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3.
CONTROL ELEMENTS
3.1 The Front Panel
2
MC250.8
PWR ON
ON
OFF
POWER
1
1
Power Switch
It switches on / off MC250.8 main power.
2
Power LED
This LED lights up when the amplifier is powered on
Clip LED
3
When the respective channel's output signal distortion exceeds 0.5%, the red LED (clip) indicator lights up. it
will warn you that the level of the input signal is too high and may cause distortion, please attenuate the level
of the input signal.
4
Protection LED
This red LED indicator lights up when the amplifier is powered ON, and the soft-start protection system is working.
No sound is outputted during soft-start protection. I f short-circuit protection or over-load protection is activated ,
this indicator flashes and no sound is outputted. The speakers system is actually disconnected with the amplifier
outputs when this indicator flashes. when over-heat protection or DC protection is activated. At this time, protection
LED lights up, and audio output is shut down automatically, and no sound is outputted. When the amplifier have
no malfunction, all the protection systems deactivate and protection LED lights off.
Signal LED
5
After signal is inputted, LED becomes brighter while the signal level increases.
6
Level Control
This pot is used to adjust output level.
7
Fan
The unit is equipped with two fans in the front, 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.
8
Bridge Mode LED Indicator
When you operate the unit in bridge mode, the LED indicator lights up. As for the bridge mode, refer to 3.2 rear
11
panel
9
Parallel Mode LED Indicator
When you operate the unit power amplifier in parallel mode, the LED indicator lights up. As for the parallel mode,
refer to 3.2 rear panel
4
3
5
250W 8 Professional Amplifier
250W 8 Professional Amplifier
20
20
20
18
22
18
22
18
22
18
PROT
PROT
16
24
16
24
16
24
16
12
26
CLIP
12
26
12
26
CLIP
12
6
28
SIG
6
28
6
28
SIG
6
(dB)
(dB)
(dB)
30
30
30
CH1
PAR
BRDG
CH2
CH3
PAR
BRDG
20
20
20
18
22
18
22
18
22
18
PROT
PROT
16
24
16
24
16
24
16
12
26
CLIP
12
26
12
26
CLIP
12
6
28
6
28
6
28
6
SIG
SIG
(dB)
(dB)
(dB)
30
30
30
CH5
CH6
CH7
PAR
BRDG
PAR
BRDG
6
9
8
11
20
22
24
26
28
(dB)
30
CH4
20
22
24
26
28
(dB)
30
CH8
7
5
R
LTO
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