User Guide

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
L
p
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