6
Basic application
Crossover frequency control checklist:
These sub bass amplifiers can be used in any of the bi-amplification systems described in
LOW PASS: 80Hz (approximately 11 o’clock)
this manual, replacing the 2 channel amplifiers as per the illustrations.
SUBSONIC:35Hz (approximately 1 o’clock)
BASS EQ: 12 o’clock max
Interconnect cable checklist:
Connect the inputs to a suitable source, e.g. a head unit with good quality RCA cables.
Connect the LINE OUT to the inputs of the system highs amplifier.
Level control checklist:
Refer to the section
“Setting up systems after installation for best performance”
Use at least #12 gauge speaker wiring. The amps have dual speaker terminals,
simplifying the hookup of multiple speakers.
These are 1 channel amplifiers
.
Minimum final loudspeaker impedance:
AXL1550.1: 2-Ohms
AXL2550.1: 1-Ohm
FULL RANGE
STEREO LINE INPUT
NOT USED
Y-ADAPTOR
Note: You can use the Radio/CD designated mono line output or a full range stereo line output.
For full range stereo line output, you will need an optional “Y-Adaptor” as shown.
AXL1550.1 / AXL2550.1 1 CHANNEL AMPLIFIER APPLICATION
PARALLEL MONO
SUBWOOFERS
2-
OHMS EACH MINIMUM
MONO
SUBWOOFER
P
O
W
E
R
S
P
E
A
K
E
R
F
U
S
E
G
N
D
R
E
M
+
12
V
-
-
+
+
REMOTE TURN-ON
CHASSIS GROUND
TO B 12 Volts VIA FUSE
P
O
W
E
R
S
P
E
A
K
E
R
F
U
S
E
G
N
D
R
E
M
+
12
V
-
-
+
+
4
0
H
z
1
5
0
H
z
L
O
W
P
A
S
S
L
E
V
E
L
6
V
0
.2
V
B
A
S
S
E
Q
0
d
B
1
2
d
B
C
O
N
T
R
O
L
R
E
M
O
T
E
1
5
H
z
5
5
H
z
S
U
B
S
O
N
IC
L
R
L
R
O
U
T
P
U
T
IN
P
U
T
MONO LINE INPUT
VIA Y-ADAPTER
FROM MONO SOURCE
P
O
W
E
R
P
R
O
T
E
C
T
Summary of Contents for AXL1050.2
Page 9: ...7 Yes...
Page 10: ...PART A1112...
