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Hifonics X4-Andromeda Manual

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19
OPERATING INSTRUCTIONS
FUNCTIONS AND OPERATIONAL CONTROLS
1
The LINE INPUT RCA jacks must be connected with the RCA output jacks of the headunit.
By connecting only the CH1/2 jacks, the INPUT MODE switch must be set to the 2CH position.
2
POWER/PROTECT (also featured on the bass remote controller)
If the POWER LED lights up, the amplifier is ready for operation.
If the PROTECT LED lights up, a malfunction is indicated. Check in this case the chapter TROUBLE SHOOTING.
3
4
The BASS BOOST CH1/2 and CH3/4 controllers adjust the bass boost enhancement continuously from 0dB to +18dB at
45 Hz for the regarding channel pair (Channel 1/2 or Channel 3/4).
5
The CH1/2 and CH3/4 X-OVER switch selects the required operation mode of the amplifier on the regarding channel pair (Channel
1/2 or Channel 3/4).
Position LP/BP: Lowpass mode (the higher frequencies will be eliminated. Adjustable by the lowpass controller.)
The HIGH PASS controller works in this operation mode as subsonicfilter and eliminates the lower frequencies (Bandpass-Mode).
NOTE: If this controller is turned to a higher value than the lowpass controller, no sound is hearable.
Position HP: Highpass mode (the higher frequencies will be eliminate. Adjustable by the highpass controller.)
Position FULL: Fullrange mode (the whole frequencies will be amplified). The controllers LOW PASS, HIGH PASS and
BASS BOOST are without function.
6
The LOW PASS CH1/2 and CH3/4 controllers adjust the cut-off point of the frequency range to above for the regarding channel
pair (Channel 1/2 or Channel 3/4). The cut-off frequency is continuously adjustable from 40 Hz to 4000 Hz (4 kHz).
7
The INPUT MODE switch must be in 2CH position, if you connect only one RCA stereo audio cable with the CH1/2 line inputs.
Select the position 4CH, if you connect two RCA stereo audio cables with CH1/2 and CH3/4 line inputs.
The fader function of your headunit works only in the 4CH mode.
If you have select the 2CH mode, the input signal of LINE INPUT CH1/2 will be routed to the channelpair CH3/4. Due to this, only
one RCA stereo audio cable is required and no Y-Adaptors are required.
8
The REMOTE port is for the cable of the enclosed bass remote controller and only to use in the LP/BP mode. With this bass
remote controller, you are able to adjust the bass level from CH3/4 e.g. from the driver’s seat. Please use only the enclosed
bass remote controller and cable.
9
The HIGH PASS CH1/2 and CH3/4 controllers adjust the cut-off point of the frequency range to below for the regarding channel
pair (Channel 1/2 or Channel 3/4). The cut-off frequency is continuously adjustable from 10 Hz to 4000 Hz (4 kHz).
10
The LEVEL CH1/2 and CH3/4 controllers adjust the input sensitivity of the amplifier to align the audio signal of the head unit
for the regarding channel pair (Channel 1/2 or Channel 3/4). The input sensitivity is adjustable from 9 to 0.2 Volts.
11
12
The LINE OUT RCA jacks provide a linear summed fullrange audiosignal to supply an additional amplifier.
The optional BALANCED INPUT is unlike the regular RCA-cables insusceptible against interspersion and interferences of the
vehicle’s electronics. You need therefor a Balanced-Line-Transmitter with a special cable, which can be connected between the
head unit and the amplifier. The Balance-Line-Transmitter is not included in delivery. Check the information on page 31.
Never use the Balanced-Input and the RCA-Inputs at the same time.
The STEREO 12 dB / MONO 24 dB push button advanced the slewrate of the lowpassfilter of CH3/4 to 24db/octave.
Switch only on 24dB, when you run the amplifier in bridged mode on CH3/4 with a subwoofer.
LP/BP FULL HP
HIGH PASSLOW PASS
LP/BP FULL HP
REMOTE
POWER
PROTECT
LINE OUTPUT
SUMMED CH1/2/3/4
FULL RANGE
L
R
BASS BOOST
BASS BOOST
CH3/4
CH1/2 CH1/2
LEVEL
CH3/4
LEVEL
CH1
CH2
CH3
CH4
LINE INPUTS
CH1/2
CH3/4
BALANCED
INPUTS
STEREO
MONO
12dB
24dB
4CH 2CH
INPUT MODE
LOW PASS
X-OVER MODE CH1/2
HIGH PASS
X-OVER MODE CH3/4
1 42 5 6 7 8 9 11 123 10
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