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LINE LEVEL
INPUT
LEVEL
Functions and Controllers: MXB280 / MXB2175
FILTER - selector
Selects the desired operation mode of the amplifier.
Position HIGH PASS:
Highpass-Filter - The frequency will be limited to below,
adjustable by the HIGH PASS controller.
Position FLAT:
A Full Range Signal (Complete Frequency Range) without
filtering will be amplified.
Position LOW PASS:
Lowpass-Filter - The frequency will be limited to above,
adjustable by the LOW PASS controller.
HI INPUT - inputs
The High level Inputs are suitable for
connecting the loudspeaker wires of the
head unit, if the head unit is not
equipped with pre-amplifier RCA line
outputs.
Never use the HI INPUTS and the
RCA Inputs at the same time.
HIGH PASS - controller
Adjusts the cut-off frequency of the highpass filter.
The range is adjustable from 60Hz to 1.2 kHz.
LOW PASS - controller
Adjusts the cut-off frequency of the lowpass filter.
The range is adjustable from 40Hz to 150Hz.
INPUT LEVEL - controller
Adjusts the Input Sensitivity
from 0.2 to 4 Volts.
BASS BOOST - controller
Adjust the bass boost from
0dB up to 12dB.
POWER - LED
Indicates that the amplifier is
in standard operation.
PROTECT - LED
If this LED lights up red, the following may occurred:
a.) Overheating
b.) Short circuit on the loudspeakers
c.) Overloading (e.g. by too low impedance)
d.) Malfunction of the amplifier
Find more information in the chapter “Trouble Shooting”!
INPUT - jacks
Connect the RCA Inputs with the line
outputs of the headunit.
OUTPUT - jacks
These outputs provide a full range line
output signal to drive additional amplifiers.
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