Alto D3 Benutzerhandbuch - Seite 7

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Alto D3 Benutzerhandbuch
7
Breaker
Breaker protects the amplifier from damage from over-current.
If the current surges, the breaker switches off amplifier circuit
automatically, and then it can resume the amplifier operation
by pressing the breaker manually.
8
Combo Input Connector
One connector for each channel. These are combo con-
nectors which input signal to amplifier respectively.
9
Mode Selector
For two-channel models, there is only one mode selector.
It controls the operation of channel1-2. For four-channel
models, there are two model selectors. One controls the
operation of channels1-2. The other controls the operation
of channels3-4. It is impossible to bridge or parallel
channels 1 or 2 with channels 3 or 4.The selectors can
set the amplifier's operating mode for Stereo, Parallel,
or Bridged operation.
- Parallel
In this mode, both inputs of a pair are connected together.
One signal supplies both channels. Please don't connect
different signals to each input. The signal input from
channel 1 or 2 will be output from both channel 1 and 2
simultaneously. Each channel's gain control and speaker
connection are independent.
- Stereo
In this mode, Channel 1 and Channel 2 operate independently
( just as traditional stereo amplifier). The signal input into
channel 1 can be output from channel 1 only, similarly, the
signal input into channel 2 can be output from channel 2 only.
- Bridged
In this mode, both channels of a pair are combined into
a single channel with twice the output voltage. Use only
the first channel's input and gain control. Set the second
channel's gain control to minimum.
10
30Hz FILTER
Set the switch to the position ON, the filter cut off frequency
below 30Hz. This reduces distortion and prevent amplifier
from overload. Set the switch to the position OFF, the switch
is turned off
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Combo connector of
2-channel models
Combo connector of
4-channel models
Mode Selector of
2-channel models
Mode Selector of
4-channel models