Nilfisk-ALTO Comprehensive Guide to Stereo Amplifier Wiring Tips and Operations

Page 10

Input wiring tips

BALANCEDUNBALANCED

1

GND

1

SHIELD

 

3

 

3

2

 

2

 

INPUT

FROM

INPUT

FROM

SOURCE

SOURCE

 

 

+

+

NO USING

CHANNEL A

SHIELD

 

 

 

SHIELD

 

 

 

 

CH-2

 

INPUT

 

 

 

 

 

 

CONNECTION

 

 

 

 

 

 

(+)

SRT

 

 

 

 

LINE

 

 

T(+)

CH-1

CH-2

WARNING

 

 

 

(GND)

 

 

2

1

 

(-)

R(-)

 

BREAKER

TO REDUCE THE RISK OF FIRE

3

 

 

 

S(GND)

 

 

OR ELECTRIC SHOCK, DO NOT

 

 

 

 

 

 

 

EXPOSE THIS APPARATUS TO

 

 

 

 

 

 

 

RAIN OR MOISTURE.

 

OFF

ON

 

 

 

SEE INSTRUCTION BEFORE

 

 

 

 

USING!

 

 

 

LF 30HZ

 

 

 

 

 

 

 

FILTER

 

BRIDGED

 

Apparaten skall anslutas till

 

BALANCED

1.15V/20K

 

MONO

 

jordat uttag nar den ansluts

 

 

 

 

till ett natverk

 

INPUT

 

 

 

 

 

 

 

 

BRIDGED

CHANNEL 1

CHANNEL 2

 

 

LINE

STEREO

 

 

 

2

1

PARALLEL

 

 

 

 

3

(MONO)

 

 

MODEL

 

OFF

ON

 

 

 

 

CLIP LIMT

 

 

SERIAL

 

CH-1

 

A104

 

 

 

BRIDGED INPUT

 

 

 

 

 

BRIDGED

 

 

 

 

 

STEREO

 

 

 

 

PARALLEL

 

 

 

 

(MONO)

 

 

 

 

 

 

 

 

Channel B

 

 

 

 

 

PIN 1+

+

 

 

 

 

PIN 1-

 

Channel A

 

 

PIN 1+

+

 

PIN 1-

 

 

 

 

5.3 Operate MAC 2.2/2.3/2.4 in Bridged Mode

In this mode, the channel A input signal will be output from the bridge output connectors. In this case, use the channel A volume control to adjust the volume, keep the volume control of channel B turned completely down (counterclockwise). Bridged mode is intended for driving loads with a total impedance of 4 ohms or greater.

Input wiring tips

BALANCEDUNBALANCED

1

GND

1

SHIELD

 

3

 

3

2

 

2

 

INPUT

FROM

INPUT

FROM

 

SOURCE

 

SOURCE

NO USING

CHANNEL A

+

 

 

+

SHIELD

 

 

SHIELD

 

CH-2

 

INPUT

 

 

CONNECTION

 

 

(+)

SRT

 

 

2

1

 

LINE

3

T(+)

 

 

 

(GND)

2

1

(-)

R(-)

3

 

 

S(GND)

 

OFF

ON

 

 

LF 30HZ

 

 

FILTER

 

BALANCED

1.15V/20K

 

INPUT

 

 

 

 

 

BRIDGED

 

LINE

 

STEREO

2

1

PARALLEL

3

 

(MONO)

OFF ON

CLIP LIMT

CH-1

BRIDGED INPUT

BRIDGED

STEREO

PARALLEL

(MONO)

CH-1

CH-2

WARNING

 

BREAKER

TO REDUCE THE RISK OF FIRE

 

 

OR ELECTRIC SHOCK, DO NOT

 

 

EXPOSE THIS APPARATUS TO

 

 

RAIN OR MOISTURE.

 

 

SEE INSTRUCTION BEFORE

 

 

USING!

BRIDGED

 

Apparaten skall anslutas till

MONO

 

jordat uttag nar den ansluts

 

 

till ett natverk

CHANNEL 1

CHANNEL 2

 

MODEL

SERIAL

A104

Channel B+

Channel A+

+

NO USING

6.CAUTION FOR APPLICATION

6.1General Application Instruction

The following instructions describe the common ways to install your MAC 2.2/2.3/2.4 stereo power amplifier into a sound application system:

1.First, turn off power switch before connection.

2.Refer to chapter 5 for speaker connection

3.MAC 2.2/2.3/2.4 stereo power amplifier may be operated in one of the three modes, please slide the mode selector (12) for the specific operating mode.

9

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Contents MAC 2.2/2.3/2.4 Power Supply Safety Related SymbolsImportant Safety Instructions External ConnectionPreface Table of Contents CH1CH2 Rear Panel Rack Mounting Installation & ConnectionMains Connection Audio ConnectionOperate MAC 2.2/2.3/2.4 in Stereo Mode OperationOperate MAC 2.2/2.3/2.4 in Parallel Mono Mode Channel B Channel aOperate MAC 2.2/2.3/2.4 in Bridged Mode General Application InstructionTechnical Specifications SpecificationsBlock Diagram Warranty Warranty Registration CardNo.1, Lane 17, Sec , Han Shi West Road, Taichung, 401 Taiwan

MAC 2.2, MAC 2.3, MAC 2.4 specifications

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