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Listen Technologies LT-803 Stationary 3-Channel RF Transmitter | Dante

Listen Technologies LT-803 Stationary 3-Channel RF Transmitter | Dante

SoundPro Item: 119818 | Part Number: LT-803-072-01-D

$892.00
$1,000.00 $892.00
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MSRP: $1,000.00 | MAP: $892.00

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  • 100% Digital Audio Transmission Delivers Solid RF Signal Without Analog Drift Or Interference
  • Universal Audio Inputs Accept Balanced XLR, TRS, And Unbalanced Phono Sources Without Adapters
  • Look And Listen LCD Display Shows Channel Selection, Lock Status, And RF Power At A Glance
  • Front Panel Monitor Output With Level Control Enables Real-Time Audio Verification
  • Integrated Compression And Contour Processing Optimizes Speech Clarity Without External Gear
  • Three Selectable RF Channels Allow Quick Frequency Changes To Avoid Local Interference
  • Mixed Output Feeds Additional Zones Or Recording Systems From Rear Panel Phono Jacks
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The Listen Technologies LT-803 delivers assistive listening functionality for houses of worship, theaters, conference centers, and courtrooms requiring ADA compliance. Universal analog inputs accept balanced XLR/TRS or unbalanced phono connections from any professional or consumer audio source, while integrated compression and contour controls optimize speech intelligibility without external processing.

The Look & Listen LCD display provides immediate visual confirmation of selected channel, lock status, and RF power level, eliminating guesswork during installation and troubleshooting. Front-panel controls enable quick channel selection across three available frequencies, while rear-panel RF power adjustment accommodates coverage areas from small meeting rooms to venues requiring up to 1,000-foot transmission range.

Rack-mountable in half-rack configuration, the LT-803 integrates into equipment racks alongside existing AV infrastructure. Mixed audio output and headphone monitoring allow integrators to verify signal routing and quality before listeners arrive, reducing setup time and support calls.

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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) 3.5 mm (0.14 in.) stereo connector, unbalanced, adjustable output level, +3 dBu maximum, impedance 10 ohm
RF
Frequency Range
(A) 72.100, (E) 72.900, (H) 75.900
Number of Channels
3 wide band
Frequency Accuracy
± .005% stability 0 to 50ºC (32 to 122º)
Antenna Type
Various antennas available
Transmitter Stability
50 PPM
Transmission Range
Up to 305 m (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
Controls
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
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)
Power
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
5.0 mm (0.02 in.) OD, 2.5 mm (0.01 in.) ID, barrel type
Physical
Width
21.5 cm (8.50 in.)
Height
4.5 cm (1.75 in.)
Depth
23 cm (9.13 in.)
Color
Dark Grey with white silk screening
Unit Weight with Power Supply
2.0 kg (4.5 lbs.)
Shipping Weight
2.7 kg (6.0 lbs.)
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)
Weight
1.2 kg (2.6 lbs.)
Environmental
Temperature - Operation
-10 ºC (14 ºF) to +40 ºC (104 ºF)
Temperature - Storage
-20 ºC (-4 ºF) to +50 ºC (122 ºF)
Relative Humidity
0 to 95% relative humidity, non condensing
Compliance
Power Supply
UL, CE, GS, TÜV, RoHS
RF
FCC Part 15, Part 90, Industry Canada

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