Listen Technologies ListenIR Transmitter/Radiator Combo

BH #LILT8401 • MFR #LT-84-01
Listen Technologies
Listen Technologies ListenIR Transmitter/Radiator Combo
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Expected availability: 7-10 business days
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Listen Technologies LT-84-01 Overview

The ListenIR Transmitter/Radiator Combo from Listen Technologies is a transmitter/radiator with up to four frequencies, including 2.3 MHz, 2.8 MHz, 3.3 MHz, or 3.8 MHz. It has expansion radiators that implement delay compensation, providing no signal cancellation drop outs.

Selectable 2.3, 2.8, 3.3, or 3.8 MHz frequencies
Flexible input connectivity of mic, RCA stereo sum, and Phoenix line level summed on each input channel
UPC: 819267023369

Listen Technologies LT-84-01 Specs

Frequency Response20 Hz to 20 kHz (+/-1 dB)
Line Input: 63 Hz to 15 kHz (+/-3 dB)
Signal to Noise Ratio>70 dB (SNR)
Line Input: >60 dB
Total Harmonic Distortion<0.1%
Line Input: <2%
InputBalanced Line: mono input 2 x phoenix type connectors, +4 dBu nominal input, +14 dB headroom, impedance 100 kOhms Unbalanced: stereo/mono input 2 x dual (RCA) phono connectors, -10 dBu nominal input, +14 dB headroom, impedance 10 kOhms
Microphone: 2 x 3.5 mm tip/sleeve connector, -30 dBu nominal input, +14 dB headroom, impedance 4.4 kOhms, 5 VDC bias supply
Power Switch3 position switch with Power OFF and ON
Level ControlKnob: 2 x audio taper rotary potentiometer, counter-clockwise decreases input mix level, clockwise increases input mix level
Carrier FrequencySelection: two 4-position rotary switches (2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz)
Power SupplyGreen LED on in-line power supply indicates AC power is applied
Audio Level2 x green LEDs, 2 x red LEDs
Green LED indicates audio presence and red LED indicates peaks in the audio
RJ-45Solid amber LED indicates carrier is present and IR is being transmitted
Solid green indicates power is applied to unit, flashing indicates unit has entered power save mode
RF Specification
Frequency Range216.0125 to 216.9875 MHz
Number of ChannelsTwo channels, selectable carrier frequency
Frequency Accuracy±.005% stability 32 to 122°F (0 to 50°C)
StabilityTransmitter: 50 PPM
OutputExpansion Link: 2 x RJ-45 connectors provide RF signal and power, CAT-5e cable 24 AWG, 100' (30.48 m) maximum cable length
ModulationFM Wideband, ±50 kHz deviation max, 50 μS pre-emphasis
Carrier Frequency2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz, selectable
Power Save ModeCarrier will shut off when no audio is present for 15 minutes on both channels to preserve radiator life
IR Interface
Power1.49 W
CoverageDepends on receiver
Power SupplyIn-line switching mode power supply
Power Supply Input100-240 VAC, 50-60 Hz
Power Supply Output12 VDC, 4 A, 48 W
Power Supply Connector0.01" (2.5 mm) ID barrel connector, center positive
Line CordIEC line cord
Operating Temperature14 to 104°F (-10 to 40°C)
Storage Temperature-4 to 122°F (-20 to 50°C)
Humidity (Non-condensing)0 to 95% relative humidity
ColorBlack with white silk screening
Dimensions1.5 x 10.7 x 4.1" (3.81 x 27.2 x 10.5 cm)
WeightUnit: 0.8 lbs. (0.4 kg)
Unit with Power Supply: 1.8 lbs. (0.8 kg)
Compliance and Approvals
Power SupplyCUL, UL, CE, CCC, C-Tick, KC, PSE, GS, FCC, RoHS
StandardsFCC part 15, ICS-03, CE, UL, CUL, C-Tick, CCC, PSE, KC, GS, RoHS, WEEE
Packaging Info
Package Weight3.15 lb
Box Dimensions (LxWxH)13.6 x 10.1 x 3.1"
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