Active Audio MPA6150 Bedienungsanleitung
L'acoustique active
User Manual
MPA6150
Professional Power Amplier
2/16ver. 2017/10/30
User Manual - MPA6150
3/16 ver. 2017/10/30
User Manual - MPA6150
Table of contents
1. Warranty ...................................................................................5
2. Safety tips .................................................................................6
2.1. Equipment Setup ..................................................................6
2.2. Ventilation ............................................................................6
2.3. Voltage.................................................................................6
2.4. Electrical cord .......................................................................6
2.5. Foreign objects .....................................................................7
2.6. Service.................................................................................7
2.7. Maintenance .........................................................................7
3. Front panel ................................................................................8
4. Rear panel .................................................................................9
4.1. Input connectors.................................................................10
4.2. Output connectors ..............................................................10
4.3. Source switches ..................................................................10
5. Multichannel power amplier MPA6150 ......................................11
6. Sample applications.................................................................. 12
7. Specications...........................................................................13
7.1. Output power (1kHz), Dual mode .........................................13
7.2. Output power (1kHz), Single mode....................................... 13
7.3. Technical data..................................................................... 13
8. Block diagram ..........................................................................14
9. Troubleshooting ....................................................................... 15
10. Declaration of conformity ........................................................ 16
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User Manual - MPA6150
1. Warranty
Active Audio guarantees, that every new product purchased at an authorized
distributor is free of assembly and material and material defects.
During the guarantee, the purchaser is entitled to repairs free of charge in cases
ivolving assembly defects.
Defects reported during the time of the guarantee will be repaired by an autho-
rized dealer free of charge within 21 days from the date that the equipment is
delivered for repair - the time of repair may be extented if the job requires parts
to be acquired from another country.
The guarantee is extended by the time it takes to complete reparations of the
product.
Under the guarantee, those repairs for which instructions are given in the ma-
nual will not be cover, and are the sole responsiblity of the owner’s time and
cost. For example, the installation of equipment, the testing, maintenance (es-
pecially the cleaning of the lter), and interchanging the fuses. All of the afore
mentioned repairs can be made by the dealer at the customer’s own cost.
Guarantee does not cover:
• Mechanical, chemical, and thermal damages inicted on the equipment.
• Damages and defects caused by wrongful installation, usage, storage,
and maintenance.
• Damages caused by repairs and changes to the equipment made by the
customer or other unauthorized persons.
• Damages attributed to acts of god.
The owner provides damaged equipment for repairs or sale at his or her time
and cost, preferably in the original package. If the original package is missing,
the risk of product damage is higher and the owner assumes all nancial losses.
Without the registration card, equipment will not be repaired.
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2. Safety tips
2.1. Equipment Setup
Avoid setting up the equipment areas:
• subject to direct sunlight
• exposed to high temperatures
• exposed to moisture
• subject to high vibrations
• on an uneven surface
Non compliance can lead to damaging the outside frame and/ or other parts -
which could shorten the allotted time of operation.
2.2. Ventilation
Install the equipment in the area with proper ventilation - with a distance of at
least 10cm from the rear of the device to the wall. Remember that objects such
as curtains should not cover the ventilation openings.
PLACING OBJECTS ON TOP OF THE AMPLIFIER
Do not place heavy object on top of the amplier or
on the electrical cord.
Such actions could cause the top plate to be perma-
nently deformed or the electrical cord to be severed.
2.3. Voltage
The equipment cannot be plugged into a DC socket. Make sure the parameters
of the socket are known.
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2.4. Electrical cord
When inserting the electrical cord into the socket, hold the plug rmly and make
sure it is propely placed into the socket. Never attempt to touch the socket with
moist hands.
Avoid cutting, scratching, over bending, stretching, and folding the electrical
cord. Such actions could cause a re or electrical shock.
When unplugging the cord do not pull the wire because an electrical shock
could result.
2.5. Foreign objects
• Do not allow objects such as needles, coins, screws, etc to accidentally
fall into the equipment through the ventilation openings. The result could be
serious damage to the amplier and electrical shock.
• At no time should water or any other liquid to be spilled on or into the
equipment due to the high risk of re or shock.
• Avoid using any aerosol sprays around the equipment.
2.6. Service
Never try to take apart, x or repair the equipment. If problems arise at time
of operation (interrupted sound, signals do not light up, traces of smoke arise,
etc.) Immediately turn off the amplier and contact an authorized dealer. If
the equipment will not be used for an extented period of time , unplugged the
amplier from the outlet.
2.7. Maintenance
Clean the frame, the main frame, and the regulator witch a soft moist towel,
lightly covered with a gentle detergent. Do not use any abrasive materials or
detergents.
Do not use any solvent such as alcohol or gasoline.
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3. Front panel
Figure 1 :
MPA6150 Front Panel
1 POWER switch
3,6,9 Operating signal READY/PROTECT
• signal lights up green: amplier ready to operate
• signal lights up red: signies that, safety switch is eliminating:
◦Banging at time of startup
◦Apearance of DC
◦Overheating of the heatsink or transformer
2,4,5,7,8,10 Indication directing amplier CLIP/ SIGNAL ( CH1 - CH 6)
• signal lights up green: showing present signal of output
• signal lights up red: informs the user that the entering signal is too large
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4. Rear panel
2
Figure 2 :
MPA6150 Rear Panel
1. VOL1 - VOL6 parameters regulate the amplitude of outgoing signals
2. OUTPUT ( CH1, CH2, BRIDGE )
3. OUTPUT ( CH3, CH4, BRIDGE )
4. OUTPUT ( CH5, CH6, BRIDGE )
5. INPUT connector ( IN1 )
6. Operation mode switch ( STEREO, BRIDGE )
7. INPUT connector ( IN2 )
8. Source switch for CH 2
9. INPUT connector ( IN3 )
10. Source switch for CH 3
11. STEREO, BRIDGE switch
12. INPUT connector ( IN4 )
13. Source switch for CH 4
14. INPUT connector ( IN5 )
15. Source switch for CH 5
16. STEREO, BRIDGE switch
17. INPUT connector IN6
18. Source switch for CH 6
19. AC Power Line IN
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4.1. Input connectors
BALANCED UNBALANCED
+
-
GND
-
+
+
-
G ND
+
Figure 3 :
Input connectors
4.2. Output connectors
BRIDGE
+ -
CH 1 CH 2
+ - - +
STEREO
BRIDGE
+ -
CH 1 CH 2
+ - - +
BRIDGE
Figure 4 :
Output connectors
4.3. Source switches
B R I D G E B R I D G E
SO UR C E SO UR C E SO UR C E
SO UR C E
1 3 2 4 1 5 2 6
ST ER E O ST ER E O
I N 3 I N 4 I N 5 I N 6
+
-
+
-
+
-+
-
SO UR C E
+
-
B R I D G E
ST ER E O
1 2
I N 1 I N 2
+
-
Figure 5 :
Source switches
Group gain
Group ID
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User Manual - MPA6150
5. Multichannel power amplier MPA6150
Six independent amplier channels and three bridging switches provide max.
Conguration exibility.
Separate gain controls on the back panel allow convenient level balancing of all
channels.
It features high quality 100W RMS ampliers per zone.
• six independent channels
• bridge operation available
• phoenix input connector
• output screw terminals
• separate gain controlers
• source switch parallel operation mode
• silent switching on and of loading
• variable speed fan
• mosfet output transistors
• toroidal transformer inside
• protection system (output current reduction at low impedance, short cir-
cuit , over temp protection)
• clip indicator for each channel
• protect/ready indicator for each pair channels
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