EMPHASER EA2500D Istruzioni per l'installazione

INSTALLATION & OPERATING MANUAL

EINBAU- & BEDIENUNGSANLEITUNG

2-, 4- & 5-CHANNEL DIGITAL AMPLIFIERS

EM Digital 4/5-CH Manual 2004 26.03.2004 11:39 Uhr Seite 1

CONTENTS

1. DESIGN FEATURES 5

2. CONNECTIONS & CONTROLS 6-9

FRONT PANEL CONNECTION & CONTROLS 6-7

REAR PANEL CONNECTIONS & CONTROLS 8-9

3. INSTALLATION PLANNING 10

PLAN OF ATTACK 10

MOUNTING LOCATION 10

4. INFO ABOUT WIRE CROSS SECTIONS AND CABLE QUALITY 11

MAIN POWER CABLE CROSS SECTION 11

RCA INTERCONNECTS 11

LOUDSPEAKER CABLES 11

MINIMAL SPEAKER IMPEDANCES 11

5. AMPLIFIER MOUNTING 12

6. CABLE ROUTING 12-13

RCA INTERCONNECTS AND REMOTE WIRING

CONNECTION OF LOUDSPEAKER WIRES

MAIN POWER CABLE ROUTING

7. ADJUSTMENT OF THE CONTROL FUNCTIONS 13

SELECTING THE OPERATION MODE FOR SATELLITE SPEAKERS 13

SELECTING A CROSSOVER FREQUENCY POINT FOR SATELLITE SPEAKERS 13

SELECTING A CROSSOVER FREQUENCY POINT FOR KICKBASS SPEAKERS 14

LOWPASS CROSSOVER FREQUENCY ADJUSTMENTS FOR SUBWOOFERS 14

SUBSONIC CROSSOVER FREQUENCY ADJUSTMENT FOR SUBWOOFERS 14

ADJUSTMENT OF THE INPUT GAIN CONTROLS 15

PHASE SHIFT CONTROL 15

8. TECHNICAL SPECIFICATIONS 29

9. EMPHASER LIMITED WARRANTY 30

WARRANTY LIMITATIONS 30

10. WARRANTY CARD 32

EM Digital 4/5-CH Manual 2004 26.03.2004 11:39 Uhr Seite 2

INHALT

1. TECHNISCHER AUFBAU / MERKMALE 17

2. ANSCHLÜSSE & BEDIENUNGSELEMENTE 18-21

EINGÄNGE & FUNKTIONEN AM FRONT PANEL 18-19

EINGÄNGE & FUNKTIONEN AM REAR PANEL 20-21

3. PLANUNG DER INSTALLATION 22

MONTAGEORT 22

4. INFO’S ZU DEN KABELQUERSCHNITTEN & QUALITÄT 23

STROMKABEL QUERSCHNITT 23

CINCHKABEL 23

LAUTSPERCHER KABEL 23

MINIMALE LASTIMPEDANZ DER LAUTSPRECHER 23

5. MONTAGE DES VERSTÄRKERS 24

6. VERKABELUNG / ELEKTRISCHER ANSCHLUSS 25

VERLEGEN VON CINCH- UND REMOTE KABELN 25

ANSCHLUSS DER LAUTSPRECHERKABEL 25

VERLEGEN UND ANSCHLUSS DER HAUPT-STROMKABEL 25

7. EINSTELLUNGEN AN DER FREQUENZWEICHE 26

WAHL DES „OPERATING MODES“ DER FREQUENZWEICHE 26

WAHL DER TRENNFREQUENZ FÜR DIE SATELLITENSYSTEME 26

WAHL DER TRENNFREQUENZEN FÜR EIN KICKBASS-SYSTEM 26

LOWPASS EINSTELLUNG FÜR DEN SUBWOOFER 27

SUBSONIC HOCHPASS TRENNFREQUENZ FÜR DEN SUBWOOFER 27

ANPASSUNG DER EINGANGSEMPFINDLICHKEIT 27

EINSTELLUNG DES PHASE SHIFTS 28

8. TECHNICAL SPECIFICATIONS 29

9. EMPHASER GARANTIE-BESTIMMUNGEN 30

GARANTIE-EINSCHRÄNKUNGEN 30

10. GARANTIEKARTE 32

EM Digital 4/5-CH Manual 2004 26.03.2004 11:39 Uhr Seite 3

Congratulations!

And thank you for choosing this EMPHASER car audio amplifier! You now own a product of uncom-

promising engineering, true craftsmanship and unprecedented functionality. To maximize the perfor-

mance of this amplifier and your car audio system install, we recommend that you acquaint yourself

thoroughly with all capabilities and features of this EMPHASER amplifier unit. Please read this manu-

al carefully, before attempting the installation of this amplifier. Please retain this manual and your pur-

chasing / installation receipts for future reference.

IMPORTANT NOTICE:

In case you are installing your EMPHASER amplifier yourself, you should have

your installation checked and approved by an authorized professional

EMPHASER dealer/installer, in order to qualify for full warranty protection and

also, to reach maximum power- and audio performance possible with your

individual car audio system.

EM Digital 4/5-CH Manual 2004 26.03.2004 11:39 Uhr Seite 4

1. DESIGN FEATURES

■DIGITAL CAR AUDIO AMPLIFIER for a cross-over controlled amplification of satellite speaker

systems, kickwoofers and subwoofer systems

■REMOTE LOWPASS LEVEL CONTROL to set the subwoofer volume level from the driver’s seat

■REGULATED MOSFET POWER SUPPLY to sustain very high output power into low impan-

dance loads

■1 OHM LOAD STABILITY to drive speaker systems with very low impedance, sustaining very

high power output levels

■ELECTRONIC CROSSOVER with 12 dB/oct. or 18/24 dB/oct. slope steepness and fully varia-

ble cit-in / cut-off frequencies for highpass, bandpass or subsonic filtering of the individual channels

■2AWG POWER INPUT TERMINALS for direct connection of 35mm2main power wires

■ADVANCED PROTECTION CIRCUITRY to safe-guard the amplifier from short-circuits at the

speaker outputs, DC offset voltage at the outputs and overheating of power electronics

■ADJUSTABLE RCA INPUT SENSITIVITY from 200mV to 6V to provide a good match with the

line-output levels of almost any head-unit

■EXTERNAL FUSES on the input side-panel, equipped with Maxi type fuse holders

EM Digital 4/5-CH Manual 2004 26.03.2004 11:39 Uhr Seite 5

2. CONNECTIONS & CONTROLS

FRONT PANEL CONNECTIONS & CONTROLS

1a/1b RCA INPUTS 1/2-CH

Low-level stereo RCA signal input for connection of channels 1 & 2 to head-unit

2a/2b RCA INPUTS 3/4-CH

Low-level stereo RCA signal input for connection of channels 3 & 4 to head-unit

3a/3b RCA INPUTS 5/6-CH

Low-level stereo RCA signal input for connection of channels 5 & 6 to head-unit

4HIGH PASS FREQUENCY CONTROL 1/2-CH

Control for the highpass frequency adjustment of the electronic crossover driving channels

1 & 2

5OPERATION MODE SWITCH 1/2-CH

Switch to set the operation mode of the electronic crossover driving channels 1 & 2

6LOW PASS FREQUENCY CONTROL 1/2-CH

Control for the lowpass frequency adjustment of the electronic crossover driving channels

1 & 2

7INPUT GAIN CONTROL 1/2-CH

Input level control for 1/2-CH amplifier section - allowing to match the output voltage of the

head-unit’s RCA line-outs to the amplifier input section

8HIGH PASS FREQUENCY CONTROL 3/4-CH

Control for the highpass frequency adjustment of the electronic crossover driving channels

3 & 4

9OPERATION MODE SWITCH 3/4-CH

Switch to set the operation mode of the electronic crossover driving channels 3 & 4

10 LOW PASS FREQUENCY CONTROL 3/4-CH

Control for the lowpass frequency adjustment of the electronic crossover driving channels

3 & 4

11 INPUT GAIN CONTROL 3/4-CH

Input level control for 3/4-CH amplifier section - allowing to match the output voltage of the

head-unit’s RCA line-outs to the amplifier input section

12 POWER LED / PROTECTION LED

Green “operation” LED, signaling correct operation of the amplifier, red LED signalling

faulty speaker connections or general malfunction of the amplifier

13 SUBSONIC HIGH PASS FREQUENCY CONTROL

Control for the subsonic highpass frequency adjustment of the electronic crossover driving the

corresponding channel pair

14 LOW BASE FREQUENCY CONTROL 5-CH

Control for the lowpass frequency adjustment of the electronic crossover driving channels 5

EM Digital 4/5-CH Manual 2004 26.03.2004 11:39 Uhr Seite 6

PHASE SHIFT

MAXMIN 50Hz10Hz40Hz 400Hz0

LEVEL LOW PASS SUBSONIC

POWER

PROTECTION

LINE INPUT

RCH

LINE OUT

LCH

EA 2500D

180

REMOTE

16 7617 1a/1b13 12 2a/2b

1/2CH X-OVER

2CH

1CH 3CH

LINE INPUT

HI PASS

4CH

HI LPFLAT

40Hz 400Hz

HI PASS

LOW PASS LEVEL

400Hz40Hz 40HzMAXMIN

LOW PASS

3/4CH X-OVER LEVEL

40Hz

LPHI

400Hz FLAT MIN MAX400Hz

POWER

PROTECTION

EA4150D

1a/1b 2a/2b 4 8 107911

5 6 12

5CH REMOTE

40Hz

HI PASS

3CH

LINE INPUT

1CH 5CH

4CH2CH 6CH

MAXMIN

400Hz40Hz400Hz40Hz

MIN MAX

400Hz FLATHI

X-OVER 1/2CH LEVEL HI PASS LOW PASS

HI FLAT LP/BP

X-OVER 3/4CH LEVEL

50Hz

SUBSONIC

10Hz MAX

5CH LEVEL

LOW PASS

MIN40Hz 400Hz

PHASE SHIFT

1800

PROTECT

POWER

BAND PASS

EA475-350D

1a/1b 2a/2b 4 9 1181012

3a/3b 5 7

1413 15 16 17

EA2500D

EA4150D

EA475-350D

15 INPUT GAIN CONTROL 5-CH

Input level control for 5-CH amplifier section - allowing to match the output voltage of the

head-unit’s RCA line-outs to the amplifier input section

16 PHASE SHIFT CONTROL

Control for the relative phase adjustment of the subwoofer(s) connected to the amplifier out-

put terminals of the corresponding channel pair

17 REMOTE LOW PASS LEVEL INPUT

Telephone jack port for connection with the dash-mounted low-pass level remote unit

EM Digital 4/5-CH Manual 2004 26.03.2004 11:39 Uhr Seite 7

2. CONNECTIONS & CONTROLS

REAR PANEL CONNECTIONS & CONTROLS

18 FUSES

Two ATC Maxi fuses for protection of the amplifier electronics against overload or wrong

operation / manipulation

19 REMOTE INPUT TERMINAL

Terminal to connect the amplifier to the automatic (remote) turn-on / turn-off lead of the

head unit

20 POWER INPUT TERMINAL „+ 12 V“

Terminal to connect the amplifier to the positive +12V pole of the car battery

21 POWER INPUT TERMINAL „GND“

Terminal to connect the amplifier to the negative or ground pole of the car battery

22 SPEAKER OUTPUT TERMINALS

Output terminal to connect the speakers in stereo or bridged mode to the amplifier

EM Digital 4/5-CH Manual 2004 26.03.2004 11:39 Uhr Seite 8

REAR PANEL CONNECTIONS & CONTROLS

PHASE SHIFT

MAXMIN 50Hz10Hz40Hz 400Hz0

LEVEL LOW PASS SUBSONIC

POWER

PROTECTION

LINE INPUT

RCH

LINE OUT

LCH

EA 2500D

180

REMOTE

16 7617 1a/1b13 12 2a/2b

FUSE

REM +12V GND

POWER INPUT

3CH

+- +

4CH

MONO

2CH-+ 1CH

MONO

SPEAKER OUTPUT

18 2019 21 22

FUSE

POWER INPUT

GND+12VREM 2CH-1CH

MONO

4CH

SPEAKER OUTPUT

-+ 3CH

MONO

5CH +

5CH -

EA2500D

EA4150D

EA475-350D

EM Digital 4/5-CH Manual 2004 26.03.2004 11:39 Uhr Seite 9

PLAN OF ATTACK

Before you proceed to install this EMPHASER amplifier, it is recommended to map out the complete

audio system and the respective wiring required. Consider all additional electrical requirements and

accessories, such as power cables, interconnect cables etc., but also a safe mounting, sufficient venti-

lation and accessability of the fuses and the side panel controls.

Please note that - because of possible interference problems with the existing car electrics and elec-

tronics - especially the routing of the signal cables and the chassis ground connection will have a pro-

found impact on a trouble-free operation of the amplifier.

MOUNTING LOCATION

The mounting location should be carefully selected and in the interest of passive driver and passenger

safety, the amplifier must be securely mounted. Any mounting position – preferably in the trunk com-

partment – that allows sufficient cooling and solid mounting is okay.

Make sure there is no wiring harness, fuel tank etc. behind or below the mounting surface, that may

be damaged by the drilling of the holes for the amplifier mounting screws. After installation, there

should be a clearance of at least 5cm on all sides including the top of the amplifier heatsink. Make

sure the unit is not exposed to direct sunlight, humidity, water, oil or spill of other fluids that may enter

the amplifier.

3. INSTALLATION PLANNING

EM Digital 4/5-CH Manual 2004 26.03.2004 11:39 Uhr Seite 10

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