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3G Audio AK-3120 Owner's Manual

AK-3200 AK-3300

Made by: 3G Audio
Type: Owner's Manual
Category: Amplifier
Pages: 15
Size: 0.81 MB

 

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AK  SERIES

CHINESE

AK-3120

ED-3G-MA-060911-002

AK-3200

AK-3300

OWNER'S MANUAL

 


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 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

 


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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

 


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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. 

 


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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 RCA connector (Red) to match Female RCA ( Red)
Male RCA connector (White) to match Female RCA (White) 

Red

White

 


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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

 


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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

 


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BGM

AUX1

MUTI

ATSIN

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

10 

12 

14 

16 

18 

22 

24 

26 

28 

30 

32 

34 

36 

38

10 

12 

14 

16 

18 

22 

24 

26 

28 

30 

32 

34 

36 

38

C       R/L

MIC  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.

 


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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

 


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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

 


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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

 


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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

 


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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

 


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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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