BIK VM420A, Owner'S Manual, Page: 4 / 8

4
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 cord in
● Set volume at your required position.
● Connect speaker to speaker terminals.
● Repair wires.
● repair "In 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 poor or not connected
correctly.
● Speaker wires in no production channel is
poor.
● 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 turned on
No sound produced
No sound produced even
music starts in "On position".
No sound produced out of
a Channel.
● Not plunged in
Pre Amplifier
C Speaker A Speaker
B Speaker D Speaker
Max output power
A, B (8 Ohms)
A, B (4 Ohms)
C, D (8 Ohms)
C, D (4 Ohms)
Total Harmonic Distortion
Speaker Impedance
Input Sensitivity
Frequency response
Power Voltage
Power consumption
Dimensions
(W X H X D)
Weight
Accessories
●
Design and specifications subject to change without notice.
SPECIFICATIONS
Owner's manual
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
FUSE
250V 20A
AC 220V-240V
/50Hz
JAPAN
A
B
INPUT
SPEAKER OUTPUT
ALONE LINK
SPEAKER OUTPUT
INPUT
CH-A
CH-B
C
D
INPUT
SPEAKER OUTPUT
ALONE LINK
SPEAKER OUTPUT
INPUT
CH-C
CH-D
VM620A
483 mm ( W ) x 88 mm ( H ) x 440 mm ( D )
600 W + 600 W
900 W + 900 W
0.15 % (max)
4 - 16 Ohms
0.77V / 1.4 V
20Hz - 20kHz
220 V - 240 V
1300 W
15.5 Kg
4 Channel (VM640A, VM840A)
800 W + 800 W
1200 W + 1200W
800 W + 800 W
1200 W + 1200W
0.15 % (max)
4 - 16 Ohms
1 V
20Hz - 20kHz
220 V - 240 V
3200 W
21.5 Kg
600 W + 600 W
900 W + 900 W
600 W + 600 W
900 W + 900 W
0.15 % (max)
4 - 16 Ohms
1 V
20Hz - 20kHz
220 V - 240 V
2800 W
19.5 Kg
800 W + 800 W
1200 W + 1200W
0.15 % (max)
4 - 16
Ohms
0.77V / 1.4 V
20Hz - 20kHz
220 V - 240 V
2800 W
17.8 Kg
VM820A VM640A VM840A VM420A
400 W + 400 W
600 W + 600 W
0.15 % (max)
4 - 16 Ohms
0.77V / 1.4 V
20Hz - 20kHz
220 V - 240 V
1000 W
14.5 Kg
483 mm ( W ) x 88 mm ( H ) x 500 mm ( D )