Listen Technologies LA-122 user manual Table of Contents, Architectural Specifications

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LA-122 Universal Antenna Kit

Table of Contents

www.ListenTech.comR

Contents of Kit

page

2

Specifications

page

3

Architectural Specifications

page

3

Important Things to Note Before Starting

page

4

Selecting an Antenna Location

page

6

Choosing Which Antenna to Use

page

6

Dipole Antenna Mounting Options

page

7

Monopole Antenna Mounting Options

page 11

Troubleshooting

page 14

Warranty

page 16

Specifications

Center Frequencies:

73.50 MHz and 216.50 MHz

Antenna Types:

Monopole and Dipole

Antenna Gain:

Unity

Antenna Segment Lengths:

(same for both rigid and flexible antennas)

 

72 MHz: 39.25 in (1.0 m); 216 MHz: 12.25 in (31.1 cm)

Dipole Vertical Clearance:

72 MHz: 79.75 in (2.03 m); 216 MHz: 25.75 in (65.4 cm)

Connector:

Standard BNC

Coax Provided:

25 ft (7.6 m) RG58 with BNC connectors

Mounting Options:

Wall mount, dual and single electrical box, ceiling electrical box,

 

horizontal surface mount (such as on top of a rack), ceiling /

 

inverse mounting, flexible mounting in-wall or in-ceiling and

 

mast or conduit mount

Mounting Hardware:

Provided. Includes self-tapping sheet metal screws, drywall

 

anchors, and all hardware required to mount to electrical boxes.

 

Does not include hardware required to mount to a mast (avail-

 

able at most hardware stores)

Mounting Bracket Dimensions:4.5 in (11 cm) wide x 7.0 in (18 cm) deep x 2.5 in(6.4 cm) high

Mounting Plate Dimensions:

4.48 in (11.4 cm) x 4.55 in (11.6 cm)

Shipping Box Dimensions:

2.76 in x 16.3 in x 17.1 in

 

(70 mm x 415 mm x 435 mm)

Weight:

4.4 Lbs. (2 kg)

Architectural Specifications

The Universal Antenna Kit shall be capable of operating from 72.0 to 76.0 MHz with a center frequency of 73.5 MHz and from 216.0 to 217.0 MHz with a center frequency of

216.5MHz. The kit shall include the necessary mounting hardware to mount the antenna on a single or dual electrical box, directly on a wall, on a ceiling electrical box or on a flat surface. The antenna shall have a BNC connector and the kit shall come with 25 ft (7.6 m) of RG58 coax with BNC connectors. The kit shall include rigid and flexible antenna radials. The Listen LA-122 Universal Antenna Kit is specified.

LISTEN TECHNOLOGIES CORPORATION 8535 South 700 West, Suite A Sandy, Utah 84070-2515 USA Phone: +1.801.233.8992 USA Toll Free: 1.800.330.0891 Fax:+1.801.233.8995 e-mail: info@listentech.com

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Contents User’s Manual Mounting Options Table of Contents SpecificationsArchitectural Specifications Mail info@listentech.com Before Starting Assembly of Your AntennaAntenna Orientation Selecting an Antenna Location Dipole Antenna Mounting Options Active Side Mounting Inside a Wall or CeilingMounting to a Mast or Conduit Connecting the Dipole Antenna Hex Kep nut See Diagram J Mounting a Monopole Antenna to a Non-Conductive Surface Mounting a Monopole Antenna to a Metal Beam or Metal CeilingTroubleshooting LA-122 Universal Antenna Kit Warranty
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LA-122 specifications

The Listen Technologies LA-122 is a versatile and robust assistive listening device designed to enhance audio experiences in a variety of settings. This system is particularly beneficial in environments where high-quality sound transmission is essential, such as theaters, lecture halls, museums, and places of worship. The LA-122 stands out for its innovative technology and user-friendly features, making it an excellent choice for both users and venue operators.

One of the key features of the LA-122 is its extended range. This system utilizes a 72 MHz frequency band, ensuring minimal interference from other electronic devices. This capability allows for clear and uninterrupted audio transmission, vital for contributors and audiences who rely on precise sound quality. The LA-122's transmission range can cover large areas, making it ideal for extensive venues where audiences are spread out.

The device is also designed with user comfort in mind. It includes lightweight and ergonomic headphones that are comfortable to wear for extended periods. Moreover, the LA-122 can accommodate users with hearing aids, featuring a built-in induction loop that allows for seamless integration. This feature ensures that individuals using hearing aids can receive audio directly, improving their overall listening experience.

The sleek and compact design of the LA-122 promotes convenience in terms of handling and storage. The device can be easily transported and set up, making it a favorite among event organizers and facility managers. It is also equipped with rechargeable batteries, which not only reduce operational costs but also promote environmental sustainability.

In terms of connectivity, the LA-122 can connect with various audio sources, including televisions, microphones, and sound systems. This multi-source capability provides flexibility to users, allowing different venues to customize audio experiences according to their specific needs. Furthermore, the system supports multiple receivers, enabling it to cater to large groups simultaneously.

Overall, the Listen Technologies LA-122 is an advanced and reliable assistive listening solution. Its combination of superior sound quality, user-centric design, and versatile compatibility makes it an essential tool in enhancing auditory experiences for individuals with hearing impairments. Whether in educational facilities, cultural institutions, or public events, the LA-122 ensures that everyone can engage fully with the auditory content being presented.