3G Audio AK-3120 User manual

AK SERIES
CHINESE
AK-3120
ED-3G-MA-060911-002
AK-3200
AK-3300
OWNER'S MANUAL

Thank you for purchasing our products. Please read this manual carefully for
your correct operation of this equipment, and keep this manual for future
reference.
For your safety please don't open the rack to avoid electric shock due to high
voltage inside. Consult professionals for maintenance help.
Keep the instrument off rain or humidity.
This instrument must work in places with good air flow.
Please check whether local voltage supply can meet the requirement of this
instrument.
Please pull out the plug when this instrument is not in use for a long time.
Load must be configured following this manual. Don't let the instrument work
overloaded for a long time.
Please make sure the local power supply is similar to what this appliance
requires ( ~220V/50HZ),and carefully check there is no any damage for
outlet and wire prior to operating the appliance.
PRECAUTIONS

1
10
11
11
9
9
2
3
7
2
8
4
5
6
CONTENT
Power supply for this appliance
Features
Signal connector
The front panel (AK3120)
Operation (AK3120)
The front panel (AK3200,AK3300)
Operation(AK3200,AK3300)
The back panel
Controller (AK3200,AK3300)
Prior to Installation
System Connection
Safety Instruction
Specification
Maintenance
Introduction
Installation
Attention

220V 220V
CAUTION
THE POWER
SUPPLY CORD
SHOULD BE
DISCONNECTED
BEFORE
CHANGING
THE VOLTAGE
SELECTOR
110V
1
AK3120: AK3200/AK3300:
POWER SUPPLY
Please carefully check whether the local power supply meets what this appliance requires.
How to select the right power supply
You'd better carefully check whether the local power supply meets what this appliance
requires prior to operating. You can adjust the switch on the back panel of this appliance
to switch the power supply to 110Vor 220V based on your local power supply. And you are
advised that you must unplug before adjusting the switch for power supply selecting.
ACCESSORIES
User Manual----------------------1 Piece
Warranty --------------------------1 Piece
Certification ----------------------1 Piece
User Manual--------------------1 Piece
Warranty ------------------------1 Piece
Certification --------------------1 Piece
Remote controller -------------1 Piece
Battery --------------------------2 Piece
Please make sure the following is attached prior to unpacking.

2
INTRODUCTION
You'd better read the instructions prior to operating the appliance. And please keep
it as a reference in the future.
FEATURES
Refraining the whistle
Automatic selection for signal sources
Available for KTV Room
Available for connecting 3 groups speaker simultaneously
Built-in vocal embellishment circuit ,make the sound rich & natural
Built-in strong refrigerant fan for ventilation to meet for a long period of time working.
SIGNAL CORD
Male RCAconnector (Red) to match Female RCA ( Red)
Male RCAconnector (White) to match Female RCA (White)
Red
White

AK3120
C R/L
MIC VOL
AK3120
3
FUNCTION INSTRUCTIONS (THE FRONT PANEL)
1.Echo control
Controlling echo of microphone input
2.Microphone output level control
Adjusting volume of all microphone connected
3.Hidden microphone volume control
4.Music volume control
Adjusting volume of the
music volume
5.Power switch
6.Microphone delay control
Delay is increased when moved clockwise
7.Microphone echo repeat degree control
8.Microphone repeat feedback control
9.Microphone bass control
10.Microphone treble control
11.Microphone input jacks
12.External tone control jack
13.Microphone volume control
14.Balance control
15.Music bass control
Music bass increase when clockwise
16.Music treble control
17.Hidden mic & music
mixing ratio control
FUNCTION INSTRUCTIONS

4
1.Push down power switch 5 to connect power supply
2.Insert microphone to microphone jack 11 and adjust the microphone volume, to get
correct microphone volume by adjusting 13 .
3.Adjusting vocal sound:
High frequency if you want to increase high frequency, please turn the high frequency
control( TREBLE 10 ) by clockwise, and un-clockwise is reduce. No howling is suggested
and preferred.
Low frequency if you want to increase low frequency, please turn the low frequency
control( TREBLE 9 ) by clockwise, and anticlockwise is reduce. No howling is suggested
and preferred.
4.Total microphone volume control:
Before the total microphone volume control 2 adjusting, please move this control between
1822, then you can operation on 2-3 step.
5.Add ECHO effect of microphone:
First turn the microphone volume control to middle position, then speaker to the microphone
while you are adjusting the delay 6 and repeat control 7 , and increase effect 8 until you
get your ideal performance result
6.Adjusting music volume:
Make sure that the music volume should be at minimum position before power on, then in
crease step by step to get your ideal performance result.
7.Adjusting music sound quality:
Treble adjusting (TREBLE)
You can turn the TREBLE 16 by clockwise to increase treble high frequency, anticlockwise
is for reducing treble
Bass adjusting (BASS)
You can increase the BASS 15 by clockwise to increase the low frequency, anticlockwise
is for reducing bass.
8.Attention when using microphone:
When howling, please do not make the microphone and speaker not closed and near. Or
you can low down microphone volume to cancel the howling. The microphone and mouth
should keep certain distance and angel to ensure sound clear and pure.
The microphone switch should be power off when not using microphone, also please
pull out the microphone from the microphone jack(s).
9.Microphone signal / left right channel signal ration adjusting
If you want the left and right channel should have microphone signal, please adjust 17 by
clockwise, then the left and right channel signal will increase. Anticlockwise is for signal
low down.
10.Howling Restraining:
A.To locate microphone volume control between 8-10 before inserting microphone
B.While adjusting microphone volume control, adjusting the music volume till you can
get the balance between vocal singing and accompaniment music.
C.After above operation, if the microphone volume is not enough, then adjust each channel
microphone volume hidden button.
AK3120 OPERATION GUIDE

BGM AUX1 MUTI
ATS IN
KEY CONTROL
b1
b2
b3
b4
#1 #2 #3 #4
AUX2
16 BIT DIGITAL KEY CONTROLLER
STEREO MIXING KARAOKE AMPLIFIER MODEL: AK3200
KEY MUTI MIC MASTER VOL MUSIC VOL
EFF VOL
ATSIN MIN MAX
2
4
6
8
10
12
14
16 18 22 24
26
28
30
32
34
36
38
2
4
6
8
10
12
14
16 18 22 24
26
28
30
32
34
36
38
C R/LMIC VOL
AK3200/AK3300
5
1.Echo control
Controlling echo of microphone input
2.Microphone output level control
Adjusting volume of all microphone connected
3.Hidden microphone volume
control
4.Music volume control
Adjusting volume of the
music volume
5.Power switch
6.Microphone delay control
Delay is increased when moved clockwise
7.Microphone echo repeat degree
control
8.Microphone repeat feedback
control
9.Microphone bass control
10.Microphone treble control
11.Microphone input jacks
12.External tone control jack
13.Microphone volume
control
14.Balance control
15.Music bass control
Music bass increase when
clockwise
16.Music treble control
17.Auto sing button
18.Singing clear up
19.Pitch control button
20.Microphone signal vs
channel signal ration
control
FUNCTION INSTRUCTIONS (FRONT PANEL)
FUNCTION INSTRUCTIONS
Take AK3200 as a sample.

2.Insert microphone to microphone jack 11 and adjust the microphone volume, to get
correct microphone volume by adjusting 13 .
3.Adjusting vocal sound:
High frequency if you want to increase high frequency, please turn the high frequency
control( TREBLE 10 ) by clockwise, and un-clockwise is reduce. No howling is suggested
and preferred.
Low frequency if you want to increase low frequency, please turn the low frequency
control( TREBLE 9 ) by clockwise, and anticlockwise is reduce. No howling is suggested
and preferred.
4.Total microphone volume control:
Before the total microphone volume control 2 adjusting, please move this control between
1822, then you can operation on 2-3 step.
5.Add ECHO effect of microphone:
First turn the microphone volume control to middle position, then speaker to the microphone
while you are adjusting the delay 6 and repeat control 7 , and increase effect 8 until you
get your ideal performance result
6.Adjusting music volume:
Make sure that the music volume should be at minimum position before power on, then in
crease step by step to get your ideal performance result.
7.Adjusting music sound quality:
Treble adjusting (TREBLE)
You can turn the TREBLE 16 by clockwise to increase treble high frequency, anticlockwise
is for reducing treble
Bass adjusting (BASS)
You can increase the BASS 15 by clockwise to increase the low frequency, anticlockwise
is for reducing bass.
8.Tune function operation:
When your vocal singing tune is not accordant with the music, you can push the tune key 19,
to make music tune is accordant with your vocal tune.
9.Microphone signal / left right channel signal ration adjusting
If you want the left and right channel should have microphone signal, please adjust 17 by
clockwise, then the left and right channel signal will increase. Anticlockwise is for signal
low down.
10.Attention when using microphone:
When howling, please do not make the microphone and speaker not closed and near. Or
you can low down microphone volume to cancel the howling. The microphone and mouth
should keep certain distance and angel to ensure sound clear and pure.
The microphone switch should be power off when not using microphone, also please
pull out the microphone from the microphone jack(s).
11.Howling Restraining:
A.To locate microphone volume control between 8-10 before inserting microphone
B.While adjusting microphone volume control, adjusting the music volume till you can
get the balance between vocal singing and accompaniment music.
C.After above operation, if the microphone volume is not enough, then adjust each channel
microphone volume hidden button.
6
1.Push down power switch 5 to connect power supply
AK3200/AK3300 OPERATION GUIDE

7
CAUTION
!
~110/220V
50/60Hz
REAR PANEL
THE REAR PANEL CONFIGURATION AND THE FUNCTION
1.central channel speaker output
2.Parallel MIC socket for MIC 1&MIC 2
3.remote control system/line control input S terminal
4.cooling fan
5.fuse hold 6.power cord
7.220V power supply socket
with switch control
8.110V.220V voltage
input selector
9.220V power
output socket
10.Left channel speaker output
11.right channel speaker output
12.level control of record output
13.video output socket
14.Mixing record output socket
15. video input socket(BGM,AUX1,AUX2)
16. Audio input socket(BGM,AUX1,AUX2)
17. Sensitivity adjustor of BGM in priority
18.line output socket

DOWN UP
KEY CHANGE
ECHO MIC
VOLUME
MUSIC
4
3
2
1
4
3
2
1
AK3200/AK3300
AK3200/AK3300
AK3200/AK3300
8
REMOTE CONTROLLER
REMOTE CONTROLLER
BATTERY INSTALLATION
THE NAME OF BUTTON AND FUNCTION
This unit can be controlled by the attached wireless remote controller, you can control
the unit at your seat, it very convenient.
The name of button is same as the units', please refer to the introduction of units' to
learn the function.
1.open the cover following the arrowhead
2.install the batteries(AA, R6,UM-3), following
the diagram.
3.close the cover
1.music pitch down selector,
single choosing
2.effect level up button,
continuous change when
pressing long term.
3.MIC level up button,
continuous change when
pressing long term
4.effect level down button
5.reset button of music pitch
6.music pitch up selector,
single choosing
7.Music level up, continuous
change when pressing long
term.
8.MIC level down button,
continuous change when
pressing long term
9.Music level down, continuous change
when pressing long term.
10.pressing this button
continuously, the music
pitch can be down relative
level
11.pressing this button
continuously, the music
pitch can be up relative
level

BGM AUX1 AUX2
9
CAUTION
!
~110/220V
50/60Hz
CONNECTION OF THE SPEAKER CABLE
SYSTEM CONNECTION
1.turn the screw of binding post anticlockwise,
insert the cable into the hole;
2.turn the screw of binding post clockwise to
make sure the cable impacted
choose appropriate speaker cable, connect
the speaker under shortest way.
Please make sure the speaker phase correct. If the phase is inversed, the sound will be
abnormal, and the LF will be not enough.
Note: the end of cable never touch
another binding post
Active subwoofer Record instrument or
sound reinforcement
CONNECTION

10
DO NOT OPEN THE COVER
Do not open the cover to avoid the risk of electric shock caused
by high voltage parts in the product. Any problems caused by
user's wrong actions are out of warranty.
AVOID OBJECT AND LIQUID ENTRY
Take care that objects do not fall into and that liquids are not
spilled into the inside of the product . If the object or liquid enter
the product , please ask qualified personnel to check it.
Please hold the plug when pull out or plug in the cord. Do not
pull out or touch the cord with wet hand, or it will cause the risk
of electric shock. Power supply cords should be routed so they
are not likely to be walked upon or pinched by items placed on
or again st them. When removing the cord from a power outlet
be sure to remove it by holding the plug attachment and not By
pulling on the cord.
DO NOT DAMAGE THE POWER CORD
SAFETY INSTRUCTIONS
ABNORMAL STATUS
In the event of abnormal noise and smell, please put off
the power supply and pull out the cord, please ask
qualified personnel to check it.
NONUSE FOR A LONG TIME
When nonuse it for a long time, please put off the power
supply and pull out the cord to avoid the unexpected
dangers.
ADDITIONAL INSTRUCTION

505x435x200(mm)
200W
300W
~110V/~220V,50Hz
(1KHz,100W,8Ohm)0.02%
ECHO
20Hz-20KHz 2dB
20mV/2KOhm
200mV/10KOhm
1Vp-p/75Ohm
HF(10KHz)
10dB
10dB
10dB
10dB
30W
125W+125W+125W(1KHz,8Ohm)
AK3120
200W+200W+200W(1KHz,8Ohm)
AK3200
AK3300 300W+300W+300W(1KHz,8Ohm)
AK3120
AK3200
AK3300
600W
1000W
1600W
4-16Ohm
8Ohm
(Except for AK3120)
11
AK3120
AK3200
AK3300
AK3120
AK3200
AK3300
13.0kg
14.0kg
15.5kg
11.5kg
12.5kg
14.0kg
SPECIFICATION
Output power(RMS)
THD
Frequency response
Input sensitivity/impedance
MIC
LINE
VIDEO
Pitch control
Music
LF(100Hz)
MIC
LF(100Hz)
HF(10KHz)
Effect
Pitch change control
Loading impedance
Output impedance
Recommend impedance
Power supply
Power supply consumption
AC output socket
One group with switch
Two groups without switch
Static power consumption
Total weight
Net weight
Packing dimension
4
MAINTENANCE
The equipment can be cleaned with dry cotton cloth. If the equipment is
abnormally dirty, please clean it with a piece of cotton cloth dipped in detergent
for 5 to 6 seconds, and finally dry it with a piece of dry cloth.
Don't use alcohol, insecticide, or any other volatile or corrosive liquid to clean
the equipment, which will cause colour fade or flake-off of the equipment surface.
When the equipment is not used for a long time, please keep it in an appropriate
dry place.
Cosmetic changes may be made
SPECIFICATION

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