
5
Any troubles? please check the followings. Your careless mistakes may cause troubles.
Consult with your dealers in case any troubles can not be solved after checking the followings.
ANY TROUBLES?
Trouble
Cause
Remedy
●
Plug in
● Set volume at your required position.
● Connect speaker to speaker terminals.
● Repair wires.
● Repair "short circuit"
● Shut off Power switch and leave it for a while.
And then Power switch “ON”.
● Set volume at your required position.
● Input signal wires in defective or
not connected correctly.
● Re-connect once again.
● Confirm speaker wires connection.
● Each volume is set at minimum position.
● Speaker wires not connected.
● Speaker wires damaged.
● Speaker wires in short circuit.
● Protection circuit is locked.
● Connected equipment volume is set at
minimum.
Not power on
No sound
No sound even music starts,
Nevertheless set volume is up.
No sound from one Channel.
●
Not plunged in
● Speaker wires in no sound channel
is defective.
4 Channel (AK-D1040)
INPUT
THROUGH OUT
A
B
C
D
SENSITIVITY
1
C&D
A&B
B&C
C&D
A&B
2
3
4
5 6
7 8
9 10
SPEAKER
PROFESSIONAL D-CLASS POWER AMPLIFIER
~
220V-240V/50Hz 4000W
MODEL
QR CODE
SERIAL NO.
JAPAN
Made in China
AC220V - 240V/50Hz
AK-D1040
44dB
38dB
32dB
24dB
D
C
B
A
BRIDGE
PIN 2+
=B
PIN 2-
=B
PIN 1+
=A
PIN 1-
=A
PIN 2+
=
PIN 1-
=
BRIDGE
PIN 2+
=D
PIN 2-
=D
PIN 1+
=C
PIN 1-
=C
PIN 2+
=
PIN 1-
=
CONNECTION:
PIN 1+
=B
PIN 1-
=B
PIN 1+
=D
PIN 1-
=D
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK. DO NOT EXPOSE THIS APPLIANCE TO
RAIN OR MOISTURE
WARNING
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION
GND
BRIDGE
PARALLEL
BRIDGE
PARALLEL PARALLEL
Pre Amplifier
B Speaker
A Speaker
※
To be used when connecting to
Power amplifiers in the parallel.
Power amplifier
D Speaker
C Speaker