- Description
Details
The Listen Tech LT-82 Stationary IR Transmitter is the heart of a stationary IR listening system. It takes the desired audio signal and transmits the signal via coaxial cable to one or more IR radiator-emitters (LA-140). The LT-82 can be operated in mono or stereo on one of four different carriers; 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 is used for government compliance (such as ADA), assistive listening, language interpretation, live theatre, houses of worship, courtrooms, secure rooms and for auditory description.
- Features
Features
- Secure wireless communication - ideal for applications where isolation of the signal is important
- Up to four channels mono, or four channels stereo - no need to sacrifice multiple channels to achieve stereo transmissions (one LT-82 is required for each channel)
- Transmitter can power two radiator/emitters (LA-140) using CAT-5 cabling
- Easy to specify, install and use
- Outstanding performance - ensures crystal clear sound for listeners
- Limited Lifetime Warranty
- True stereo audio (left and right) is transmitted on a single carrier frequency
- Specification
RF Carrier Frequencies 2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz Number of Channels Four channels. Selectable one channel per transmitter (mono or stereo) Carrier Shut Off Carrier will shut off when no audio is present for 30 minutes to preserve radiator life Frequency Accuracy +/- .005% stability 0 to 50C Transmitter Stability 50 PPM RF Output (2) BNC connectors, for connection to radiator and additional transmitter.100 mV, 50 ohm, -10 dbm RF Input (1) BNC connector, for connection from additional transmitter(s).100 mV, 50 ohm, -10 dbm Audio System Frequency Response 63Hz - 15kHz (+/- 3dB) System Signal to Noise Ratio (A-weighted) >58dB System Distortion <2% total harmonic distortion (THD) Controls Front Panel Power, Test Tone on/off, Channel up/down, Input Level, Transmit Level, Contour,Headset Level Rear Panel Input 1 Level (Line, Mic, Mic-Phantom Power), Input 2 Level (-10/+10 dBu), RF Power (low, mid, high) 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 Power Indicates carrier is active on the LCD Display (front panel) LCD Display Channel designation, lock status, RF Power, programming (front panel) Test Tone Red LED illuminates when test tone enabled (front panel) Environmental Temperature - Operation -10 C (14 F) to +40 (104 F) Temperature - Storage -20 C (-4 F) to +50 (122 F) Humidity 0 to 95% relative humidity, non-condensing Physical Color Dark grey with white silk screening Dimensions (H x W x D) 1.75" (45 mm) x 8.50" (216 mm) x 9.12" (232 mm) Unit Weight 2.6 lbs (5.7 kg) Unit Weight with LA-205 Power Supply 3.8 lbs (8.3 kg) Shipping Weight 4.4 lbs (9.7 kg) - In The Box
In The Box
- (1) LT-82 Stationary IR Transmitter
- (1) LA-205 30 VDC Extension/Replacement Power Supply for LA-140/LT-82
- (1) LA-89 Interconnection Coaxial Cable
- (1) Quick Reference Card
- Reviews
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