalanced phono inputs.
  • Easily monitor audio levels with the front panel's intuitive LED indicators.
  • Customize your sound with adjustable compression and contour settings.
  • Achieve wide coverage with a transmission range of up to 1,000 feet.
  • Rely on Listen Technologies' lifetime warranty for lasting peace of mind.

What's in the box:

  • LT-803-072 Stationary 3-Channel RF Transmitter (72 MHz)
  • Power Supply
  • Line Cord
  • Quick Reference Card
  • LA-106 Telescoping Top Mounted Antenna (72 MHz)
  • Hard Plaque
  • Static Cling Window Sticker
  • Listen Technologies Lifetime Limited Warranty