Sound Magus PK1000.1M, Owner'S Manual

Page: 10 / 24

9
10
Symptom Possible Re medy
Amplifie r
will not
power up
C heck to make s ure you have a good ground connection.
C heck that there is battery pow er on the (+)term inal .
C heck all fuses , replace if necess ary .
Make s ure that the Protection LED is not illuminated.
Prote ction
LED Come s on
C heck for short circuits on s peaker leads .
C heck the s peaker load not beyond the m inim um load.
R em ove s peaker lead, and reset the amplifier. If the protection LED s till
C om es on, then the amplifier is faulty and needs s ervicing .
No output
C heck that the R C A audio cables are plugged into the proper inputs .
C heck all speakers w iring.
C heck the headunit output and the amplifier level setting.
Low output
R es et the level C ontrol.
C heck the C rossover C ontrol s ettings .
High hiss in
The spe akers
C heck the R C A cable is not s horted to pow er ground at am plifier s ide.
C heck the am plifier grounding.
Distorted
sound
C heck that the Input level control is s et to m atch the s ignal level of the head unit.
Alw ays tr y to s et the Input level as low as possible.
C heck that all crossover frequencies are properly s et.
C heck for short circuits on the s peaker leads .
Amplifie r ge ts
Ve ry hot
C heck that the minimum load im pedance for the am plifier m odel is correct.
C heck that there is good air circulation around the am plifier. In s om e applications ,
It m ay be necessary to add an external cooling fan.
TROUBLE SHOOTING
SPECIFICATIONS
238 Length
(
mm
)
Model PK600
.
1M
1Ohm Load 1000W x 1
2Ohm Load 600W x 1
4Ohm Load 400W x 1
Bridged 4Ohm Load
Input Level
0
.
2 5V ~
Frequency Res
p
onse
15Hz 220Hz ~
LPF
40Hz 220Hz ~
Subsonic
/
HPF OFF 50Hz ~
Bass Boost Level
50Hz
0dB/6dB/12dB
Intelligent Power
S
/
N Ratio
>70dB
(
1W
)
Minimum Load
Voltage
R
ange
8
.
3V 16V ~
Components
&
PCB
Height
(
mm
)
Width
(
mm
)
RMS Power at 14
.
4V
(
THD < 1
% )
Features
0
.
2 5V ~
15Hz 220Hz ~
40Hz 220Hz ~
OFF 50Hz ~
DIMENSION
>70dB
(
1W
)
8
.
3V 16V ~
1 Ohm
30Hz 90Hz ~
0dB 12dB ~
PK1000
.
1M
650W x 1
400W x 1
355
LPF/Subsonic
X
-
over Type
Bass Boost Frequency
N
/
A
Management System
Bass Remote YES YES
YES
2 Ohm
N/A N/A
N/A
LPF / Subsonic
PK700.4M
275
8
.
3V 16V ~
N/A
20~20KHz
PK1400.4M
300W x 4
400W x 4
800W x 2
345
N/A
50~750Hz
10~200Hz
30Hz 90Hz ~
0dB 12dB ~
N/A
>70dB
(
1W
)
LPF / HPF
20~20KHz
LPF/FULL/ HPF
50~750Hz
50~750Hz
N/A
N/A
>70dB
(
1W
)
170W x 4
100W x 4
360W x 2
N/A
N/A
SPK IN:0
.
4 10V ~
PRE IN:0.2 5V ~
2 Ohm
SMD Parts / Double side FR-4 PCB
150
56