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Assistive Listening Devices, IR Transmitters, Listen Technologies, ListenIR (Infrared)
Stationary IR Radiator – White or Grey
Includes
- One (1) x LA-140 Stationary IR Radiator
- One (1) x Mounting hardware (allows for wall, ceiling, desk, mic stand and tripod mounting)
- Twenty-five (25) ft. (7.6 m) of coax cable, matched color
- Twenty-five (25) ft. (7.6 m) of CAT-5 cable, matched color
- One (1) x Quick Reference Card
- Up to two LA-140 radiators can be powered by one LT-82. If additional power is required, order an additional power supply
For more information on prices and delivery charges please, contact us.
Stationary IR Radiator - White or Grey
Combining a compact, stylish design with outstanding coverage and simple setup, the LA-140 IR Radiator/Emitter from Listen Technologies is an expandable option for any infrared assistive listening application.
Two LA-140 units can be mounted together horizontally or vertically, doubling the power of your system without taking up an excessive amount of space.
Additionally, two units can be powered by a single LT-82 transmitter or optional power supply with standard CAT-5 cable, making setup and installation simple.
Each unit includes hardware for mounting on wall, ceiling, desk, mic stand or tripod, making the LA-140 an incredibly versatile choice for nearly any IR assistive listening system.
With a compact design and availability in either white (-WH) or grey (-GY), the LA-140 IR Radiator/Emitter from Listen Technologies is a discreet and dependable choice.
Feature:
Specification:
Includes:
Downloads:
Feature:
- Up to 3,716 m² (40,000 ft.²) of maximum coverage per radiator
- Two (2) radiators can be combined and powered by a single LT-82 transmitter or optional power supply via standard CAT-5 cabling
- Can be mounted together horizontally or vertically for double the power in a compact space
- Automatic radiator diode shutoff feature extends radiator life
- Delay compensation to eliminate dropout in the infrared signal
- Available in either white or grey for discrete installation in a variety of settings
Specification:
| System Distortion | < 2% (THD) System Specification (wireless end-to-end with LR-44) |
| System Signal to Noise Ratio (A-Weighted) | > 60 dB (SNR) System Specification (wireless end-to-end with LR-44) |
| System Frequency Response | 63 Hz – 15 kHz (+/- 3 dB) System Specification (wireless end-to-end with LR-44) |
| Indicator Lights On/Off Switch | Two (2) position switch – Indicator Lights OFF, Indicator Lights ON |
| Delay Compensation | Four (4) position rotary switch setting (0, 1, 2, 3) |
| RJ-45 Amber LED | Solid Amber indicates carrier is present and IR is being transmitted |
| RJ-45 Green LED | Solid Green indicates power is applied to unit |
| Carrier Frequencies | 2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz |
| Number of Channels | Two (2) channels |
| Power Save Mode | Carrier will shut off when no audio is present for 15 minutes on both channels to preserve radiator life. |
| Expansion Link Output | One (1) RJ-45 connector – Provides RF Signal and Power to one additional LA-141.CAT-5e cable 24 AWG, 100 ft. (30 m) maximum cable length, two (2) LA-141s per daisy chain (total daisy chain cannot extend beyond two expansion radiators) |
| Expansion Link Input | One (1) RJ-45 connector – Receives RF Signal and Power from LT-84 |
| Coverage Area | 30,000 ft² (2787 m²) single channel with LR-4200-IR/LR-5200-IR receivers or 7,500 ft² (697 m²) single channel with LR-42/LR-44 receivers |
| IR Emitter Power | 1.49 W |
| Power Supply | 12 VDC, Provided via LT-84 Expansion Link Output RJ-45s |
| Current Draw | 600 mA per LA-141, maximum of two (2) LA-141s daisy chained with CAT-5e cable 24 AWG 100 ft. (30 m) to each LT-84 Expansion Link Output |
| Color | Black with White Silk Screening |
| Shipping Weight | 3.0 lbs. (1.4 kg) |
| Mounting | Can be mounted on a wall, ceiling, or table with provided hardware (screws and hollow wall anchors not provided). Optional LA-347 Wall Box Mounting Plate is available for mounting to a standard single gang electrical box. |
| Dimensions (H x W x D) | 1.5 x 10.7 x 4.1 in. (3.81 x 27.2 x 10.5 cm) |
| Unit Weight | 0.6 lbs. (0.3 kg) |
| 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 |
| Standards | FCC Part 15, ICS-03, CE, UL, CUL, C-Tick, CCC, PSE, KC, GS, RoHS, WEEE |
Includes:
- One (1) x LA-141 ListenIR Expansion Radiator
- One (1) x 25 ft. (7.6 m) CAT-5e Cable
- One (1) x LA-344 Flexible Mounting Hardware
- One (1) x Quick Start Guide
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