Ekars EPA-2243 Operating Manual

OPERATING MANUAL

EPA-2243

Public Address

Power Amplifier

Contents

1. Unpacking And Installation -------------------------------------------------------- 2

2. Features ------------------------------------------------------------------------------ 3

3. Front Panel Controls --------------------------------------------------------------- 4

4. Rear Panel Controls --------------------------------------------------------------- 5

5. Installation Of The Speaker ------------------------------------------------------- 6

6. Connections ---------------------------------------------------------------------------- 7

7. Specifications ----------------------------------------------------------------------- 8

8. Block Diagram --------------------------------------------------------------------------------- 9

SamHyoung Electronics Co., Ltd.

936-4, Kumuncheoun-Ri, Hyangnam-Myun,
Hwaseong-City, Kyunggi-Do, Korea (445-922)

Tel : 82)31+432+5112 / 82)31+432+4422

Fax : 82)31+352+7637 / 82)31+352+7649

Home Page : http://www.ekars.co.kr
http://www.samhyoung.co.kr

E-mail : [e-mail]
[e-mail]

1

Unpacking And Installation

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

Although it is neither complicated to install nor difficult to operate your Power Amplifier,
a few minutes of your time is required to read manual for a properly wired installation
and becoming familiar with its many features and how to use them.
Please take a great care in unpacking your Power Amplifier and do not discard the carton
and other packing materials.
They may be needed with when moving your set and are required if it ever becomes
necessary to return your set for service.
Never place the unit radiators, in front of heating vents, in excessively humid or dusty
location to avoid early damage and for your years of quality use.
Connect your complementary components as illustrated in the following page.

The instruction for use shall state that the apparatus shall not be exposed to dripping or
splashing and that no objects filled with liquids, such as vases, shall be placed on the
apparatus.

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION

TO REDUCE THE RISK OF ELECTRIC SHOCK.
DO NOT REMOVE COVER (OR BACK).
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED
SERVICICE PERSONNEL.

WARNING

TO PREVENT FIRE OR SHOCK HAZARD,
DO NOT EXPOSE THE UNIT TO RAIN OR
MOISTURE.

:

:

CAUTION

2

This symbol is intended to alert the user to the
presence of uninsulted "dangerous voltage"
with in the product's enclosure that may be of
sufficient magnitude to constitute a risk of
electric shock to persons.

This symbol is intended to alert the user to the
presence of important operation and maintenance
(servicing) instructions in the literature
accompanying the appliance.

:

To prevent electric shock do not use this
(polarized) plug with an extension cord,
receptacle or other outlet unless the blades can
be fully inserted to prevent blade exposure.

Features

THERMAL PROTECTION & AUTOMATIC IDLING CIRUITRY

Thermal protection circuitry is provided for stability and reliability against
over-current and over-heating. Automatic idling circuit is also provided
to protect against thermal run-away.

MUTE START SYSTEM

To protect speakers and remove pop noise, start operating after 1 second.

BALANCED INPUT

To allow you to build reliable system, a balanced input is provided to reduce
hum pickup from a long distance input cable and to avoid group-loop problems.

USE OF EMERENCY BATTERY

You can operate the power amplifier by using emergency battery
for unexpected AC power failure.

3