Kramer Galil 8-CO User manual

KRAMER ELECTRONICS LTD.

USER MANUAL

MODEL:

Galil 8-CO

Open-back Ceiling Speakers

P/N: 2900-300394 Rev 2

Galil 8-CO – Contents

Contents

1Introduction 1

2Getting Started 2

2.1 Achieving the Best Performance 2

3Overview 3

4Your Galil 8-CO 4

5Installing the Open-back Ceiling Speakers 5

5.1 Choosing the Best Location 5

5.2 Cutting the Ceiling Tile 6

5.3 Mounting the Open Back Ceiling Speakers 7

5.4 Array Installation 8

5.5 Painting the Speaker 11

6Technical Specifications 12

Figures

Figure 1: Open-back Ceiling Speakers in a Boardroom Setup 3

Figure 2: Galil 8-CO Open-back Ceiling Speakers 4

Figure 3: Position Mounting Tab 7

Figure 4: Adjust Tap Selector 7

Figure 5: Open-back Ceiling Speaker Schematic Pinout Diagram 8

Figure 6: The Speaker Coverage Area 9

Figure 7: Square Layout 9

Figure 8: Hexagonal Layout 9

Figure 9: Square Layout Parallel Wiring 10

Galil 8-CO - Introduction

1 Introduction

Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been

providing a world of unique, creative, and affordable solutions to the vast range of

problems that confront video, audio, presentation, and broadcasting professionals

on a daily basis. In recent years, we have redesigned and upgraded most of our

line, making the best even better!

Our 1,000-plus different models now appear in 14 groups that are clearly defined

by function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Routers;

GROUP 3: Control Systems; GROUP 4: Format/Standards Converters; GROUP 5:

Range Extenders and Repeaters; GROUP 6: Specialty AV Products; GROUP 7:

Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9:

Room Connectivity; GROUP 10: Accessories and Rack Adapters; GROUP 11:

Sierra Video Products; GROUP 12: Digital Signage; GROUP 13: Audio; and

GROUP 14: Collaboration.

Congratulations on purchasing your Kramer Galil 8-CO Open-back Ceiling

Speakers, which are ideal for the following typical applications:

Presentation venues

Training rooms

Conference rooms

Hotel lobbies

Educational classrooms

Galil 8-CO is designed for indoor dry locations and is suitable for

use in air handling spaces (plenum spaces).

Galil 8-CO - Getting Started

2 Getting Started

We recommend that you:

Unpack the equipment carefully and save the original box and packaging

materials for possible future shipment

Review the contents of this user manual

Go to http://www.kramerelectronics.com/support/product_downloads.asp

to check for up-to-date user manuals, application programs, and to check if

firmware upgrades are available (where appropriate).

2.1 Achieving the Best Performance

To achieve the best performance:

Use only good quality connection cables (we recommend Kramer high-

performance, high-resolution cables) to avoid interference, deterioration in

signal quality due to poor matching, and elevated noise levels (often

associated with low quality cables)

Do not secure the cables in tight bundles or roll the slack into tight coils

Avoid interference from neighboring electrical appliances that may adversely

influence signal quality

Position your Kramer Speakers away from moisture, excessive sunlight and

dust

This equipment is to be used only inside a building. It may only be

connected to other equipment that is installed inside a building.

Do not open the housing of the speaker; doing so may reduce the

quality of the sound.

Galil 8-CO - Overview

3 Overview

The Galil 8-CO speakers include a pair of high performance Open-back Ceiling

speakers that can be mounted on the ceiling. The Galil 8-CO speakers feature a

multi tap power transformer for selecting 8Ω (bypassing the transformer) or

70V/100V power settings suitable for array installation.

Figure 1 shows an example of how the Open-back Ceiling speakers can be

installed in a boardroom setup:

Figure 1: Open-back Ceiling Speakers in a Boardroom Setup

Galil 8-CO - Your Galil 8-CO

4 Your Galil 8-CO

Figure 2 defines the Galil 8-CO:

Figure 2: Galil 8-CO Open-back Ceiling Speakers

The following table defines the Open-back ceiling speaker hardware items (per

speaker pair):

Description

A pair of ceiling

speakers

(one shown)

Two grilles

(one shown)

Cutout

template

Be sure that the tiles can support the speaker. Smaller sized tiles or

fiberglass-type tiles cannot support the weight of the speakers.

When this is the case, the speakers will need additional support.

Galil 8-CO - Installing the Open-back Ceiling Speakers

5 Installing the Open-back Ceiling Speakers

This section explains how to install the Open-back ceiling speakers, that is:

Choosing the best place to locate your speakers (see Section 5.1)

Cutting the ceiling tile (see Section 5.2)

Installing the speakers (see Section 5.3)

Array installation general guidelines (see Section 5.4)

Painting the speakers (see Section 5.5)

5.1 Choosing the Best Location

Ideally, locate the speakers above the main listening area. Before doing so, be

sure that:

The desired location is free of obstructions, such as electrical piping, AC

ducts or water lines, and so on

There is enough space behind the mounting surface for the speakers

The rear side of the speaker is not blocked by wall studs or other objects

Galil 8-CO - Installing the Open-back Ceiling Speakers

5.2 Cutting the Ceiling Tile

To cut the ceiling tile, do the following:

1. Remove the circle in the supplied template.

Keep this template for later use as a mask, as you may want to paint the speakers (see

Section 5.4)

2. Mark the opening in the correct location by tracing the hole in the template.

3. Cut out the hole according to the template or with a circular cutter set to the

appropriate cutout size.

Initially, you can cut a smaller area inside the marked hole just to be sure that the

space above the speakers is clear

4. Route the wiring from the amplifier to the speakers’ cutout holes, taking care

not to place them next to electrical wires or at least at a distance of about

two feet from an AC line.

Do not nail or staple the speaker wires.

If you are mounting the speakers onto a ceiling tile, remove the ceiling tiles where

you plan to install the speakers. Use the template to trace and then cutout the

speaker hole over an empty box.

Be sure that the tiles can support the speaker. Smaller sized tiles or

fiberglass-type tiles cannot support the weight of the speakers.

When this is the case, the speakers will need additional support.

When mounting onto a sheetrock ceiling, the C-ring alone is used to reinforce the

ceiling material.

Galil 8-CO - Installing the Open-back Ceiling Speakers

5.3 Mounting the Open Back Ceiling Speakers

To mount the 2-way Open-back Ceiling speakers, do the following:

1. Position the mounting tabs (see Figure 3) inward.

Figure 3: Position Mounting Tab

2. Adjust each speaker to the appropriate tap setting (see Figure 4).

Set the tap according to the power requirements of the speaker based on its location in

the room (for example, a speaker located in a remote corner would require additional

power)

Figure 4: Adjust Tap Selector

3. Insert the supplied screws into the screw openings from the front of the

speakers.

4. Connect the speaker wires to the speaker terminals.

Figure 5 shows a schematic diagram of the Closed-back ceiling speaker

Pinout:

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