MB QUART REF4.50 - Manual (Page 8)

Linking Mono Amplifiers
REF1.800
7
P
O
W
E
R
IN
P U
T
P
O
W
E
R
IN
P
U
T
G
N
D
R
E
M
B
A T
T +
12
V
G
N
D
R
E
M
B
A
T
T + 12
V
S
P
E A
K
E R
O
U
T P
U
T
S P
E
A
K
E
R
O
U
T
P
U
T
-
-
+
+
-
-
+
+
F
U
S
E
F U
S
E
MONO
SUBWOOFER
P
O
W
E
R
P
R
O
T
E
C
T
P
O
W
E
R
P
R
O
T
E
C
T
DESIGNATED
MONO OUTPUT
FROM HEAD UNIT
S
in
g
le
R
C
A
fr
o
m
M
as
te
r O
u
tp
u
t
o
n
M
as
te
r A
m
p
lif
ie
r t
o
S
la
ve
In
p
u
t o
n
S
la
ve
a
m
p
lif
ie
r
IN
P U
T
IN
P
U
T
R
R
M
as
te
r
M
as
te
r
S
la
ve
S la
ve
O
u t
O
u
t
In
In
L
L
5
V
0 .2
V
LE
V
E L
5
V
0
.2
V
LE
V
EL
1
5
H
z
5
5
H
z
SU
B SO
N
IC
1
5
H
z
5
5
H
z
SU
B
SO
N
IC
R
E M
O
TE
R
E
M
O
TE
4
0
H
z
1
5
0
H
z
LO
W
P
A
SS
4
0
H
z
1
5
0
H
z
LO
W
P
A
SS
0
d
B
1
2
d
B
B A
SS
B O
O
ST
0
d
B
1 2
d
B
B
A
SS
B
O
O
ST
M
O
D
E
M
O
D
E
S la ve In
S la
ve In
M as
te
r
O u t
M
as
te r
O u t
MBQR-2
MIN MAXX
DUAL AMP INSTALLATION PROCEDURE: 5. Route two 4 gauge power cables directly to the vehicle battery with an in-line fuse.
1. Connect the amp LINE INPUTS to the Radio/CD player full range or mono line out 6. Connect two 4 gauge ground cables directly to the chassis with in 36” of the amp.
puts with good quality RCA interconnect cables. - Be sure to remove any paint or primer from the ground point.
2. Plug the MBQR-2 level remote module into the amp REMOTE INPUT jack on the - Use a nut, bolt and lock washer to secure the ground cable to the chassis ground.
Master amp. This will allow the Master amp to control both Master and Slave amps 7. Connect the subwoofer(s) in accordance to the diagrams below.
with just one Remote. 8. Connect a 12 gauge jumper from Master amp speaker - to Slave amp speaker - as
3. Connect an RCA jumper cable from the Master amp MASTER OUTPUT to the shown below.
Slave amp SLAVE INPUT. Note: This will “link” the amps so that the Master amp
crossover switches will control both the Master and Slave amps. The Slave amp
Please understand that each amplifier is stable to 1 Ohm, but when IMPORTANT:
crossover switches will be bypassed. linking a pair as indicated below you can not link below 2 Ohms. You can successfully
run one DVC 4 Ohm sub, two SVC 4 Ohm subs or two DVC 2 Ohm subs to get your 2
4. Make sure that the MASTER amps’ MODE switch is in the Master Out position. Next
Ohm final load. you need to make sure that the SLAVE amps’ MODE switch is in the Slave In position.
IN
OUT
IN
OUT
MODE
Slave
In
Master
Out
MODE
Slave
In
Master
Out