Macrom M1A1000D User Manual
Gain Control Adjust
Input Filter
setting
8
V
0
,2
V
1
V
Input
c
h
1
0
d
B
+
1
5
d
B
2
0
H
z
5
5
H
z
L
p
S
u
b
s
o
n
ic
Output
3
0
H
z
3
0
0
H
z
lo
w
p
a
s
s
le
v
e
l
b
a
s
s
b
o
o
s
t
B
a
s
s
R
e
m
o
te
c
h
2
c
h
1
c
h
2
F
u
ll
F
u
ll
L
p
F
u
ll
L
p
0Hz
330Hz
20Hz 55Hz
M1A.1000D
Input setting
Filter setting
Pre-output setting
8V 0,2V
1V
8V
0,2V
0dB
+15dB
30 300
bass boost
20Hz20Hz
30Hz 300Hz
Lp
20Hz20Hz
330Hz
45Hz
0dB
+15dB
Lp
Full
Full
Lp
Full
Lp
RCA Output
RCA Input
Illustration Guide
For more informations <www.macrom.ch>
20Hz20Hz
330Hz
FULL
20Hz20Hz
30Hz 300Hz
Lp
20Hz20Hz
20kHz
FULL
20Hz20Hz
30Hz 300Hz
Lp
20Hz20Hz
20kHz
FULL
Pre-Output Filter
setting
20Hz
55 Hz
30 300
sub
sonic
Bass Boost Adjust
20Hz20Hz
30Hz 300Hz
30
300
30 300
low pass
Low pass Adjust
Sub sonic Adjust
Lp
Full
Full
Lp
Full
Lp
RCA Output
RCA Input
CLASS D MONO POWER AMPLIFIER
M1A.1000D
Power Terminal
+BATT
-GND
Remote
-
+
+
-
Min 2 ohm Load
Over current s
Thermal stat
Input
ch
1
20Hz
55Hz
L
p
S
u
b
s
o
n
ic
Output
30Hz
300Hz
lo
w
p
a
s
s
B
a
s
s
R
e
m
o
te
ch
2
c
h
1
ch
2
F
u
ll
Lp
EBC setting
Output/Power connection
AMP
Speakers output
+
-
+
-
8 ohm
8 ohm
8 ohm
8 ohm
Four 8 ohm
speakers
OK
Min
Max
+
-
CAR CHASSIS
CAR CHASSIS
- GND
+ Remote
+ Battery
Power connection
Technical Data
IHF max power handling 3000 Watts
RMSPower 4 ohm Stereo load at 14,4 V 475 x 1 watts
RMS Power 2 ohm Stereo load at 14,4 V 900 x 1 watts
Frequency response (+0/-1 dB) Hz 20 - 330
Signal to noise ratio dB > 90
Input sensitivity mV 200 - 4,000
Input impedance Ohm 22.000
Crossover tipe variable
Crossover frequency & filter slop (Low-pass) Hz/dB 30 to 300/18
Subsonic filter Hz/dB 20 to 55/18
Bass Boost 0 to 15 dB @ 45 Hz
Pre-output (By-pass/Low pass/High pass) Bp-Lp
EBS External Bass Control Y
Dimensions (w * h * d) mm 265 x 50 x 385
EBC setting
Illustration Guide
For more informations <www.macrom.ch>
AMP
Speakers output
+
-
+
-
4 ohm
4 ohm
Two 4 ohm
speakers
OK
AMP
Speaker output
+
-
+
-
2 ohm
One 2 ohm
speaker
OK
AMP
Speakers output
+
-
+
-
4 ohm
4 ohm
4 ohm
3 or more
4 omh speakers
NOT OK
IMPEDANCE REQUIREMENT
2 OHM MINIMUM
-
+
+
-
Min 2 ohm Load
Speaker connection
CLASS D MONO POWER AMPLIFIER
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