Active Audio MPA8200 User manual

L'acoustique active
User Manual
MPA8200
Professional Power Amplier

2/9ver. 2020/07/2
User Manual - MPA8200

3/9 ver. 2020/07/2
User Manual - MPA8200
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 amplier MPA8200 ...................................... 11
6. Sample applications.................................................................. 12
7. Specications ........................................................................... 13
7.1. Output power (1kHz), Dual mode ......................................... 13
7.2. Output power (1kHz), Single mode....................................... 13
7.3. Technical data..................................................................... 13
8. Troubleshooting ....................................................................... 14
9. Declaration of conformity .......................................................... 15

4/9ver. 2020/07/2
User Manual - MPA8200
1. Warranty
Active Audio guarantees, that every new product purchased at an authorized
distributor is free of assembly 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 inicted 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.
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.

5/9 ver. 2020/07/2
User Manual - MPA8200
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 amplier 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.

6/9ver. 2020/07/2
User Manual - MPA8200
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 amplier 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 amplier and contact an authorized dealer. If
the equipment will not be used for an extented period of time , unplugged the
amplier 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.

7/9 ver. 2020/07/2
User Manual - MPA8200
3. Front panel
SIG
CLIP
CLIP
CLIP
CLIP
SIG
SIG
SIG
ON
ON
Figure 1 : MPA8200 Front Panel
1 POWER switch
2,3 Indication directing amplier CLIP/SIGNAL (CH1 - CH8)
• 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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User Manual - MPA8200
4. Rear panel
G G G
G G G G
G
2
AUDIO INPUTS
CH1
CH8CH7CH6CH5
CH4 CH3 CH2
MODEL MODEL
BGR BGR
BGR BGR
STE STE
STE STE
PAL PA L
AUDIO OUTPUTS
CH1 CH2 CH3 CH4
CH5 CH6 CH7 CH8
NC NC
NCNC
NC
NC
NCNC
BGR
BGRBGR
BGR
AC INPUT
AC90V~265V 50/60Hz
RMS 15A
10
Figure 2 : MPA8200 Rear Panel
1. AC Power Line IN
2. OUTPUT ( CH1, CH2, BRIDGE )
3. OUTPUT ( CH5, CH6, BRIDGE )
4. OUTPUT ( CH3, CH4, BRIDGE )
5. OUTPUT ( CH7, CH8, BRIDGE )
6. INPUT connector ( CH1, CH2 )
7. INPUT connector ( CH5, CH6 )
8. INPUT connector ( CH3, CH4 )
9. INPUT connector ( CH7, CH8 )
10. Operation mode switch ( STEREO, BRIDGE )

9/9 ver. 2020/07/2
User Manual - MPA8200
4.1. Input connectors
BALANCED UNBALANCED
+-G
-
+
+-
+
GND
GND
G
Figure 3 : Input connectors
4.2. Output connectors
BRIDGE
+
-
CH 1 CH 2
+- -+
STEREO
BRIDGE
+
-
CH 1 CH 2
+- -+
BRIDGE
Figure 4 : Output connectors
Group gain
Group ID

10/12ver. 2020/07/2
User Manual - MPA8200
4.3. Source switches
AUDIO INPUTS
CH1
CH8CH7CH6CH5
CH4 CH3 CH2
MODEL MODEL
BGR BGR
BGR BGR
STE STE
STE STE
PAL PA L
GG G G
G G G G
Figure 5 : Source switches

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User Manual - MPA8200
11/12ver. 2020/07/2
5. Multichannel power amplier MPA8200
Eight independent amplier channels and four bridging switches provide max.
Conguration exibility.
Separate gain controls on the back panel allow convenient level balancing of all
channels.
It features high quality 200W RMS ampliers per zone.
• height independent channels
• bridge operation available
• phoenix input connector
• phoenix output connector
• 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

12/12ver. 2020/07/2
User Manual - MPA8200
12/12 ver. 2020/07/2
6. Sample applications
SIG
CLIP
CLIP
CLIP
CLIP
SIG
SIG
SIG
ON
ON
MPA 8-200
SIG
CLIP
CLIP
CLIP
CLIP
SIG
SIG
SIG
ON
ON
MPA 8-200
SIG
CLIP
CLIP
CLIP
CLIP
SIG
SIG
SIG
ON
ON
MPA 8-200
SIG
CLIP
CLIP
CLIP
CLIP
SIG
SIG
SIG
ON
ON
MPA 8-200
Figure 6 : Sample applications

13/17 ver. 2020/07/2
User Manual - MPA8200
Channels/ Loads 1/1 4/4 6/6
Impedance (Ω) 4 8 4 8 4 8
Output (W) 300 200 300 200 300 200
Channels/ Loads 2/1 4/2 6/3
Impedance (Ω) 4 8 4 8 4 8
Output (W) N/A 300 N/A 300 N/A 300
13/17ver. 2020/07/2
7. Specications
7.1. Output power (1kHz), Dual mode
Tableau 1 : Output power (1kHz), Dual mode
7.2. Output power (1kHz), Bridge mode
Tableau 2 : Output power (1kHz), Bridge mode
7.3. Technical data
Description Data
Frequency response 20Hz - 20kHz @ 1W +/- 0.5dB
Distortion THD ≤0,05 % @ 1kHz
Input sensitivity 0.775V
Input impedance 10kΩ unbalanced, 20kΩ balanced
Signal to Noise 95dB
Damping factor > 300
Dimensions (WxHxD) 483 x 88 x 315 mm
Weight 9.0kg
Tableau 3 : Technical data

14/17ver. 2020/07/2
User Manual - MPA8200
14/17 ver. 2020/07/2
8. Troubleshooting
Symptom Possible causes Solution
No output and
on or several
CLIP leds lit
Input levels too high Decrease output level
from source upstream the
amplier
No output and
CLIP leds not lit
Bad selection of input
source or bad setting
of Volume control
Check dip switchs of
source selection and set-
ting of Volume control
Clic’ noise of
relay and CLIP
leds lit
Output shorted Check cabling of inputs
and outputs
Low level on
loudspeaker
babled in bridge
mode.
Wrong selection of
mode with switch
Check mode selection
switch, which must be on
Bridge

15/17 ver. 2020/07/2
User Manual - MPA8200
9. Declaration of conformity
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16/17ver. 2020/07/2
User Manual - MPA8200

17/17 ver. 2020/07/2
User Manual - MPA8200
17/17ver. 2020/07/2
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