Listen Technologies LR-100 user manual Table of Contents, Specifications

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R

LR-100 Stationary Receiver / Power Amplifier

www.ListenTech.com

Table of Contents

Architectural Specifications

page

2

Specifications

page

3

Front and Rear Panel Descriptions

page

4

System Block Diagram

page

6

Important Things to Note Before Starting

page

7

Installation

page

9

Setup

page 15

Resetting After an Overload Condition

page 19

Troubleshooting

page 20

Channel Selection Guide

page 22

FCC Statement

page 23

Warranty

page 24

Specifications

RF Frequency Range

72 MHz: 72.025 - 75.950 MHz

 

216 MHz: 216.0250 MHz - 216.975 MHz

Number of Channels

57

Sensitivity

.6 uV typical, 1 uV maximum for 12dB SINAD

Signal to Noise Ratio*

80dB with SQ enabled, 60dB (72 MHz), 50dB (216 MHz)

 

with SQ disabled

Frequency Response*

50 to 15 kHz +/-3dB (10 kHz at 216 MHz)

Distortion*

<2% at 80% deviation

Auxiliary Input to Audio

 

Output / Speaker

25 Hz to 20 kHz +/-3dB, <.2% distortion, >80dB SNR

Balanced Output

Male XLR, 0dBu nominal

Unbalanced Output

Phono (2), -10dBu nominal

Balanced Auxiliary Input

Female XLR-1/4” combo connector, adjustable input level,

 

0dBu nominal

Unbalanced Auxiliary Input

Phono (2), adjustable input level, -10dBu nominal

Power Amplification

44 Watt peak (31 Watt RMS), 4 ohms

Remote Channel Select

Detachable terminal block connector. Momentary closure to

 

ground for UP, DOWN and MUTE functions. Mute function is

 

indicated on front panel

Squelch

Adjustable with front panel control; LED indicator

Programming

Front panel can be locked by holding down the SEEK button

 

for five seconds; receive channels can be programmed so

 

user can only access certain channels

Antenna

Standard BNC, flexible helical, included. 9 in (23 cm) for

 

72 MHz; 5.5 in (14 cm) for 216 MHz. Optional remote antennas

 

available (see antenna selection guide)

Physical

8.0 in (20.3 cm) W x 8.0 in (20.3 cm) D x 1.75 in (4.45 cm) H

Power Supply

Provided (Listen part number LA-201, same as LT-800 power

 

supply). Input: 120 VAC, 60 Hz, 19 Watts (maximum coninuous);

 

Output: 18 VAC, 1000 mA. Connector: .02 in (5.0 mm) OD,

 

.01 in (2.5 mm) ID, barrel type

Optional External Battery

12 VDC

*Wireless Transmission System Specifications: End-to-end.

 

 

 

LISTEN TECHNOLOGIES CORPORATION 8535 South 700 West, Suite A Sandy, Utah 84070-2515 USA

3

Phone: +1.801.233.8992 U.S.A. Toll Free: 1.800.330.0891 Fax: +1.801.233.8995 www.ListenTech.com

 

 

 

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Contents User’s Manual LR-100 Stationary Receiver / Power Amplifier Specifications Table of ContentsMute LR-100 Front Panel Connections and ControlsControl LR-100 Rear Panel Connections and ControlsBefore Installing Your LR-100 System Block DiagramCoaxial Cable Important Things to Note Before Starting Your InstallationWhat is Squelch? What is ListenSQTM?Strategies for Maximizing RF Reception with the LR-100 Installation Powering the Unit AC Power OperationBattery Operation Output Audio Selection Switch Installation Audio Connections Output AudioLINE/MIC Switch Balanced Audio OutputUnbalanced Audio Output Speaker Connection Auxiliary InputInstallation Antenna Using the supplied helical antennaUsing a remote antenna Installation Remote Control Setup Understanding the LCD displayWhich channels should I use? Setup Adjustments Setup VU MeterInput Audio Levels Squelch Selecting SQ on or OFFChannel Selection ProgrammingLR-100 Stationary Receiver / Power Amplifier Resetting After an Overload Condition Troubleshooting LR-100 Stationary Receiver / Power Amplifier Channel Selection Chart 72 MHz 216 MHz FCC Statement Warranty

LR-100 specifications

The Listen Technologies LR-100 is an advanced personal listening device designed to enhance audio experiences in various settings, including classrooms, churches, theaters, and conference rooms. With its sophisticated technology and numerous features, the LR-100 ensures that users can hear every word clearly, allowing them to participate more fully in events and activities.

One of the key features of the LR-100 is its lightweight and ergonomic design, making it comfortable for users to wear for extended periods. The device is equipped with a built-in speaker and headphone jack, enabling users to connect their preferred headphones for a more personalized audio experience. This flexibility caters to users with varying preferences, ensuring that everyone can receive the audio quality they desire.

The LR-100 utilizes cutting-edge FM technology, which provides excellent audio clarity and minimizes interference, even in crowded environments. This feature is particularly vital in settings where multiple audio signals may be present, guaranteeing that users receive a clear and focused audio feed. The LR-100 has a wide operating frequency range, ensuring compatibility with various transmitters and audio sources.

The device operates on a robust battery system that delivers extended life for users in need of longer listening sessions. The LR-100 can easily be recharged via a USB port, offering convenience and reducing the need for disposable batteries. This eco-friendly option aligns with sustainability efforts while providing reliable performance for prolonged use.

A standout characteristic of the LR-100 is its adjustable volume control, allowing users to set their preferred listening level. Furthermore, the device comes with a variety of accessories, including adjustable neck loops and earphones, to accommodate different listening preferences and needs.

The LR-100 is also designed with durability in mind, featuring a rugged casing that can withstand the rigors of daily use. This resilience is particularly important for environments where devices may be handled frequently, ensuring longevity and sustained performance over time.

In conclusion, the Listen Technologies LR-100 is an exceptional personal listening device that combines convenience, performance, and adaptability. Its state-of-the-art features and technologies make it an indispensable tool for enhancing audio experiences in a range of environments, allowing users to engage more fully and enjoy every moment.