Macrom 4450 User Manual

44.50

Owner`s Manual

Bedienungsanleitung

Manuel d`Emploi

Manuale di Istruzioni

Manual de Instrucciones

CONTENTS / INHALT / TABLE DE MATIERES / INDICE / ÌNDICE

• CONTENTS / INHALT / TABLE DE MATIERES / INDICE / ÌNDICE. . . . . . . . . . . . . . . . . . . I

• CONNECTIONS / ANSCHLUSSE / CONNEXIONES /

COLLEGAMENTI / CONEXIONES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . II

• SYSTEM CHART / SYSTEM-DIAGRAMM / EXEMPLES DE SYSTEME /

DIAGRAMMA DI SISTEMA / DIAGRAMMA DEL SISTEMA . . . . . . . . . . . . . . . . . . . . . . . . III

“ENGLISH”

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

FEATURES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

CONTROL AND INDICATORS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

CONTROL AND INDICATORS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

TECHNICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

“DEUTSCH”

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

EIGENSCHAFTEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

EINSTELLUNGEN UND ANZEIGEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

EINSTELLUNGEN UND ANZEIGEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

TECHNISCHE DATEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

“FRANCAIS”

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

CARACTERISTIQUES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

CONTROLES ET INDICATEURS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

CONTROLES ET INDICATEURS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

CARACTERISTIQUES TECHNIQUES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

“ITALIANO”

INTRODUZIONE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

PRECAUZIONI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

CARATTERISTICHE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

CONTROLLI & INDICATORI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

CONTROLLI & INDICATORI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

DATI TECNICI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

“ESPAÑOL”

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

CARACTERÍSTICAS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

CONTROLES & INDICADORES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

CONTROLES & INDICADORES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

DATOS TÉCNICOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

CONNECTIONS / ANSCHLUSSE / CONNEXIONES /

ChecK Control

Fuse

25A 25A

Power Connector

+ Batt GND Remote

11 12 13 14 15 16

1 2 3 4 5 6 978 10

2 Ch 4Ch

Input Mode

Gain

Control

4V 0,2V

Input

Flat HI LOW

Filter Mode

Flat HI LOW

Filter Mode

2Ch 3Ch 4Ch

Output

Mode

Filter

Control

30Hz 600Hz

Filter

Control

30Hz 600Hz

Gain

Control

4V 0,2V

RearFront

COLLEGAMENTI / CONEXIONES

44.40

SYSTEM CHART / SYSTEM-DIAGRAMM / EXEMPLES DE SYSTEME /

44.40

DIAGRAMMA DI SISTEMA / DIAGRAMA DEL SISTEMA

44.50

III

INTRODUCTION

The name of MACROM has always been the synonym of tradition, of a European acoustic and musical tradition in the pursue of the topmost sound quality and the fact that you chose to buy this product makes it clear that you due agree with us. With the help of this manual you will be able to maximise the enjoyment that you will get out of your new 44.50 Mono Amplifier. This amplifier incorporates many advanced technical features and performances. Therefore, it is essential that all signals sources, speakers and interconnection devices are of the highest sonic quality. We strongly recommend the use of MACROM head units, power amplifiers, speaker systems, high-quality interconnection cables and accessories, because the integration of all these products is very complex. We therefore advise that you have installed the 44.50 by your MACROM dealer.

This product has no user-adjustable controls; read this manual carefully in order to become well acquainted with all the special features and functions of your new MACROM 44.50. Do not hesitate to contact your MACROM dealer should you have any problem.

PRECAUTIONS

1. The unit may be damaged by wrong lead connection, therefore read carefully the instructions of this manual for the correct connection of the leads.

2. The last lead to be connected is the one to the positive (+) terminal of the battery; connect this lead only after having completed and checked all other connections.

3. Be sure to install the crossover in a position with good air circulation and good heat dissipation.

4. In case of fuse replacement make sure to replace it with a fuse of the same amperage. If fuses blow more than once, carefully check all electrical connections. Also have your car’s voltage regulator checked. Do not attempt to repair the unit yourself. If repairs are ever needed, take the unit to your MACROM dealer or to your nearest MACROM service station.

5. In order to get the best possible performance from this unit, make sure that the temperature inside your car is within the range of -10° C and +60° C before you switch the unit on. Good air circulation is essential to prevent heat build-up inside the unit.

FEATURES

• INPUT MODE SELECTOR 4/2 CHANNELS

• OUTPUT MODE SELECTOR 4/3/2 CHANNELS

• FRONT CROSSOVER SELECTOR: EITHER FLAT OR LOW- PASS OR HIGH-PASS

• REAR CROSSOVER SELECTOR: EITHER FLAT OR LOW-PASS OR HIGH-PASS

• CONTINUOUS FREQUENCY ADJUSTMENT

• CONTINUOUS SENSITIVITY ADJUSTMENT

• MOS-FET POWER SUPPLY

• “CHECK CONTROL” STATUS INDICATOR

• REMOTE ON AND OFF

• GOLD-PLATED RCA INPUT CONNECTIONS

• PROFESSIONAL GOLD-PLATED SCREW-TYPE SUPPLY TERMINALS

CONTROLS AND INDICATORS

Flat HI Low

20Hz 20KHz

Flat HI Low

30Hz 600Hz

Flat HI Low

30Hz 600Hz

Flat HI Low

20Hz 20KHz

Flat HI Low

30Hz 600Hz

Flat HI Low

30Hz 600Hz

1 • FRONT INPUT CONNECTORS: Connect the pre-output leads of the head unit to the input

connectors of the amplifier. This input will drive the end stage of the FRONT section.

2 • FRONT INPUT GAIN ADJUSTMENT CONTROL: input sensitivity ranges from 200 mV to 4V. If the amplifier is to be connected to a head unit that is fitted with preamplified RCA outputs, proceed as follows:

a) set the volume control of your unit to 3/4 of maximum output level; b) set the input gain control to the point where the maximum sound level with no distortion is

obtained.

3 • FRONT CROSSOVER SELECTOR: it allows to select the output mode of the amplifier by activating either the High-Pass or the Low-Pass filter. a) Flat: the amplifier reproduces the whole range of frequencies from

20 Hz to 20 kHz;

b) High-Pass: the amplifier reproduces a range of frequencies from

20 Hz to 30 Hz or from 20 Hz to 600 Hz as well as from 30 Hz to 600 Hz;

c) Low-Pass: the amplifier reproduces a range of frequencies from 20

Hz to 30 Hz or from 20 Hz to 600 Hz as well as from 30 Hz to 600 Hz.

4 • CONTINUOUS ADJUSTMENT OF THE FRONT HIGH-PASS AND LOW- PASS FREQUENCIES: after positioning the filter, either High-Pass or Low-Pass, frequencies can be

adjusted between 30 and 600 Hz .

5 • 4CH/2CH INPUT MODE SELECTOR: it allows to select the amplifier’s input configuration as follows: a) “4ch”: the four input connectors have to be all connected to the pre-amplified outputs of

the unit to drive the four amplifier channels;

b) “2ch”: to drive the four channels just the two Front input connectors have to be connected

to the pre-amplified outputs of the unit.

6 • 4CH/3CH/2CH OUTPUT MODE SELECTOR: it allows to select the amplifier’s output configuration as follows: a) ”4ch”: 4 output channels are working, therefore the amplifier configuration can be as

follows: four stereo channels;

b) “3ch”: 3 output channels are working, therefore the amplifier configuration can be as

follows: two stereo channels and one mono channel;

c) “2ch”: 2 output channels are working, therefore the amplifier configuration can be as

follows: two mono channels.

7 • REAR CROSSOVER SELECTOR: it allows to select the output mode of the amplifier by activating either the High-Pass or the Low-Pass filter. a) Flat: the amplifier reproduces the whole range of frequencies from

20 Hz to 20 kHz;

b) High-Pass: the amplifier reproduces a range of frequencies from

20 Hz to 30 Hz or from 20 Hz to 600 Hz as well as from 30 Hz to 600 Hz;

c) Low-Pass: the amplifier reproduces a range of frequencies from

20 Hz to 30 Hz or from 20 Hz to 600 Hz as well as from 30 Hz to 600 Hz.

CONTROLS AND INDICATORS

8 • CONTINUOUS ADJUSTMENT OF THE REAR HIGH-PASS AND LOW- PASS FREQUENCIES: after positioning the filter, either High-Pass or Low-Pass, frequencies can be

adjusted between 30 and 600 Hz.

9 • REAR INPUT GAIN ADJUSTMENT CONTROL: input sensitivity ranges from 200 mV to 4V. If the amplifier is to be connected to a head unit that is fitted with preamplified RCA outputs, proceed as follows:

a) set the volume control of your unit to 3/4 of maximum output level; b) set the input gain control to the point where the maximum sound level with no distortion is

obtained.

10 • REAR INPUT CONNECTORS: connect the pre-output leads of the head unit to the input connectors of the amplifier. This input will drive the end stage of the REAR section.

11 • SPEAKER CONNECTOR: outputs for speakers connection. The amplifier allows to connect speakers with minimum 1-ohm impedance per channel in stereo configuration and with minimum 2-ohm impedance in mono-bridged configuration. Should the 3-channel configuration be used, total impedance must not exceed the minimum 2ohm value. Be sure to keep the right polarity in connecting the speakers. Avoid any contact between poorly insulated wires and the car’s ground or metal pieces and between the wires themselves.

12 • FUSE: in case of fuse replacement be sure to use fuses of the same amperage. The use of fuses with wrong amperage may seriously damage the components of the unit.

13 • BATT + LEAD: connect it directly to the battery positive pole (+) by using a cable with an adequate section. Place a fuse between the battery and the amplifier so that the fuse is as close as possible to the battery.

14 • GND CONNECTOR: Do not connect it directly to the battery negative pole (-) but connect it to a clean part (i.e. paint-free) of the vehicle’s chassis by using a cable with an adequate section.

15 • REMOTE-ON CONNECTOR: it should be connected to the remote switch-on output lead or to the output lead of the power antenna coming from the head unit. By doing so the 44.50 can be switched on and off through the head unit.

16 • CHECK CONTROL LED: this led shows the amplifier’s status of operation: WHITE: the unit is off GREEN: the unit is working fine RED: the unit has entered the protection mode

The 44.50 is equipped with three different protection devices:

- Overheating: in case of wrong installation and of amplifier’s overheating, the unit enters the protection mode before being damaged. As soon as the temperature returns to normal values and mistakes are corrected, the unit resumes normal operation.

- Overloads: in case a series of speakers is connected to the amplifier with the total impedance value dropping below a tolerable level, i.e. 1 Ohm, the amplifier enters the protection mode. To restore normal operation switch off the head unit and then switch it on again.

- Output short circuit: in case of a short circuit at the speaker outlets the unit enters the protection mode in order to avoid serious damage to the end-stage transistors. Normal operation is resumed by removing the short circuit and by switching the head unit on again.

TECHNICAL DATA

RMS Power:

IHF 202 480 Watt Front/Rear @ 1 kHz < 0.08% THD at 4 Ohm 4 x 50 Watt Front/Rear @ 1 kHz < 0.5% THD at 2 Ohm 4 x 100 Watt Front/Rear @ 1 kHz < 0.5% THD mono at 4 Ohm 2 x 150 Watt

High-Pass, Front and Rear (30-600) Hz Low Pass, Front and Rear (30-600) Hz Crossover slope 12 dB/Octave Frequency response ± 1 dB 10 - 50,000 Hz Total harmonic distortion 0.08% S/N (signal-to-noise ratio) IHFA-weighed >100 dB Input sensitivity/impedance 200-4000 mV/22 kOhm Speaker impedance

stereo 1 Ohm min

mono 2 Ohm min Power supply 14.4 V DC (11-16 V allowed) Weight 2.7 Kg Size 217(l) x 49(h) x 280(d) mm

Due to continuing improvement, the features and the design are subject to change without notice.

+ 17 hidden pages