Output Terminal
You can output the powered signal by the specific output connectors according to the actual application circumstance.
When the output terminal is connected with speaker, you can complete the connection as the way we signed in this manual
Caution: turn off the unit before connecting the output connectors so as to avoid any electric shock!
Breaker
This switch works as fuse for protecting the unit from damage. When the unit is overloaded or the temperature
inside the unit is too high, this push-button will spring up and break the power supply. The power supply will be
restored with pushing this switch again.
AC-Inlet
This standard IEC receptacle is supplied to allow to connect your MC250.8 to mains via the supplied power cord.
7
4. Installation
4.1 Mains connection
Do not insert the power cord into this unit until voltage has been correctly set. Please confirm if the power cord is
connected correctly . Please ensure that the MC250.8 professional power amplifier is supplied with the correct voltage
before turning on this unit. If you can't power up this unit while turning on the mains switch (1), check the Breaker
(14) on the rear panel first, and check if it is in the release state. Otherwise, contact the technician or qualified
personnel for checking if the unit power is 3000W or for any other service.
Caution: To reduce the risk of electric shock, do not perform any servicing other than contained in this manual unless
you are qualified to do so. Please turn off this unit before any installation and connection, esp. when you connect
your unit into the sound system. This is important to prevent damage to the unit itself as well as other consequent
speaker system. This is important to prevent damage to the unit itself as well as other consequent speaker system.
The mains connection of the MC 250.8 professional power amplifier is made by using the enclosed power cord and
a standard IEC receptacle, and it meets all of the international safety certification requirement.
- function selector
Clip limit :
set these small dip switches of 1(ON) and 10(ON) at "ON" position , then the clip limit of channel 1
and channel 2 has been working; once the output level is reach or exceed the level that is predetermined by the
threshold setting selected, it may result in the undesirable distortion .in order to avoid the distortion, the clip begins;
if the dip switch are set at "OFF", the clip limit doesn't work.
CLIP LIMIT
ON
OFF
ON
OFF
2 3 4 5 6 7 8 9
Filter:
this unit are equipped with two low cut filter eliminating unwanted low- frequency signals like rumble noise:
75Hz and 35Hz. When 2& 9 are set to the top position, set 3&8 to the top position, 35Hz low cut filter is activated.
Set 3&8 to the bottom position, 75Hz low cut filter is activated.
12
14
13
35Hz
FIL
TER
FIL
TER
OFF
FIL
TER
OFF
35Hz
FIL
TER
FIL
TER
ON
75Hz
FIL
TER
75Hz
FIL
TER
FIL
TER
ON
1
4 5 6 7
10
Fans on rear panel
15
The unit is equipped with two fans in the back, which can accelerate the flow of air to lower the temperature inside
unit. The inside temperature determines the fan speed, which controls the inside air flowing speed.
Содержание MC250.8
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