Listen Technologies

Listen Technologies LT-84-D ListenIR 2 Channel Infrared Transmitter and Radiator with Dante Adapter

Name: Listen Technologies LT-84-D ListenIR 2 Channel Infrared Transmitter and Radiator with Dante Adapter
Brand: Listen Technologies

The Listen Technologies LT-84-D is the LT-84 ListenIR two-channel infrared transmitter and radiator supplied with a Listen LA-465 one-channel Dante output XLR adapter (PoE required) and an LA-507 XLR to terminal block cable, so one Dante channel can feed the LT-84's balanced input. One channel covers up to 2,787 m² with LR-4200-IR receivers, and up to four LA-141 expansion radiators can be added. It suits courtrooms, council chambers, boardrooms, theatres and lecture rooms where the audio system is already on Dante. 2Channels2,787 m²Coverage, 1 channelDanteLA-465 included, 1 chUp to 4LA-141 expansions Coverage figuresThe 2,787 m² figure is for one channel with LR-4200-IR or LR-5200-IR receivers. Older LR-42/LR-44 receivers give 697 m², and two-channel use or obstructions reduce usable coverage. Infrared needs line of sightIR light stays inside the room, which keeps audio private and lets adjacent rooms run separate systems, but receivers need a view of a radiator. Plan radiator positions for large or obstructed rooms. FeaturesLA-465 Dante adapter included: one Dante channel to XLR, PoE requiredTransmitter and radiator in one unitTwo channels, each set to one of four carrier frequenciesEach channel accepts mic, stereo RCA (summed) and balanced Phoenix line inputsFront level controls with audio presence and peak LEDsUp to four LA-141 expansion radiators, with delay compensation to avoid dropoutsSingle CAT-5e cable carries power and signal to each expansion radiatorPower save mode switches the carrier off after 15 minutes of silenceMounting hardware for wall, ceiling or table supplied SpecificationsDanteLA-465 1-channel Dante to XLR adapter (PoE required) and LA-507 XLR to terminal block cable, includedChannels2, each on a selectable carrier: 2.3, 2.8, 3.3 or 3.8 MHzCoverage2,787 m² single channel with LR-4200-IR/LR-5200-IR; 697 m² with LR-42/LR-44IR emitter power1.49WMic inputs2x 3.5 mm TS, -30 dBu nominal, 4.4 kohm, 5V biasUnbalanced line inputs2x stereo RCA pairs, -10 dBu nominal, 10 kohmBalanced line inputs2x Phoenix, +4 dBu nominal, 100 kohmFrequency response20 Hz to 20 kHz (±1 dB) line input; 63 Hz to 15 kHz (±3 dB) systemSignal-to-noise ratio>70 dB line input; >60 dB systemModulationWideband FM, ±50 kHz deviation, 50 µs pre-emphasisExpansion outputs2x RJ45 (power and RF), CAT-5e 24 AWG, 30 m max, 2 LA-141 per outputPower saveCarrier off after 15 minutes without audio on both channelsPower supply100 to 240V AC in, 12V DC 4 A out, UK Type G line cordMountingWall, ceiling or table (hardware supplied); LA-347 back box plate optionalOperating temperature-10 to 40°CShow more

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