FM Systems Infrared & Simultaneous Interpretation LISTEN Systems Listen Technologies ListenIR

ListenRF Dual-Channel RF Transmitter with Dante

SKU: LT-82-01-D

The ListenIR 1-Channel Transmitter with Dante compatibility is an advanced solution for assistive listening, ensuring secure and crystal-clear audio transmission for a variety of venues.

$1,351.00

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The ListenIR 1-Channel Transmitter, model LT-82, is a key component of the Listen Technologies ListenIR system, now enhanced with Dante compatibility through the use of the LA-465 Dante adapter.

This single-channel transmitter operates in both mono and stereo modes, allowing it to transmit audio signals and provide direct current power to one or more LA-140 infrared radiator/emitter units via a standard CAT-5 cable.

Additionally, it can be expanded to support up to four channels of mono or stereo audio for versatile applications.

Audio

Frequency Response	63 Hz – 15 kHz (+/- 3 dB)
Signal-to-Noise Ratio	Mono: > 60 dBStereo: > 52 dB
System Distortion	< 2% total harmonic distortion (THD)
Audio Input 1	Mono Input (Rear Panel). Female-XLR and 1/4 in. combo connector, balanced, 0/-55 dBu (line/mic) nominal input level adjustable; +21/-30 dBu (line/mic) maximum input level; impedance 20k/1k ohms (line/mic); phantom power +12 VDC
Audio Input 2	Stereo or Mono Input (Rear Panel). Two (2) Phono connectors, unbalanced, -10/+10 dBu nominal input level adjustable, +30 dBu maximum, impedance 100k
Audio Processing	Compression can be turned on/off.
Contour	Cuts and boosts frequencies above 5 kHz
Monitor Output	Front panel. One (1) 3.5 mm (0.14 in.) connector, unbalanced, adjustable output level, +7 dBu maximum, impedance 10 ohms. 100 mW, 32 ohms
Output/s	Input 1 and Input 2 Mixed Output (Rear panel). Two (2) Phono connectors, unbalanced, -10 dBu nominal output level, +19 dBu maximum, impedance 10 ohms

Controls

Programming	Stereo on/off, Processing on/off
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

Indicators

LCD	Channel designation, lock status, RF Carrier, programming (front panel)
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 LED’s (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)
Test Tone	Red LED illuminates when test tone enabled (front panel)

Input/s	One (1) BNC connector, for connection from additional transmitter(s). 50 mV, 50 ohm, -15 dBm
Output/s	Two (2) BNC connectors, for connection to radiator(s) and/or additional transmitter(s). 50 mV, 50 ohm, -15 dBm
Carrier Frequencies	2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz
Number of Channels	Four (4) channels. Selectable one (1) channel per transmitter (mono or stereo)
Frequency Accuracy	+/- .005% stability 0 to 50 °C
Carrier Shut Off	Carrier will shut off when no audio is present for 30 minutes to preserve radiator life.
Transmitter Stability	50 PPM

Power

Power Supply	In-line switching mode power supply, Listen part number LA-205
Power Supply Input	100-240 VAC, 47-63 Hz
Power Supply Output	30 VDC, 1.5 A
Power Supply Connector	RJ-45
Power Output	Two (2) RJ-45 jacks. For remote powering up to two (2) radiators

Physical

Width	8.50 in. (21.5 cm)
Height	1.75 in. (4.5 cm)
Depth	9.13 in. (23 cm)
Color	Dark Grey
Unit Weight with Power Supply	3.8 lbs. (1.72 kg)
Shipping Weight	6.0 lbs. (2.7 kg)
Rack Mounting	One (1) rack space high (1U), 1/2 rack space wide. One (1) or two (2) transmitters can be mounted in a single rack space. Optional Rack mount (LA-326) not included.
Weight	2.6 lbs. (1.18 kg)
Power Line Cord	IEC line cord, North America Type B (LT-84-01), Asia and UK Type G (LT-84-02), Euro Type F (LT-84-03), Australia Type I (LT-84-04)

Environmental

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

Compliance

Standards

FCC Part 15, Industry Canada, CE, RoHS, UL

Customized Requests

Your event, your way. Submit your customized requests for interpreting equipment, and let our expert team craft a solution that perfectly aligns with your event vision.

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ListenRF Dual-Channel RF Transmitter with Dante

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