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OPERATING INSTRUCTIONS
FUNCTIONS AND OPERATIONAL CONTROLS
POWER
PROTECT
L
R
SLAVE INPUT LINE OUTPUT
MASTER OUTPUT
SUB BOOST Q-CONTROL FREQ RANGE PHASE SHIFT SUB SONIC LOW PASS
LEVEL REMOTE IN REMOTE OUTBALANCED INPUT
LINE INPUT
L
R
EXTENDED BASS CONTROL
MASTER SLAVE
OPERATION MODEX-OVER MODE
FULL LP
5 6 71 3 4 92 10 118 12
The PHASE SHIFT controller allows to adjust the phasing between 0° and 180°. Thereby you are able to adjust the
subwoofer perfect to the vehicle’s acustics.
The OPERATION MODE switch selects the required operation mode of the amplifier.
In the SLAVE-Mode the amplifier works as a SLAVE amp, this means only the audiosignal of the MASTER amp will be amplified.
All controllers on the SLAVE Amp are without function and will be assumed by the MASTER amp.
In the MASTER-Mode all controllers are active.
NOTE: By using only one amplifier, the Mode-Switch must set to the position MASTER.
The MASTER OUTPUT/SLAVE INPUT jacks are suitable to connect an additional amplifier in MASTER/SLAVE mode.
Attend therefor the chapter Interconnection Example: MASTER/SLAVE on page 21.
1
The LINE INPUT RCA jacks must be connected with the RCA output jacks of the headunit.
2
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.Never use the Balanced-Input and the
RCA-Inputs at the same time.
4
The LOW PASS controller adjusts the cut-off point of the frequency range to above. The cut-off frequency is continuously
adjustable from 40 Hz to 250 Hz.
5
7
8
The LEVEL controller adjusts the input sensitivity of the amplifier to align the audio signal from the head unit.
The input sensitivity is adjustable from 9 to 0.2 Volts.
The REMOTE IN 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 e.g. out of the driver’s seat. Please use only the enclosed bass remote
controller and cable.
The REMOTE OUT port is suitable to connect the bass remote link cable of an additional amplifier of the HiFONICS X3 or X4
Series (only in MASTER-Mode). Hence, you are able to control several amps with only one bass remote. Check Page 23.
9
3
The SUB SONIC controller (Subsonicfilter) limits the ultralow and not hearable frequencies of the audiosignal to below, to avoid
a mechanical and electrical overloading on the subwoofer. The range is adjustable from 15 to 55 Hz and depends on the size
of the subwoofer. NOTE: If this controller is turned to a higher value than the LOW PASS controller, no sound is hearable.
6
10
11
POWER/PROTECT
If the POWER LED lights up, the amplifier is ready for operation.
If the PROTECT LED lights up, a malfunction is indicated. Please note the chapter TROUBLE SHOOTING.
12
The LINE OUTPUT RCA jacks provide a linear audiosignal to supply an additional amplifier.
The EXTENDED BASS CONTROL controllers allow a extensive adjustment of the bass frequencies.
The SUB BOOST controller defines the bass bosst from 0 to 18dB. With the FREQ RANGE controller you are able to adjust,
on which frequency the bass boost (SUB BOOST) is effictive. The range goes from 20 to 80 Hz.
With the Q CONTROL controller defines the Q-Factor of the crossover continuously, so that
the playback quality of the cut-off frequency can be adjusted. Thereby you are able to adjust
perfect transitions between the loudspeakers.
WIDE Q-Factor of Q 0,3 (arrow left below) = very wide frequency range.
NARROW Q-Factor of Q 1,0 (arrow right below) = very narrow frequency range.
Q 0,5 LINKWITZ-REILLY (Standard-setting, 12 o’clock position).
• Q 0,7 BUTTERWORTH (3 o’clock position)
The X-OVER MODE switch selects the required operation mode of the amplifier.
In the LP-Mode (Low Pass mode) you are able to limit the frequencies to above or below with the LOW PASS or SUBSONIC
controller.
In the FULL-Mode a full range signal will be provided to the speakers. The controllers PHASE, LOW PASS, SUB SONIC and
the BASS REMOTE are without function.
+6dB
+12dB
+18dB
0dB
20Hz 40Hz 60Hz
Q = 1,0
Q = 0,3
19


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