EMPHASER EA2500D Instrucciones de instalación
INSTALLATION & OPERATING MANUAL
EINBAU- & BEDIENUNGSANLEITUNG
2-, 4- & 5-CHANNEL DIGITAL AMPLIFIERS
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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
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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
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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.
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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
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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
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PHASE SHIFT
MAXMIN 50Hz10Hz40Hz 400Hz0
LEVEL LOW PASS SUBSONIC
POWER
PROTECTION
LINE INPUT
RCH
RCH
LINE OUT
LCH
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
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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
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REAR PANEL CONNECTIONS & CONTROLS
PHASE SHIFT
MAXMIN 50Hz10Hz40Hz 400Hz0
LEVEL LOW PASS SUBSONIC
POWER
PROTECTION
LINE INPUT
RCH
RCH
LINE OUT
LCH
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
18 2019 21 22
FUSE
POWER INPUT
GND+12VREM 2CH-1CH
+
+
MONO
+
-
-
4CH
SPEAKER OUTPUT
-+ 3CH
+
+
MONO
-
-
5CH +
5CH -
EA2500D
EA4150D
EA475-350D
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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.
10
3. INSTALLATION PLANNING
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