Alto MC250.4, Руководство пользователя

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4.2 Rack Mounting
the most secure mounting is on a universal rack shelf available from various rack manufactures or your music dealer.
The MC250.4 professional power amplifier fits into one standard 19" rack unit of space. Be sure that there is enough
air space around the unit for sufficient ventilation. If heat release is inadequate, this unit will retain heat inside, which
may cause the protection, or even a fire.
5. Application
The MC250.4 provides three operating modes with each unit: stereo mode, parallel mode and bridged mode, you
can decide each specific operating mode according to your actual application circumstance. Following examples will
show you the typical connections, you can refer to install your MC250.4 into a sound system:
5.1 Operate MC250.4 Power Amplifier In Stereo Mode
In this mode, channel 1 and channel 2 operate independently ( as a conventional stereo amp).The channel 1 input
signal will be output from the channel 1 output jacks, and the channel 2 input signal will be output form the channel 2
output jacks.(take channel 1 and channel 2 for example)
Apparaten skall anslutas
till jordat uttag nar den
ansluts till ett natverk
BREAKER BREAKER
CH1 CH2
CH3 CH4
INPUTS
CH1 MODE SWITCHES CH2
CH3 MODE SWITCHES CH4
OUTPUTS
BRIDGE
MONO
AC INPUT
MODE SWITCH SETTINGS
CLIP LIMIT
STEREO MODE
ON
OFF
ON
OFF
2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 910
SWITCH SETTINGS
TO BRIDGE CHANNEL PAIRS SET INPUT SWITCHES AS
SHOWN. USE THE LOWER NUMBERED CHANNEL'S INPUT
AND GAIN CONTROL. CONNECT SPEAKER AS SHOWN.
CH1 AND CH2
CH3 AND CH4
BRIDGEABLE
CHANNEL PAIRS:
BRIDGE MONO
CH3 CH1
CH4 CH2
BRIDGE
MONO
OUTPUTS
SERIAL
MODEL 1 2 3 4 5 6 7 8 910
PARALLEL MODE
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
Useo nlyw itha 250Vfuse
FILTERS
35Hz
F
IL
TER
FIL
T
ER
OFF
FIL
T
ER
OFF
35Hz
F
IL
TER
FIL
TER
ON
75Hz
FIL
TER
75Hz
FIL
TER
FIL
TER
ON
1 4 5 6 7 10
1 2 3 4 5 6 7 8 910
8
+
Channel 1
+
Channel 2
+
STEREO MODE
1 2 3 4 5 6 7 8 910
Channel 2
Channel 1