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8. Rear side functions and connections
8. Rear side functions and connections
8.1 Power Supply
8.1 Power Supply
Ex works the device is set up for a mains power voltage of 230 V AC. Operation from 115 V AC
Ex works the device is set up for a mains power voltage of 230 V AC. Operation from 115 V AC
mains power is not provided standard, but the mains transformer can be exchanged by ic-audio.
mains power is not provided standard, but the mains transformer can be exchanged by ic-audio.
Mains fuse has the following value:
Mains fuse has the following value:
Speaker outputs
AMP1
70V
COM
8
100V
POWER
AMP2
COM
8
70V
100V
AMP3
COM
8
70V
100V
AMP4
70V
COM
8
100V
Earth screw
8.2 Connection Standby Power Source 24 V DC
8.2 Connection Standby Power Source 24 V DC
In case a Standby Power Source is connected, the device continues to operate at mains power
In case a Standby Power Source is connected, the device continues to operate at mains power
failure without any interruption.
failure without any interruption.
It has to be kept in mind, that the mains power switch will not act on DC-power. So at present
It has to be kept in mind, that the mains power switch will not act on DC-power. So at present
standby power source, the amplifier is always operating.
standby power source, the amplifier is always operating.
The device can also be operated in normal condition via a 24 V DC power source instead of
The device can also be operated in normal condition via a 24 V DC power source instead of
230 V AC. If operated solely from battery power, it is recommended to earth the unit by the earth
230 V AC. If operated solely from battery power, it is recommended to earth the unit by the earth
screw.
screw.
8.3 Mains Power Switch
8.3 Mains Power Switch
The mains power switch is working only on the main power source, not on the standby power
The mains power switch is working only on the main power source, not on the standby power
source (24 V DC).
source (24 V DC).
8.4 Speaker Outputs
8.4 Speaker Outputs
For each channel several outputs are available:
For each channel several outputs are available:
8.4.1 COM/100V Connect here 100V high-impedance speaker lines
8.4.1 COM/100V Connect here 100V high-impedance speaker lines
8.4.2 COM/70V Output for high-impedance 70V speaker lines
8.4.2 COM/70V Output for high-impedance 70V speaker lines
8.4.3 Additionally there is a low-impedance 8 Ohms output. Low Ohm speakers shall be
8.4.3 Additionally there is a low-impedance 8 Ohms output. Low Ohm speakers shall be
connected to the COM und 8Ω terminals. If multiple low ohm speakers have to be connected,
connected to the COM und 8Ω terminals. If multiple low ohm speakers have to be connected,
they have to be wired in groups in a way, that the resulting impedance will be between 8 and
they have to be wired in groups in a way, that the resulting impedance will be between 8 and
16 Ohms. Special attention has to be paid to the power handling of the speaker chassis, since
16 Ohms. Special attention has to be paid to the power handling of the speaker chassis, since
– in a different way from a 100V-system – even one (!) speaker with rated impedance will
– in a different way from a 100V-system – even one (!) speaker with rated impedance will
get the hole amplifiers power.
get the hole amplifiers power.
AMP 4x120
115V ~
AMP 4x120 T 16 A
Mains power switch
Mains connector 230V AC
AC 230V-240V
LINE FUSE
DC 24V
+
CAUTION
!
Warning: This applicance
must be earthed.
24V DC connection
EN
7
230V ~
T 10 A
Mains fuse
AMP1
BALANCED
UNBALANCED
AMP3
!
BALANCED
UNBALANCED
ic audio
AMP2
Supply Voltage
Monitoring
BALANCED
AMP4
BALANCED
AMP 4x120
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