of 5 - 10 Volts and 64 kOhms for a sensitivity range
of 10 - 20 Volts.
Attention:
Solely use the pluggable screw-terminal
for the highlevel connector which is included in de
-
livery!
9
Output Channels A - D
These connections serve as speaker outputs of
the channels A - D. Never connect any of the loud
-
speaker cables with the car chassis ground. It dam-
ages your amplifier. Ensure that the loudspeaker
systems are correctly connected (phase), i.e. plus
to plus and minus to minus. Exchanging plus and
minus causes a total loss of bass reproduction. The
plus pole is indicated on most speakers. The imped-
ance of the speakers of the channels A and B must
not be lower than 4 Ohms. All other channels can
be loaded with a minimum of 2 Ohms.
10
Clipping LED
This LED lights up red if one of the six „Line Inputs“
or „Highlevel Inputs“ is overdriven. The LED has no
function if the device is fed with digital input signals.
If this LED lights up reduce the input sensitivity by
using the potentiometers until the LED goes out.
11
Fuse
If a severe malfunction inside the amplifier will blow
the internal fuses the LED lights up red. During nor-
mal operation this LED will remain off.
12
GND
The ground cable should be connected to a com-
mon ground reference point (this is located where
the negative terminal of the battery is grounded
to the metal body of the vehicle) or to a prepared
metal location on the vehicle chassis i.e. an area
which has been cleaned of all paint residues. Rec-
ommended cross section: min. 16 mm² / AWG 6.
13
REM
The remote lead should be connected to the remote
output / automatic antenna (aerial positive) output
of the head unit/car radio. This is only activated if
the head unit is switched on. Thus the amplifier is
switched on and off with the head unit. This input
must not be assigned if the higlevel input is used.
14
+12 V
Connect the +12 V power cable to the positive ter
-
minal of the battery. Recommended cross section:
min. 16 mm² / AWG 6.
15
Line Output
2-channel pre-amplifier output for connecting exter
-
nal amplifiers. The output voltage is 3 Volts max.
The outputs can be assigned to any of the inputs as
desired using the DSP PC-Tool software. If you use
this output it is mandatory to turn on/off the external
amplifier via the „Rem Out“ in order to avoid any
pop noise.
16
Rem Out
We strongly recommend to use this output for turn-
ing on/off additional amplifiers that are connected
to the line outputs of the HELIX P SIX DSP. This is
essential to avoid any interfering signals. This Out
-
put is activated automatically as soon as the boot
-
ing process of the DSP is completed. Additionally
this output will be turned off during the “Power Save
Mode” or a software update process.
17
Output Channels E - F
These connections serve as speaker outputs for the
channels E - F. Never connect the loudspeaker ca
-
bles with the car chassis ground. It damages your
amplifier. Ensure that the loudspeaker systems are
correctly connected (phase), i.e. plus to plus and
minus to minus. Exchanging plus and minus causes
a total loss of bass reproduction. The plus pole is
indicated on most speakers. Output channels E and
F can be loaded with a minimum of 2 Ohms.
18
