Listen Technologies LT- 800-072, LT-800-216 manual LT-800 Block Diagram, Headphone

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LT-800 Block Diagram

 

 

 

POWER

 

 

 

 

On

Off

 

 

 

 

Red

 

 

3.5MM

 

 

LED

 

 

 

 

 

 

Stereo

 

In-Line

 

 

CHANNEL SELECT

 

 

 

 

115VAC6

Power Supply

 

 

 

 

LA-201

 

 

Up

 

0 Hz

 

 

HEADPHONE

(provided)

 

 

 

 

15VAC, 1A

 

 

 

 

 

 

 

 

Power Supply

 

 

 

 

 

Down

 

 

 

 

CPU Module

 

 

 

 

 

 

Volume

 

 

 

 

Listen LCD Display

 

 

 

 

 

Backlighted

 

 

Top Mounted

 

 

MIX Level

Compression Ratio

 

 

 

VU Meter

 

Antenna Stud

 

 

(internal adjustment)

 

 

 

 

Remote

 

 

 

 

 

 

 

 

Antenna

 

 

 

 

 

 

 

 

Connection

 

 

 

 

 

 

 

 

 

Transmitter RF Board

Pre-emphasis

SQ

 

 

Processing

 

BNC

 

 

 

Companding

 

 

 

 

 

 

 

 

 

 

 

ANTENNA

 

 

 

 

 

 

 

 

 

 

 

 

Green

 

 

Green

 

 

 

 

 

LED

 

MIX LEVEL

LED

 

 

 

 

 

 

 

 

 

Functions controlled by the CP

Low

High

 

On

Off

 

On

Off

 

Mid

 

 

 

 

 

 

Module

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RF POWER

 

SQ

 

CONTOUR

PROCESS

Input 1 VU

 

 

Input 2 VU

 

Meter

 

 

Meter

 

Input Level

Front Panel

12VDC

 

 

Input 1 Level Select

 

 

Mic

Line

Mic-Phantom Pwr, Mic, Line

 

 

 

 

 

Mic

 

Input 2 Level Select

 

 

Phantom Pwr

 

 

 

 

+10dBu/-10dBu

 

 

 

 

 

Test Tone Button

 

 

 

 

 

 

+10dBu

-10dBu

Front Panel

 

 

ON

 

 

 

OFF

 

 

 

 

Red

 

 

 

 

LED

 

Female XLR-1/4

 

 

 

 

Combo Connect

Phono

Phono

 

 

 

 

2/Tip 3/Ring

1/Sleeve

 

 

400Hz

 

 

 

INPUT 1

 

INPUT 2

MIX OUTPUT

TEST TONE

SpecifiPackagecationsContents

SpecifiPackagecationsContents

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Contents Page Page Page Page LT-800 Table of Contents Page LT-800 Package Contents Architectural Specifications LT-800 SpecificationsHeadphone LT-800 Block DiagramLT-800 Front Panel Controls & Displays LT-800 Quick ReferenceLT-800 Setup Instructions Select Channel Mode if necessary To Select Phonak ModeTo Select Expanded Mode Set SQ Super Quiet and Process FeaturesSet RF Power Connect Audio InputsInput LT-800 Operating Instructions Power Unit OnSelect a Channel Lock on ChannelAdjust Contour Adjust Audio Input LevelAdjust Mix Level LT-800 Audio ControlListen SQ Super Quiet Improving Your Listening Experience Coaxial Cable RF Reception Maximization StrategiesChannel Selection If you are using multiple channels follow this processMHz Compatibility Chart CompatibilityPackage ContentsCharts Frequency MHz Listen Phonak Phonak Frequency ChartTroubleshooting LT-800 TroubleshootingThere is not sufficient range Compliance Notice & FCC Statement Compliance NoticeFCC Statement Warranty & Contacting Listen WarrantyContacting Listen Optional Accessories Antenna AccessoriesLT-800 Rack Mount Accessories Microphone Accessories Cable & Connectors AccessoriesPage Page
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Manual 32 pages 2.82 Kb

LT- 800-072, LT-800-216 specifications

Listen Technologies has established itself as a leading provider of assistive listening systems, and its LT-800-072 and LT-800-216 transmitters are exemplars of their commitment to quality and innovation. These devices are designed to enhance the audio experience in environments where clear sound transmission is crucial, such as theaters, lecture halls, museums, and places of worship.

The LT-800-072 is a powerful, reliable FM transmitter that operates on the 72-76 MHz frequency band. It supports both mono and stereo transmission, making it versatile for various applications. One of its standout features is its robust selectable power output, which allows users to adjust the strength of the transmission based on the specific requirements of the environment, ensuring optimal coverage without interference. This flexibility is particularly beneficial in larger spaces, where sound needs to travel further without losing clarity.

On the other hand, the LT-800-216 is designed for use within the 216 MHz frequency range, offering another layer of versatility for varying listening preferences and regulatory requirements. It boasts a compact design, making it easy to integrate into existing audio systems or set up independently. The device also features a built-in audio input that accommodates multiple audio sources, including microphones, mixers, and other devices, allowing for seamless integration and functionality.

Both transmitters utilize advanced technology to deliver exceptional audio quality. The modulation techniques employed in these devices help eliminate static and background noise, ensuring that users receive crystal clear sound. The inclusion of multiple channels allows simultaneous transmission, which is a significant advantage in settings where multiple languages or presentation options are necessary.

Durability and ease of use are also critical characteristics of the LT-800-072 and LT-800-216. They are constructed with high-quality materials that withstand the rigors of regular use, making them ideal for both permanent installations and portable applications. Additionally, user-friendly controls and clear indicators simplify operation, enabling operators to focus on delivering an excellent auditory experience rather than troubleshooting technical issues.

In summary, the Listen Technologies LT-800-072 and LT-800-216 transmitters provide advanced sound transmission solutions characterized by flexibility, excellent sound quality, and robust build quality. Their capabilities make them suitable for various applications, effectively addressing the diverse needs of listeners in a range of environments.