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4. Rear panel features
- Forced ventilation turbine (8)
- 230V power supply (1)
- Automatic Breaker (2)
8
1
2
5. Connection to the mains
First, it is essential to ensure that the main voltage corresponds to the
apparatus voltage. It is not advisable to connect and disconnect the
mains wire without first making sure that the switch is in its OFF position.
The amplifier is equipped with an Inrush current limiter circuit, which
avoids current excess when powering up. In addition to that, a breaker
switch located close to the IEC socket protects the amplifier when the
average current consumption is out of the specified range.
6. Connection of the loudspeakers
The loudspeaker system should be connected to the Speakon or Termi-
nal connectors ensuring that the polarity is correct. It is very important
to use a cable fitting to the power of the amplifier in order to maintain
the high damping factor these units provide. As a general guideline, we
offer a table of the minimum cross section values according to the dis-
tance:
- Up to 20m in length: cross section of minimum 2.5mm
- From that length on, increase the section to 4 mm
These cross-sections correspond to impedance of 8
Ω; they should be increased for impedance of 4 Ω.
If you use very low load (2 Ω) the cross section has
a very important role in the sound quality.
There are two speaker outputs: CH A and CH B both fitted with Speakon
sockets and Terminal type (binding posts) connectors.
The Speakon connector (not included) has 4 terminal poles labeled
as +1, -1, +2 and -2. Each pole can fit a maximum wire section of 4mm
(12AWG). In mobile applications this connection may also be soldered to
guarantee better contact.
All manuals and user guides at all-guides.com
3
4
3
Black for the Negative Pole. They accept direct cable connection up
to 8mm
LEL amplifier modes:
(14AWG)
2
2
minimum (12AWG).
For BRIDGE mode, the following output connection is needed:
the same connector (Speakon A) when not strictly necessary, it is
recommended whenever possible to use one Speakon connector for
each output (Speakon A for CHA, Speakon B for CHB). With only two
active pins +1 y -1 to avoid undesired signal crosses between positive
pins that can damage the amplifier.
2
- XLR input signal connectors (6) & Link (7)
- Loudspeaker output connection. Speakon (3) and Terminals (4)
- Mode Selection Switch. Stereo, Bridge and Parallel (5)
5
6
6
AC 220/240 V – 50/60 Hz
AVERAGE CURRENT DRAW
3 A at
/
power
1
8
6 A at
1
/
power
3
CAUTION: the connection to any other
voltage different from the one specified can
damage the amplifier immediately.
The Binding Posts are marked with Red for the Positive Pole, and
section (8AWG).
2
The outputs are configured as following for the STEREO and PARAL-
Output
Speakon A
+ Ch A
1 +
- Ch A
1 -
+ Ch B
2 + (*)
- Ch B
2 - (*)
Output
Speakon A
+ Pole
1 +
- Pole
2 +
(*) Although it is possible to get the output of both channels with
7
7
8
Speakon B
Binding Post
N.C.
Red (A)
N.C.
Black (A)
1 +
Red (B)
1 -
Black (B)
Speakon B
Binding Post
N.C.
Red (A)
N.C.
Red (B)
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