5
Controls and functions – GZTA 5125X
6
Controls and functions
1 Speaker terminals For connection of the speakers
2
Power terminals
GND -> Ground connection
REM -> Remote antenna terminal
BATT -> +12 Volt
3 Satus indication
GREEN
OK
RED – Error
4 Cinch inputs
Terminal for connection of the RCA wires.
To avoid failure, please use high quality RCA wires.
5 Input level controlle
With this controller you can adjust the input sensitivity.
6 Mode switch
djust the crossover for the chosen utilization.
LPF – Only bass frequencies (below 40Hz - 4000Hz) (G
ZTA 5120X
Channel 5: 40Hz – 250Hz) will be reproduced.
FULL – All frequencies will be reproduced.
HPF – Only middle and high frequencies (
GZTA 5125X
: over 5 Hz –
4000 Hz /
GZTA 5120X
: over 40 Hz – 4000 Hz ) will be reproduced.
GZTA 5125X:
At LPF adjustment, also the Highpass (Subsonic) is activated.
This equals a Bandpass filter of 5 – 4000 Hz.
7 Low pass controller
Only frequencies from 40 Hz to 4000 Hz (
GZTA 5120X
Channel 5: 40
Hz – 250 Hz) will be reproduced (depending on the LPF filter controller
position). Set the filter switch to „LOW“ (“LP”) position. Adjust the
variable LPF frequency to the desired frequency using the controller.
8
High Pass controller
(Subsonic)
Set the filter switch to „HIGH“ position.
Adjust the variable HPF crossover frequency to the desired frequency
using the controller. All frequency between 5 and 4000 Hz (
GZTA
5120X
: 40 Hz – 4000 Hz) will be reproduced.
9 Filter controller
Depeding on the mode switch position, High- or Lowpassfilter can be
adjusted in a range from 40 Hz – 4000 Hz with this controller.
10
Subsonic controller
(GZTA 5120X Channel 5)
For adjusting the subsonic filter in a range from 10 Hz to 50 Hz.
11 Input mode switch
This switch allows you to choose the number of used cinch inputs.
ll
6 channels of
GZTA 5125X
can be operated with a 2- channel Cinch
cable.
You can chose if the 5
th
channel of
GZTA 5120X
should be operated
with Cinch input 5/6 or the summation of input 1/2/3/4.
12 Phase Shift controller
This controller allows you to fit the subwoofer channel of
GZTA 5120X
in-phase to the front system.
14 Remote control input For connection of the bass remote control.
Input Mode GZTA 5125X
2: This adjustment allows you to operate all 6 channels using the Cinch- Input Ch 1 and Ch 2. This is
recommended for active operation of a 3 way front system. For using this possibility, connect for example the
front cinch output of your headunit to the Ch 1/2 of the amplifier.
4: The channels 5 and 6 will be operated using the summarized signal from channel 1/2 and 3/4.
This mode is suggestive if channel 5 and 6 are only used as subwoofer channels.
For using this possibility, connect for example the front and rear cinch output of your headunit to the Ch 1/2 and
Ch 3/4 of the amplifier.
6: This adjustment allows you to operate every channel with an own signal. Using this possibility, every channel
can be adjusted by your head unit or processor separately.
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