23
In switch
to “On” (see page 19, item 2) as well
as the position of the
X-Over switch
to “FULL”
(see page 21, item 23).
Note:
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of the optical input.
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Attention:
It is mandatory to properly adapt
the input sensitivity of the C ONE to the sig-
nal source in order to avoid damage to the
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the
Level control
(see page 20, item 16;
Level
control
).
5. Connection to power supply
Make sure to disconnect the battery before
installing the HELIX C ONE!
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less than 12 inches (30 cm) from the battery.
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12 V power supply). If your power wires are
short (less than 1 m / 40”) then a wire gauge
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cases we strongly recommend gauges of 25 -
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The ground cable (same gauge as the +12 V
wire) should be connected to a common ground
reference point (this is located where the neg-
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-
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which has been cleaned of all paint residues.
6. Connecting the remote input
The remote input (
REM
) has to be connected to
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if the head unit / car radio is switched on. Thus
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the head unit / car radio.
We do not recommend controlling the remote
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If an additional digital signal processor (DSP)
is installed in the signal path between the radio
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must be used to turn on the C ONE.
7. Connecting the loudspeaker outputs
The loudspeaker outputs can be connected
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connect any of the loudspeaker cables to the
chassis ground as this will damage your ampli-
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Ensure that the loudspeakers are identical and
corrctly connected (in phase), i.e. plus to plus
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-
nus causes a total loss of bass reproduction.
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speakers. The impedance must not be less
than 1 Ohm (2 Ohms in
TwinPower Link
mode),
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-
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be found on page 24 et sqq.
Start-Stop capability
The switched power supply of the HELIX C ONE
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drops down to 6 Volts during engine crank.
High-Resolution audio
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possible sound in studio quality.
Unique Features of the HELIX C ONE
