AMC MPA 60 User manual

User
Manual
MPA 60
Media player aplier

Safety instructions
USER MANUAL MPA 60 Media player amplier
When using this electronic device, basic precautions
should always be taken, including the following:
1Read all instructions before using the product.
2Do not use this product near water (e.g., near a bathtub, washbowl,
kitchen sink, in a wet basement or near a swimming pool etc).
3 Use this device when you are sure that amplifier has
a stable base and it is fixed securely.
4This product, in combination with loudspeakers may be
capable of producing sound levels that could cause permanent hearing
loss. Do not operate for a long period of time at a high volume level or at
a level that is uncomfortable. If you experience any hearing loss or ringing
in the ears, you should consult with otorhinolaryngologists.
5The product should be located away from heat sources such as radiators,
heat vents, or other devices that produce heat.
6The product should be connected to a power supply that is described
in the operating instructions or are marked on the product.
7The power supply should be undamaged and never share an outlet
or extension cord with other devices. Never leave device plugged
into the outlet when it is not being used for a long period of time.
8Care should be taken that objects do not fall into liquids and liquids
would not be spilled on the device.
9The product should be serviced by qualified service personnel if:
– The power supply or the plug has been damaged.
– Objects have fallen into or liquid has been spilled on the product.
– The product has been exposed to rain.
– The product has been dropped or the enclosure damaged.
10 There are some areas with high voltage inside, to reduce the risk of electric
shock do not remove cover of the microphone receiver or power supply.
The cover should be removed by the qualified personnel only.
CAUTION
To reduce the risk of electric shock, do not remove screws.
No user-serviceable parts inside. Refer servicing to qualied
service personnel. To reduce the risk of re, electric shock
or product damage, do not expose this apparatus to rain,
moisture, dripping or splashing and that no objects lled
with liquids, such as vases, shall be placed on the apparatus.
RISK OF ELECTRIC SHOCK
DO NOT OPEN

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Maximum Usage 65mm
Minimum Usage 18mm
Minimum Usage 18mm
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Minimum Usage 18mm
Minimum Usage 18mm
Minimum Usage 18mm
Maximum Usage 65mm
Maximum Usage 65mm
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Table of contents
USER MANUAL MPA 60 Media player amplier
Before you start
Introduction......................................................................................................................................................2
Features................................................................................................................................................................2
Operation
Front panel ........................................................................................................................................................3
Rear panel...........................................................................................................................................................4
Media player.....................................................................................................................................................5
Front panel operation................................................................................................................................6
Rear panel operation.............................................................................................................................7-8
Media player operation.....................................................................................................................9-11
Specifications
General specifications.............................................................................................................................12

USER MANUAL MPA 60 Media player amplier
Before you start
MPA 60 user-friendly mixing amplifier with integrated media player. Supports compressed audio files and is
an excellent device for small size applications where amplification with music source or audio signal mixing is
required.
FEATURES
• D-classamplier
• Switchingpowersupply
• Built-inUSB/SDplayerandrecorder
• Bluetoothinterface
• FMtuner
• IRremotecontrolformediaplayer
• 3.5mmJackAUXinput
• XLRand6.3Jackmicrophoneinputs
•RCAinputsforlinelevelaudio
•Phantompowerandmicrophonepriority
•Smoothinputgaincontrol
•Tonecontrol
02

USER MANUAL MPA 60 Media player amplier
Front Panel
1. Input level control |2. Media player |3. Aux input |4. Tone control
5. Master level control |6.Ledindicators|7. Power switch
Operation
03

USER MANUAL MPA 60 Media player amplier04
Operation
Rear Panel
1. Main power connector and fuse |2. Antenna connector |3. Outputs |4. Telephone-paging input | 5. Music on hold output |6.Line
level audio input 7. Microphone input |8. Gain control |9. Priority microphone input |10. Priority switch |11. Phantom power switch

USER MANUAL MPA 60 Media player amplier
Media Player
05
Operation
1.LEDscreen|2. USB connector |3. SD card |4. Preset | 5. Backward |6.Play/Pause
7. Forward |8. Power |9. Repeat |10. Play 1 |11. Mute |12. Mode | 13. Random
14. Record |15. Record play |16. Delete | 17. Number keyboard |18. Volume control

USER MANUAL MPA 60 Media player amplier
Front panel operation
INPUT LEVEL CONTROL
These rotary knobs are designed for adjusting volume level of the Input 1, input
2 and input 3. First three inputs can be used for microphone or line level audio.
The gain of this inputs can be adjusted in rear panel.
AUX INPUT
Thisis3,5mmstereoJackinputforconnectingaudiofrommobiledevice,laptop
or PC. Audio level of this input can be controlled by using input 3 level control.
Gain of this input is fixed and can not be adjusted.
TONE CONTROL
The separate tone controls provide attenuation of bass and treble response. The
flat position is obtained when the knobs are set to middle position. Turn bass
controlknob(BASS)andtrebletonecontrolknob(TREBLE)clockwisetoraise
tone level approximately +10 dB; turn counterclockwise to lower tone level by
approximately -10 dB.
MASTER LEVEL CONTROL
This potentiometer is designed to adjust audio level in the main output.
LED
SIGNALLED.SignalLEDindicatesaudiosignalintheamplieroutput.There
are two signal indicators, first indicates audio signal level when it reach -30dBu,
second -20dBu.
CLIPINDICATORS.YellowLEDindicateswhenamplierstartsdistortaudio
signal. If the indicator starts lighting continuously the output signal is distorted.
In this case, decrease the audio level by master volume control.
PROTECTINDICATOR.ThisLEDlightsupforafewsecondsaftertheamplieris
powered on and then turns off if the amplifier is not damaged. It is normal for
theprotectionLEDtofadeslowlyorblinkwhentheamplierispoweredo.If
this indicator starts lighting continuously, turn off amplifier for 10 second and
thenturnonagain.IfLEDstillindicatesafterpowerresetitmeansamplieris
damaged and need to send to service for repairing.
06
Operation

USER MANUAL MPA 60 Media player amplier07
Operation
Front panel operation
MAIN POWER CONNECTOR AND FUSE
Power connector is designed for main powers connecting to amplifier. This
connector is combined with fuse holder and 1.6 A 250V fuse.
ANTENNA CONNECTORS
MPA 60 amplifier is supplied with the music source module and FM tuner. We
are highly recommended to use outdoor FM antenna in order to ensure reliable
FM radio receiving.
OUTPUTS
LOWIMPEDANCEOUTPUT.Outputdesignfor4and8Ωloudspeakers.Operat-
ingamplierwith8Ωand100Vatthesametimeisforbidden.Itmaydamage
the amplifier or connected speakers.
HIGHIMPEDANCEOUTPUT.Outputterminalisdesignedtoconnectspeakerline
to amplifier. There are available two types, 70V and 100 V outputs for constant
voltage audio lines. Amplifier can run only one output configuration at the
sametime.Operatingamplierusing8/4Ωand100/70voltconcurrentlymay
cause damage the amplifier or connected speakers.
TELEPHONE-PAGING INPUT
Thisisbalancedinputforlinelevelaudiosource,PBXstationormessagesplayer.
TELEPAGINGLEVEL.Volumecontrolfortelepaginginput.
TELEPAGINGPRIORITYCONTROL.Designedtoadjusttelepaginginputpriority.
TheMINpositiondisablespriorityfunctionmeanwhileMAXtotallymuteaudio
from music player and all other inputs when audio signal is detected in tele
paging input.
MUSIC ON HOLD OUTPUT
Music on hold audio output supply balanced line level signal from Input 2,
Input 3 and music player. Signal level can by adjusted by using potentiometer
located on rear panel near the phoenix connector. Music on hold signal is
irrespective from tone control and master volume.

USER MANUAL MPA 60 Media player amplier
Operation
Front panel operation
LINE LEVEL AUDIO INPUT
RCA input for line level audio. Stereo RCA connectors. Input gain can be adjust-
ed by using gain potentiometer, minimum is -14dBu, maximum -30dBu.
MICROPHONE INPUT
This is balanced microphone input for dynamic microphone only. TRS jack con-
nector size 6.3mm. Input gain can be adjusted by using potentiometer
from -6dBu to -50dBu.
GAIN CONTROL
This control allows precisely adjust inputs gain. Microphone inputs can be
adjusted from -6dBu to -50dBu, line level from +14dBu to -30dBu.
PRIORITY MICROPHONE INPUT
BalancedXLRmicrophoneinput,canbesetaspriorityinput,inthiscaseitcan
mutesignalsfrominput2,input3,AUXandmusicplayer.Input1issuitable
for dynamic and condenser microphones as well. For condenser microphones
phantom power must be enabled.
PRIORITY SWITCH
Microphone input 1 can be set as priority input. To activate the priority, please
set priority switch to„on”position. To deactivate, set to position„off”.
PHANTOM POWER SWITCH
Set phantom power switch to“ON”position to activate phantom power to Input
1XLR.Maximumphantompowervoltageis+14V.Todisablephantompower
set switch to“off”position.
08

USER MANUAL MPA 60 Media player amplier09
Operation
Media player
LCD SCREEN
LCDscreendisplaysmaininformationaboutmediaplayerstatus:tracknumber
and time, media player volume level, music source, FM frequency.
PRESET
Thisbuttonssavescurrentradiofrequencytopreset.PressPSETbuttoninorder
tosaveFMradiostationwhichisshowingonLCDscreen,selectpresetnumber
byusingplay/pausebutton.PressPSETonemoretimetonishpresetsaving.
BACKWARD
Single press of this button will change currently playing soundtrack to previ-
ously track. If button is held for a few seconds in FM tuner mode it starts radio
station auto searching. Single short press will add 0.05 MHz step to the radios
station frequency. In USB and SD card mode holding this button reduce volume
level of media player.
FORWARD
Single press of this button will change currently playing soundtrack to next.
If button is held for a few seconds in FM tuner mode it starts radio station
auto searching. Single short press will add 0.05 MHz step to the radios station
frequency. In USB and SD card mode holding this button increase volume level
of media player.
PLAY/PAUSE
Start play by pressing this key when device is stopped. When this key is pressed
during playing from USB or SD card the mode of the media player will be
changed into pause. When this key is pressed during pause, it switch back to
play mode.

USER MANUAL MPA 60 Media player amplier10
Operation
Media player
MODE
Single short press will change the playing mode between FM, SD, USB, Blue-
toothandAUX.Holdthisbuttonfor3secondinordertoturnomediaplayer.
BTFM
AUXSDUSB
POWER
Usethisswitchtopoweron/omediaplayer.Powerbuttonmustbeheldby3
second.
MUTE
Press “Mute”button to mute audio output, to disable mute press “Mute”again.
REAPEAT
Pressing this key allows to change sound tracks playing mode like in picture
below.
RANDOM
This button enables random playing of the sound tracks.
PLAY 1
This key activates one track repeat mode.
RECORD
Record function allows to record audio signal which is playing in the main out-
put.FunctioncanbeactivatedbypressingRECbuttonifAUXmodeisselected
in media player.
FOLDER
1 ALL
REPEAT

USER MANUAL MPA 60 Media player amplier
Operation
Media player
DELETE
Thisfunctionallowsdeleteaudioles.PressDELbuttononselectedaudiole
and it will be deleted from USB or SD card.
BLUETOOTH PAIRING
All the time when Bluetooth mode is selected, media player automatically
starts searching Bluetooth devices. In order to play audio, select and pair device
named “Audio Bluetooth” at your smart phone or tablet screen. Next time your
device will be paired automatically. At the Bluetooth searching moment media
playerscreendisplaysblinkinglines----.Linesstopsblinkingifmediaplayer
and smart device connection is successful.
VOLUME CONTROL
These buttons allow to adjust music player volume.
NUMBER KEYBOARD
It allows you to select a radio station from the FM preset or select the audio
track from USB or SD.
11

USER MANUAL MPA 60 Media player amplier
General Specifications
MPA 60
Output power 60W
Power supply 110~230V50/60Hz
Outputs Lowimpedanceoutput-4Ω,8Ω
Hi impedance outputs 70V, 100V
MIC
Sensitivity -6 dB ~ -50 dB
Priority Input CH1
ConnectorsXLRforCH1,BalancedTRS6.3jackfor
CH2 and CH3
LINE Sensitivity +14 ~- 30 dBu
Connector RCA, 3,5mm TRS jack
TELEPAGING Sensitivity: 0 ~- 30 dBu
Connector: Phoenix
Frequency responce 80 Hz ~ 18 kHz
Tone control Bass 100 Hz ±12 dB
Treble 10 kHz ±12 dB
THD 0,5 %
Controls
MICandAUX/PHONOinputlevelcontrols,
tone control, USB SD card player volume
control, master volume control.
Indicators Power, audio signal, clip, protect
Dimensions 260 mm x 27 mm x 90 mm
Weight 3,5 kg
12
The specifications are correct at the time of printing this manual.
For improvement purposes, all specifications for this unit, including
design and appearance, are subject to change without prior notice.
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