Autotek AXL1050.4 ユーザーズマニュアル

ページ / 10
AXL1050.4 / AXL1450.4 / AXL4050.4 4 CHANNEL AMPLIFIER APPLICATIONS 
4 CHANNEL FULL RANGE SYSTEM
2 or 3 CHANNEL FULL RANGE SYSTEM
Crossover frequency control checklist:
Here we show how to use the 4 channel amplifiers as straight forward discrete 4 channel 
Channels 1/2:
full range units.
- HI PASS: N/A
- LOW PASS: N/A
Interconnect cable checklist:
- Connect the four inputs of the amplifier to a Radio/CD with quality RCA cables.
Channels 3/4:
- HI PASS: N/A
Switch setting checklist:
- LOW PASS: N/A
- 1/2CH X-OVER:  FULL
- 3/4CH X-OVER:  FULL
Level control checklist:
“Setting up systems after installation for best performance”
MODE:
- Refer to the section 
 4 CHANNEL
Minimum final loudspeaker impedances:
- 2-Ohms per channel.
Crossover frequency control checklist:
Here we show how to use the 4 channel amplifiers as full range 2 or 3 channel units by 
Channels 1/2:
taking advantage of the mono bridging capability of all Autotek amplifiers.
- HI PASS: N/A
The following example shows how to create a 3 channel system by mono bridging 
- LOW PASS: N/A
channel pair 1 / 2. In order to create a 2 channel system, simply follow the example to 
also mono bridge channel pair 3 / 4.
Channels 3/4:
- HI PASS: N/A
Interconnect cable checklist:
- LOW PASS: N/A
- Connect the inputs of channel pair 3 / 4 to a suitable stereo source, e.g. a head unit 
with good quality RCA cables.
TIP: If you are using the mono sub bass output of an active crossover, there is nothing 
- A  MONO signal source is required to bridge channel pair 1 / 2, such as would be 
wrong with switching in  the low pass filter in these amplifiers for a steeper low pass 
available from the mono sub bass output of an active crossover, whether standalone, 
rolloff.
or built into a head unit or equalizer. 
Important: Do not be tempted to connect the hot, or positive outputs, from any source 
Level control checklist:
together to obtain a mono signal, as this could very well damage the output stage of 
- Refer to the section “Setting up systems after installation for best performance”
that source.
- It is necessary to feed the SAME signal to both left and right inputs via a Y-adapter 
Minimum final loudspeaker impedances:
RCA cable.
- 2-Ohms per channel in stereo mode.
- Connect the mono speaker positive terminal to the CH1 +, and its negative terminal 
- 4-Ohms mono bridged.
to CH2 - as shown.
Switch setting checklist:
- 1/2CH X-OVER:
  FULL
- 3/4CH X-OVER:  FULL
MODE: 3 CHANNEL
5
1 MONO
1 STEREO
FULL RANGE
LINE INPUTS
REMOTE TURN-ON
REMOTE TURN-ON
CHASSIS GROUND
CHASSIS GROUND
TO BATTERY + 12 volts VIA FUSE
TO BATTERY + 12 volts VIA FUSE
G
N
D
   
  R
EM
   
 +
12
V
G
N
D
   
  R
EM
   
 +
12
V
FULL RANGE
STEREO LINE INPUTS
M
O
D
E
X
-O
V
E
R
X
-O
V
E
R
2C
H
3C
H
4C
H
F
U
L
L
F
U
L
L
H
P
F
H
P
F
L
P
F
L
P
F
C
H
3
C
H
4
C
H
1
C
H
2
IN
P
U
T
O
U
T
P
U
T
IN
P
U
T
G
N
D
 
C
H
1
G
N
D
 
C
H
2
C
H
3
C
H
4
H
IG
H
  I
N
P
U
T
 B
A
S
S
 E
Q
 
0
d
B
1
2
d
B
6
V
0
.2
V
6
V
0
.2
V
3
0
H
z
2
5
0
H
z
L
P
F
6
0
H
z
1
.2
k
H
z
H
P
F
L
E
V
E
L
C
H
A
N
N
E
L
 1
/2
L
E
V
E
L
 B
A
S
S
 E
Q
 
0
d
B
1
2
d
B
H
P
F
L
P
F
C
H
A
N
N
E
L
 3
/4
6
0
H
z
1
.2
k
H
z
3
0
H
z
2
5
0
H
z
M
O
D
E
X
-O
V
E
R
X
-O
V
E
R
2C
H
3C
H
4C
H
F
U
L
L
F
U
L
L
H
P
F
H
P
F
L
P
F
L
P
F
C
H
3
C
H
4
C
H
1
C
H
2
IN
P
U
T
O
U
T
P
U
T
IN
P
U
T
G
N
D
 
C
H
1
G
N
D
 
C
H
2
C
H
3
C
H
4
H
IG
H
  I
N
P
U
T
 B
A
S
S
 E
Q
 
0
d
B
1
2
d
B
6
V
0
.2
V
6
V
0
.2
V
3
0
H
z
2
5
0
H
z
L
P
F
6
0
H
z
1
.2
k
H
z
H
P
F
L
E
V
E
L
C
H
A
N
N
E
L
 1
/2
L
E
V
E
L
 B
A
S
S
 E
Q
 
0
d
B
1
2
d
B
H
P
F
L
P
F
C
H
A
N
N
E
L
 3
/4
6
0
H
z
1
.2
k
H
z
3
0
H
z
2
5
0
H
z
B
R
ID
G
ED
B
R
ID
G
ED
B
R
ID
G
ED
B
R
ID
G
ED
 - 
   
C
H
   
   
   
   
 - 
   
C
H
  +
 - 
   
C
H
   
   
   
   
 - 
   
C
H
  +
 - 
   
C
H
   
   
   
   
 - 
   
C
H
  +
 - 
   
C
H
   
   
   
   
 - 
   
C
H
  +
FULL RANGE
SPEAKERS
FULL RANGE 
SPEAKERS CH3/4
MONO SPEAKER 
OR SUBWOOFER CH1/2