APP EM-4550 Manuel du propriétaire - Page 6

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ΣM SERIES PROFESSIONAL POWER AMPLIFIER

2.2.Cooling Description

This digital amplifier series is designed according to international 1 U size standards.

The cooling method is: pumping the outside air into inside the unit through the vents of

the front panel, and then bring out the heat through the aluminum radiator in the unit

and then out from the rear panel vents. The "smart" variable speed DC fan is equipped

in the unit, and then it can adjust the wind speed through the temperature detection

and circuit detection for the heat sink module. When the unit inside overheats, it will

adjust the fan speed to increase cooling efficiency immediately.

If any heat-sink overheats, the detection circuit will reduce output power. If the

amplifier overheats, the temperature protection detection circuit and its circuit will

shut down and power off until it cools to a safe temperature.

After using this unit for a period of time (not referring to the turn- on time), if it can not

meet the cooling effect after the fan running with high speed for a long time, please

turn off the machine and remove the mesh enclosure to clean up the dust (only for the

unit with the mesh enclosure design).

The air flow diagram of the unit cooling is shown as below, please ensure that there is

enough space for the fixed installation of the unit.

2.3.Connection mode illustration

2.3.1.Stereo mode connection illustration

*The renderings are only for reference, and the actual item is the standard.

-toPIN1-

+toPIN1+