Inter-m PA-2312 Manuel utilisateur

PA-2312 Public Address 2 CH Power Amplifier

10 911

CLI P

- 10dB

- 40dB

ROT

CHANNEL 1

10 911

CLI P

- 10dB

- 40dB

PROT

CHANNEL 2

POWER

OFF

2312

PUBLIC ADDRESS 2CH POWER AMPLIFIER

* Rack mount products in the Western Hemisphere(North America, South America,

and the Caribbean) do not have handles installed due to customer preference.

PA-2312_E(215.9*279.4) 05.12.13 6:48 PM 페이지2

Contents

1. Unpacking and Installation.....................................................................................................1

2. Features ................................................................................................................................2

3. Front Panel Controls...............................................................................................................3

4. Rear Panel Controls ...............................................................................................................4

5. Applications ..........................................................................................................................6

6. Block Diagram.......................................................................................................................7

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

OFFICE :

226-9 DUGJUNG - LI, HOE CHUN - EUB,

YANGJU - KUN, KYUNGKI - DO, KOREA

TEL : 82-351-860-7041~5, FAX : 82-351-858-1907

Home Page : http://www.inter-m.co.kr

E-mail : [email protected]

Unpacking and Installation

Although it is neither complicated to install nor difficult to operate your PA Amplifier, a few minutes of your

time is required to read this 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 set and do not discard the carton

and other packing materials. They may be needed when moving your set and are required if it ever

becomes necessary to return your set for service.

Never place the unit near 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.

PA-2312 1

PUBLIC ADDRESS 2 CH POWER AMPLIFIER

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK.

DO NOT REMOVE COVER (OR BACK).

NO USER-SERVICEABLE PARTS INSIDE.

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

WARNING

To prevent fire or shock hazard, do not

expose the unit to rain or moisture.

This symbol is intended to alert the user to the

presence of uninsulated “dangerous voltage”

within the product’s enclosure that may be of suf-

ficient 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 mainte-

nance (servicing) instructions in the literature

accompanying the appliance.

Caution: 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 expo-

sure.

Attentions: Pour prévenir les chocs électriques ne pas utiliser cette

fiche polarisée avec un prolongateur, une prise de

courant on une autre sortie de courant, sauf si les

lames peuvent étre insérées à fond sans en laisser

aucune partie à découvert.

Features

- 2 CHANNEL POWER AMPLIFIER

This unit is composed of two power amplifier circuits.

- GAIN VOLUME ADJUSTMENT & OUTPUT LEVEL INDICATOR IN FRONT PANEL

Gain volume is located at the front panel, so you can easily control output level. And you can monitor out-

put level throughout LED indicator in front panel.

- THERMAL PROTECTION & AUTOMATIC IDLING CiRCUITRY

To insure stability and reliability against over-current and over-heating, thermal protection circuitry is pro-

vided. In addition, automatic idling circuit is provided to protect against thermal run-away.

- BALANCED INPUT

A balanced input is provided to reduce hum pick up from a long distance input cable and to avoid ground

loop problem when you build the system.

- USE OF EMERGENCY BATTERY

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

PA-2312

PUBLIC ADDRESS 2 CH POWER AMPLIFIER

Front Panel Controls

1. POWER INDICATING LED

This LED indicates power is turned ON.

2. POWER SWITCH

Pressing this switch to ON will make the power indicating LED ON and supply the power to unit.

3. OUTPUT LEVEL INDICATORS

These LEDs indicates the output level of this amplifier. Be sure not to operate the unit with the clip LED

ON continuously (RED).

4. PROTECTION INDICATOR

This LED indicates the condition of the protection circuit. When the protection LED is “ON” the amplifier

is not operating normally (overheating and limiting), please check the INPUT/OUTPUT condition of the

amplifier.

5. LEVEL ADJUSTMENT VOLUME

This volumes control output levels.

PA-2312 3

PUBLIC ADDRESS 2 CH POWER AMPLIFIER

PA-2312

10 911

CLIP

-10dB

-40dB

PROT

54 0123

CHANNEL 1

10 911

CLIP

-10dB

-40dB

PROT

54 0123

CHANNEL 2

POWER

OFF

Rear Panel Controls

1. FAN

The fans should be kept free of all obstructions and be accessible to cool fresh air when possible. It is

important that the fans be used in a dust free environment.

2. SPEAKER OUTPUT TERMINALS

These terminals are for connection of speaker lines to deliver power output to speakers. Impedance (volt-

ages) of 4 ohm, 25V, 70V and 100V are provided for convenience. In any case, use the speakers

whose combined impedance is equal to or higher than the rated output impedance of amplifier.

* 100V or 25V can be selected optionally.

3. AC INLET

This terminal is connected AC input cord.

4. FUSE DRAWER

These fuse drawer contains AC fuse. Replace them with the same type fuse when they are blown out. If

they continuously blow, stop replacing fuses and refer servicing to qualified personnel.

5. HIGH-PASS FILTER SWITCH

This switch is for activating the High-pass Filter circuit, to protect speakers from excessive low frequency

power demands. The -3dB frequency of the High-pass Filter is 400Hz.

PA-1000B/1000BR

PUBLIC ADDRESS RECEIVER

UTOUTP

CH 1

DC INPUT

24V

FRAMEFLOAT

GROUND

LIFT

22V ( 4Ω)B

70V ( 21Ω)A

100V (41Ω)

COM

CH 2

CH 1

CH 2

BALANCED INPUT LINK

HPF

OFFON

HPF

OFFON

TO REDUCE THE RISK OF FIRE

REPLACE ONLY WITH SAME TYPE FUSE.

CAUTION;

UTILISER UN FUSIBLE DE RECHANGE

MEME TYPE.

NO USER SERVICEABLE PARTS INSIDE.

RISQUE DE CHOC ELECTRIQUE NE

CTRIC SHOCK, DO NOT REMOVE COVER.

REFER SERVICING TO QUALIFIED SERVICE

CAUTION;

AVIS;

TO REDUCE THE RISK OF ELE-

PERSONNEL

PAS

OUVRIR.

OUTPUT POWER : 120WX2

MADE IN KOREA

MODEL NO. PA-2312

PUBLIC ADDRESS

2 CH POWER AMPLIFIER

~AC INPUT

230V 50Hz, 290W

FUSE

T4AL/250V

123

4 5 6 7 8

4Ω25V 70V 100V

22V 5.2Ω42Ω83Ω

PA-2312

6. INPUT JACKS

These input jacks and terminals are for the balanced input signal. You can connect amplifiers in parallel

by using XLR jack.

7. EARTH LINK SWITCH

This slide switch provides for separation of “safety” earth and “safety” earth to prevent from hum loops.

8. DC INPUT TERMINALS

These terminals are for connecting DC power supply of battery. Connect red colored terminal to positive

lead of battery and black colored one to negative lead of battery.

PUBLIC ADDRESS 2 CH POWER AMPLIFIER

6PA-2312

PUBLIC ADDRESS 2 CH POWER AMPLIFIER

Applications

UTOUT P

CH 1

DC I NPUT

24V

FRAMEFLOAT

GROUND

LIFT

22V (4Ω)B

70V (21Ω)A

100V (41Ω)

COM

CH 2

CH 1

CH 2

BALANCED INPUT LINK

HPF

OFFON

HPF

OFFON

TO REDUCE THE RISK OF FIRE

REPLACE ONLY WITH SAME TYPE FUSE.

CAUTION;

UTILISER UN FUSIBLE DE RECHANGE

MEME TYPE.

NO USER SERVICEABLE PARTS INSIDE.

RISQUE DE CHOC ELECTRIQUE NE

CTRIC SHOCK, DO NOT REMOVE COVER.

REFER SERVICING TO QUALIFIED SERVICE

CAUTION;

AVIS;

TO REDUCE THE RISK OF ELE-

PERSONNEL.

PAS

OUVRIR.

OUTPUT POWER : 120WX2

MADE IN KOREA

MODEL NO. PA-2312

PUBLIC ADDRESS

2 CH POWER AMPLIFIER

~AC INPUT

230V 50Hz, 290W

FUSE

T4AL/250V

SWITCHED

DC OUT 24V

5A MAX

( )

(RACK ONLY)

MIC

PS-9116

SPEAKER

PB-9207A

AC INPUT

BATTERY

(DC24V)

PD-9359

TURN TABLE

(CD, TUNER.....)

PP-9214

AC INPUT : 220V 60Hz, 139VA

FUSE : 1A / 250V

MADE IN KOREA

BATTERY CHARGER

MODEL NO. PB-9207A

BATTERY IN

( )

( ) N

DC INPUT

24V

LINE

INSERT INSERT REC OUTPUT PRIORITY INPUT

MIC MIC MIC MIC MIC MIC MIC MIC

CH 2

OUTPUT OUTPUT

MUTE

OFF

LINE LINE LINE LINE LINE LINE

CH 5 CH 4 CH 3 CH 2 CH 1CH 8 CH 7 CH 6

CH 1

CH 12 CH 10CH 11 CH 9

CH 8 CH 7 CH 6 CH 5 CH 4 CH 3 CH 2 CH 1

DC INPUT

24V CH 16 CH 15 CH 14 CH13 CH 12 CH 11 CH 10 CH 9

AMP IN 1

AMP IN 2

ALL

GROUP 1

GROUP 2

TIMER REMOTE

(+)

(-)

(+)

(-)

EMERGENCY

AC FUSE

4A/250V

DC FUSE

10A/250V

SWED 1 (2000W)

SWED 2 (2000W)

SWED 3 (2000W)

SWITCHED DC OUT 24V

UNSWITCHED

DC OUTPUT 24V REMOTE

C-SW-H

GND

BATTERY

INPUT

( )

UNSWED (700W)

(AMP ONLY)

~AC INPUT

220V/60Hz,217VA

HOT

( )

BATTERY

(DC24V)

( )

PA-2312

PUBLIC ADDRESS 2 CH POWER AMPLIFIER

Block Diagram

8PA-2312

PUBLIC ADDRESS 2 CH POWER AMPLIFIER

Specifications

Specifications ..........................................................0dB=0.775Vrms

- ELECTRICAL

Rated Output (THD 1%).......................................................................................................120W (RMS)

..............................................................................................................................................4Ω(22V)

...........................................................................................................................................5.2Ω(25V)

............................................................................................................................................41Ω(70V)

..........................................................................................................................................83Ω(100V)

Input Sensitivity/Impedance..............................................................................................1V/10kΩ, BAL

Frequency Response (+1/–3dB) ...........................................................................................70Hz-20kHz

T.H.D .................................................................................................................................Less than 1%

S/N .............................................................................................................................Better than 95dB

HPF ................................................................................................................................–3dB at 400Hz

Channel Separation .......................................................................................................Less than –70dB

- GENERAL

Power Source ..................................................................................AC 110V–240V, 50/60Hz, DC 24V

Power Consumption .....................................................................................................................290W

Weight..........................................................................................................................................20kg

Dimensions...............................................................................................482(W) 132(H) 280(D)mm

* Specifications and design subject to change without notice for improvements.

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