Overview
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.
Features
- Up to 929 m2 (10,000 ft2) of reliable IR signal coverage
- 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
Specifications
Controls
|
| User Controls |
Termination Switch, Delay Compensation Switch, Indicator LEDs on/off, Compatibility Switch |
|
Indicators
|
| Red LED |
Indicates power is present. |
| Yellow LED |
Indicates no connection to transmitter or radiator. |
| Green LED |
Indicates carrier and power are present and radiator is emitting IR signal. |
|
RF
|
| Frequency Range |
1 MHz - 5 MHz |
| Input/s |
BNC Connection. -25 dBm to -5 dBm input nominal |
| Output/s |
BNC Connection. -15 dBu nominal |
| Coverage Area |
10,000 ft² (929 m²) when used with Listen Receivers |
|
Power
|
| Power Supply Input |
RJ-45 connector. 30 VDC, powered from transmitter via CAT-5 cable or optional LA-205 power supply. |
| Power Supply Output |
RJ-45 connector. 30 VDC, powers up to one additional radiator. (Maximum two radiators powered from each LT-82 transmitter or LA-205 power supply) |
| Emitter Power |
3 W |
| Cable Length |
250 ft. with (1) LT-82 and (2) LA-140 or 700 ft. with (1) LT-82 and (1) LA-140. |
|
Physical
|
| Width |
8.00 in. (203 mm) |
| Height |
5.50 in. (140 mm) |
| Depth |
2.60 in. (66 mm) |
| Color |
LA-140-GY (Grey), LA-140-WH (White) |
| Shipping Weight |
6.0 lbs. (2.70 kg) |
| Mounting |
Radiator can be mounted on a wall, on a ceiling, in a corner, on a desk, on a mic stand or on a tripod. Wall box mounting plate fits a standard single gang electrical box. |
| Weight |
2.1 lbs. (0.95 kg) |
| Weight (Loaded) |
2.4 lbs. (1.09 kg) |
|
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 |
|
Includes
- One (1) LA-140 Stationary IR Radiator
- One (1) 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) 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.
