High-Performance
Car- amplifier
owner‘s manual
m 75.4.
M 130.2
R 100.4.
R 190.2
designed and engineered by audio system Germany
Congratulations on your purchase of your new
rseries / mseries amplifeier
Before installation your power amplifier, we recommend to read the
manual's owner carefully and to follow the instructions regarding connection and
fitting exactly.
We advice to accomplish the installation by an authorized service center, because
a professional fitting and connection is the requirement for further warranty
adjustments.
R+M
features
R 190.2 / m 130.2
2-Channel High Power Class-AB amplifier with SMD technology
MOS-FET Power Supply
Stable into 2 ohm stereo per channel and 4 ohm bridged mode
Variable switchable Low Pass Filter from 50 to 300 Hz
Variable switchable High Pass Filter from 25 to 175 Hz
Variable switchable Band Pass Filter from 25 to 175 Hz and from 50 to 300 Hz (LPF)
FSA Front Stage adjuster for analog phase correction for the left front channel
High-Level-Input with automatically „TURN ON“
Input Sensitivity: variable 200 mV maximum to 8 V minimum
Multi-Way Protection Circuitry: overhead, over current, short circuitry and speaker DC protection
Operating Voltage: DC 10 ~ 16 V Power Input
Massive heavy aluminum-heatsink with fan cooling on top
Wired Remote Controller RTC (Optional)
r 100.4 / m 75.4
4-Channel High Power Class-AB amplifier with SMD technology
MOS-FET Power Supply
Stable into 2 ohm stereo per channel and 4 ohm bridged mode
Variable switchable Low Pass Filter from 50 to 300 Hz
Variable switchable High Pass Filter from 25 to 175 Hz
Variable switchable Band Pass Filter from 25 to 175 Hz and from 50 to 300 Hz (LPF)
FSA Front Stage adjuster for analog phase correction for the left front channel
High-Level-Input with automatically „TURN ON“
2CH / 4CH input mode selectable button
Input Sensitivity: variable 200 mV maximum to 8 V minimum
Multi-Way Protection Circuitry: overhead, over current, short circuitry and speaker DC protection
Operating Voltage: DC 10 ~ 16 V Power Input
Massive heavy aluminum-heatsink with fan cooling on top
Wired Remote Controller RTC (Optional)
-2-
Power connection
R+M
r 100.4 / R 190.2 / m 75.4 / m 130.2
1. Battery disconnection
GND
REM
+12V
First, disconnect the power supply of the
vehicle by removing the ground cable of
the battery.
2. Ground connection
Connect the GND (ground) connection
of the amplifier with the car chassis.
Keep this cable as short as possible (not
longer than 50 cm) and use a suitable
cross section (AWG size 7-5).
Make sure, that the connection with the
vehicle chassis is free of paint, dirt and
dust.
3. +12 V Power connection
Connect the +12 V contact of the amplifier with the supply cable via a fuse directly to the vehicle
battery. Keep in mind, that the length of the cable from fuseholder to vehicle battery has to be
maximum 30cm. For the amplifier to function at its best, use a high quality fuse holder and suitable
cable preferably AWG 7-5 cable. This fuse protects the amplifier and the vehicle against the possibility
of a short circuit in the power cable.
4. Remote connection
Connect the REM-terminal of the amplifier to the remote-output (automatic 12 V antenna-output) of
the head unit. Use a 0,5 - 1,5 mm power cable.
5. HI/LOW selectable button
If the radio (normally original radio) has noh RCA output and remote output (automatic 12 V antenna
output) it is possible to connect the speaker output from headunit direct in RCA input. The HI/LOW
button must be switched to „HI“ (picture on page 4). If the X SERIES amplifier get a signal from
head unit output, the amplifier will turn on.
Caution
Please take the following precautions when installing your amplifier:
a) Take extra care when making the connections. Make sure that no electrical cable, gas tank,
hydraulic brakes or other components get damaged.
b) Allow enough cooling and air circulation and avoid installing the unit in small closed boxes
or close to parts that heats up easily.
c) Keep the amplifier away from liquid, moisture, heat and foreign materials.
d) This amplifier can only be used in vehicles with 12V DC power supply.
e) Never install the power supply cable with other original vehicle wires (gas cables), fan motors,
control modules etc.
f) Install the signal cable (cinch cable) as well as speaker cable far away from the power cables
to avoid interference with music signals.
g) To avoid dangers of cables binding, squeezing or breaking, use the cables supplied with
your amplifier.
-3 -
R+M
R 190.2 / m 130.2
RCA con n ection
+ BRIDGE -
CH1/L CH2/R
Power
Protection
Wired Remote
Control RTC
(optional)
r 100.4 / m 75.4
+ BRIDGE -
CH1/L CH2/R
Wired Remote
Control RTC
(optional)
+ BRIDGE -
CH3/L
REMOTE
LPF
ON
OFF
LPF
Switch
on/off
HERTZ
90 225
50 300
ON
OFF
HPF
Switch
on/off
HPF
FSA
CH1/L
HERTZ
40 120
175
MAX
25
MIN
FSA
volume
FSA on/off
button
selectable button
GAIN
ON
8V 0.2V
OFF
GAIN
HI / LOW
CH1/L
INPUT
CH1/L
CH2/R
CH2/R
OUTPUT
HI
LOW
to INPUT of ADDITIONAL
AMPLIFIERS
HEAD UNIT
RCA INPUT
CH4/R
Power
Protection
REMOTE
LPF
Switch
on/off
ON
OFF
ON
OFF
LPF
HERTZ
9090225
5050300
HERTZ
LPF
Switch
Channel 1 / 2
HPF
ON
OFF
ON
225
300
OFF
HPF
Channel 3 / 4
HPF
on/off
FSA
volume
FSA on/off
button
40
40
2525175
HERTZ
120
HERTZ
120
175
FSA
CH1/L
GAIN
8V8V0.2V
MAX
MIN
GAIN
ON
OFF
HI / LOW
selectable
button
HI
LOW
2CH
0.2V
4CH
INPUT
MODE
CH3/L
CH1/L
CH2/R
CH4/R
INPUTINPUT
RCA INPUT
Mode
2 CH / 4 CH
HEAD UNIT
The R/M series amplifier offers RCA-Inputs, which are connected through cinch cables with the
preamplifier-outputs of the head unit. The RCA-outputs provide the possibility to transfer the signal of
the head unit to a 2. amplifier via a cinch cable (only r 190.2 und m 130.2).
With the aid of the variable high- and lowpassfilter and the gain-controller you are able to adjust the
amplifier on to your prefered taste of hearing, the circumstances of the vehicle and to the speakers.
Another special feature is the FSA (Front Stage Adjuster). Ths is a analog phase correction for the left
front channel. By adjusting the FSA volume you can set the sound and voices in front of you.
In this regard, AUDIO SYSTEM Germany recommends to adjust your amplifier through a
specialized service center, dealer or a specialist.
Optional the can be installed to a wire remote
r 100.4 / R 190.2 / m 75.4 / m 130.2
controller RTC, which allows you to rule the amplifier in front of the car (only if the LPF is switched
„ON“).
-4 -
R 190.2 / m 130.2
1-Channel Bridged
spe a ker conn e ction
R+M
+ BRIDGE -
CH1/L CH2/R
2-Channel Stereo
+ BRIDGE -
CH1/L CH2/R
Protection
Protection
REMOTE
Power
ON
OFF
LPF
HERTZ
90 225
50 300
Speaker
Impedance
4 ~ 8 ohm
REMOTE
Power
ON
OFF
LPF
HERTZ
90 225
50 300
Speaker
Impedance
2 ~ 8 ohm
Tri-Mode
+ BRIDGE -
CH1/L CH2/R
Protection
Coil
REMOTE
Power
ON
OFF
LPF
HERTZ
90 225
50 300
Speaker
Impedance
4 ~ 8 ohm
-5 -
R+M
r 100.4 / m 75.4
spe a ker conn e ction
2-Channel Bridged
+ BRIDGE -
CH1/L CH2/R
4-Channel Stereo
+ BRIDGE -
CH1/L CH2/R
CH3/4-MONO
SUBWOOFER
+ BRIDGE -
CH3/L
CH4/R
Power
Protection
REMOTE
ON
OFF
ON
OFF
LPF
HERTZ
9090225
5050300
HERTZ
LPF
300
225
Channel 1 / 2
HPF
ON
40
OFF
ON
40
OFF
HPF
Channel 3 / 4
HERTZ
2525175
HERTZ
120
120
175
Speaker-
Impedance
4 ~ 8 ohm
CH1/2-MONO
SUBWOOFER
CH4
+ BRIDGE -
CH3/L
CH4/R
Power
Protection
REMOTE
ON
OFF
ON
OFF
LPF
HERTZ
9090225
5050300
HERTZ
LPF
300
225
Channel 1 / 2
HPF
ON
40
OFF
ON
40
OFF
HPF
Channel 3 / 4
HERTZ
2525175
HERTZ
120
120
175
CH3
Speaker-
Impedance
2 ~ 8 ohm
CH1
2-Channel Stereo + 1-Channel Mono Bridged
+ BRIDGE -
CH1/L CH2/R
+ BRIDGE -
CH3/L
CH4/R
Power
Protection
REMOTE
ON
OFF
ON
OFF
LPF
HERTZ
9090225
5050300
HERTZ
LPF
225
300
Channel 1 / 2
ON
OFF
ON
OFF
Channel 3 / 4
-6 -
CH2
CH3/4-MONO
SUBWOOFER
HPF
HERTZ
120
40
2525175
HERTZ
120
40
175
HPF
CH1
Speaker-
Impedance
4 ~ 8 ohm
CH2
trouble shooting
This power amplifier is featured with a efficient protection system to prevent any damages like
over-heating, overvoltage, short-circuit and DC at the loudspeaker output.
Occuring an error the protection-LED will light in red.
In order to check the problem, first turn down all levels of the head unit, afterwards turn it off.
R+M
AMPLIFIER IS NOT
POWERED UP, NO LED
IS LIGHTENING
PROTECTION LED
ILLUMINATES GREEN
WHILE AMPLIFIER IS
SOUNDLESS
PROTECTION LED
ILLUMINATES RED
WHEN AMPLIFIER IS
POWERED UP
OVERHEATING
(PROTECTION LED
ILLUMINATES RED WHEN
AMPLIFIER IS POWERED UP)
ERROR IN AMPLIFIER
FUSE
SOUND TOO LOW OR
LOW-DISTORTED SOUND
HIGH HISS-ENGINE NOISE
IN SPEAKERS
- ground connection professional connected?
- +12V powercable professional connected?
- remote cable professional connected?
- fuses inserted and alright?
- analyze voltage on the amplifier.
- cinch cable alright and professional connected?
- loudspeaker professional connected?
- head unit all right?
- amplifier too hot?
- short-circuit at the loudspeaker output?
- short-circuit caused by loudspeaker cable with vehicle
chassis (ground)?
- input voltage too high (e.g.faulty lighting dynamo)?
- impedance alright?
- loudspeaker error?
- adequate airflow of the amplifier?
! CAUTION !
After cooling down, the amplifier turns on automatically.
- ground professional connected?
- loudspeaker impedance alright?
! CAUTION !
Make sure when changing fuses to use the same value
- input level control “GAIN” is set to match the head unit?
- output level control of the head unit alright?
- loudspeaker error?
- loudspeaker cable checked?
- crossover frequencies has been properly set?
(Check head unit, amplilfier, DSP, soundprozessor,
equalizer, frequency bandpassfilter...)
- ground connection professional connected?
- short-circuit caused by loudspeaker cable with vehicle
chassi (ground)?
- cinchcable (RCA) and/or loudspeaker cabel installed too
close to the power connection cable?
- cinch ground (RCA) of the head unit alright?
CAUTION
Please contact your specialist dealer if the amplifier is still not working after it has been
For warranty adjustement / repairs the original invoice has to be attached!
Opening the power amplifier is leading to a lost of warranty in either case!
checked with the error list!
-7-
R+M
specifications
2-Channel Amplifier
4-Channel Amplifier
R 190.2
10 -16 V
2x 190 W
2x 280 W
1x 560 W
>90 dB
50 Hz ~ 300 Hz
25 Hz ~ 175 Hz
10 Hz ~ 60 KHz (+/-1dB)
< 0.034%
75 dB
3x 20 A
200 mV ~ 8V (+/- 5%)
360(W)x 58(H)x 185(L)mm
r 100.4
10 -16 V
4x 100 W
4x 180 W
2x 360 W
>90 dB
50 Hz ~ 300 Hz
25 Hz ~ 175 Hz
10 Hz ~ 60 KHz (+/-1dB)
< 0.035%
75 dB
3x 25 A
200 mV ~ 8V (+/- 5%)
360(W)x 58(H)x 185(L)mm
m 130.2
10 -16 V
2x 130 W
2x 210 W
1x 420 W
>90 dB
50 Hz ~ 300 Hz
25 Hz ~ 175 Hz
10 Hz ~ 60 KHz (+/-1dB)
< 0.037%
75 dB
2x 25 A
200 mV ~ 8V (+/- 5%)
330(W)x 58(H)x 185(L)mm
m 75.4
10 -16 V
4x 75 W
2x 140 W
2x 280 W
>90 dB
50 Hz ~ 300 Hz
25 Hz ~ 175 Hz
10 Hz ~ 60 KHz (+/-1dB)
< 0.039%
75 dB
2x 30 A
200 mV ~ 8V (+/- 5%)
330(W)x 58(H)x 185(L)mm
-8 -
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