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Hardware configuration
2. Connecting the pre-amplifier input
The lowlevel line input can be connected to
signal sources such as head units, radios,
DSPs and DSP amplifiers using appropriate
cables. The input sensitivity can be optimal-
ly adapted to the signal source using the gain
control (see page 15, point 6).
Important: It is strictly forbidden to use the
Highlevel and lowlevel Line Input at the same
time as this may cause severe damage to the
signal source.
3. Connecting the highlevel speaker inputs
The highlevel loudspeaker inputs A and B can
be connected directly to the loudspeaker out-
puts of the signal source (e.g., head units, ra-
dios, DSPs, DSP amplifiers) using appropriate
cables (loudspeaker cables with 1 mm² / AWG
18 max.).
The Highlevel Input is equipped with our pro-
prietary ADEP.3 circuit (Advanced Diagnostics
Error Protection 3rd generation) which ensures
that the car radio detects the amplifier as a
speaker and thus neither any function of the ra-
dio (e.g. fader) will be deactivated nor any error
log in the CPU of the car will be created. If this
input is used, the remote input (REM) does not
need to be connected, as the amplifier will au-
tomatically turn on once a loudspeaker signal
is applied.
Attention: Solely use the pluggable screw-ter-
minal for the highlevel connector included in the
delivery!
Important: It is strictly forbidden to use the
Highlevel and lowlevel Line Input at the same
time as this may cause severe damage to the
signal source.
4. Adjusting the filter mode of the internal
crossover
The UP 1FX is equipped with a DirectDSP func-
tion, which allows you to bypass the internal
crossover. You can activate or deactivate this
function using the X-Over switch (see page 12,
point 1).
DirectDSP: In this mode, the internal crossover
is deactivated, and the input signal is passed
unfiltered to the output stages of the amplifier.
14
Bandpass: When the switch is set to this po-
sition, the internal crossover is active, and a
15 Hz highpass filter (Subsonic) is always ac-
tive. This means a bandpass is created. By
using the lowpass filter control (LPF, page 12,
point 2) the bandpass can be adjusted between
50 Hz and 250 Hz.
5. Connection to power supply & remote
Make sure to disconnect the battery before
installing the MATCH UP 1FX!
Ensure correct polarity.
+12 V: Connector for the positive cable.
Connect the +12 V power cable to the positive
terminal of the battery. The positive wire from
the battery to the amplifiers power terminal
needs to have an inline fuse at a distance of
no more than 12 inches (30 cm) from the bat-
tery. The value of the fuse is calculated from
the maximum total current input of the whole
car audio system (UP 1FX = max. 60 A RMS at
12 V RMS power supply). If your power wires
are short (less than 1 m / 40") then a wire gauge
of 16 mm² / AWG 6 will be sufficient. In all other
cases we strongly recommend gauges of 25 -
35 mm² / AWG 4 – 2!
GND: Connector for the ground cable. The
ground wire should be connected to a common
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 pre-
pared metal location on the vehicle chassis, i.e.,
an area cleaned of all paint residues. The cable
should have the same gauge as the +12 V wire.
Inadequate grounding causes audible interfer-
ence and malfunctions.
REM: The remote input is used to switch on and
off the UP 1FX. It is mandatory to connect this in-
put to the remote output of the preconnected de-
vice that provides the input signal to the UP 1FX.
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