Input Level
Min Max
ADJUSTMENTS AND SETTINGS
The Hypnotic amplifiers are equipped with built-in variable crossover networks allowing
you to select the crossover mode (i.e. Low-Pass/Full/High-Pass or On/Off) and the
desired crossover point. For example if you wish to drive a pair of subwoofers, you can
select the “Low Pass” setting on the amplifier to filter out high frequencies. This will send
only low frequencies to your subwoofers (see example settings below). The crossover
point should be determined by the speakers operating range. Please refer to speaker
manufactures recommended crossover point.
FINE TUNE THE SYSTEM
Fine tune the amplifier’s input sensitivity
The gain sensitivity control for the “Vertigo Series” amplifier is located on the side panel.
This gain control has been included to allow adjustment to properly match the output of
the radio. This is one of the most misunderstood adjustments. By rotating the control in
the clockwise direction, the amplifier’s input will become more sensitive and the music will
play louder. This is not a volume control and you will not get more power out of the
amplifier in the maximum position! It may seem to deliver more output, but actually the
system is only playing louder faster as you turn the volume control on the radio. Ideally, to
properly level match the system the goal is to achieve maximum output from the amplifier
without distortion at about ¾ of the volume control.
To determine if the amplifier’s gain is set properly, turn the system on and slowly increase
the volume control. You should be able to use about ¾ volume before the system gets
loud but not distorting. It is very important when making these adjustments that you do not
over drive the speakers (at point of distortion) this will cause permanent damage to the
speakers. If you are unable to achieve ¾ volume before distortion you will need to adjust
gain control (in this case you would reduce the gain). The gain controls should be
adjusted very slowly. It may help to have another person to assist you by adjusting the
gain controls while you listen for distortion.
11 12
X-OVER BASS BOOST
LEVELLPFHPF HPF
INPUT OUTPUT INPUT
X-OVER
LEVEL
CH3&4
CH1&2
HPF FULL
LPF
MIN MAX
12 6
0
HPFFULL
MIN MAX
POWER
PROTECT
120Hz 3kHz120Hz 3kHz 50Hz 250kHz
CH4
CH3
CH2
CH1
CH2
CH1
Filter selection for channel 1 & 2
Bass Boost @ 45Hz
*0, 6dB, 12dB Channels 3 & 4
Only in Lowpass
Filter selection for channel 3 & 4
Adjust the frequency to the
desired point for speakers 1 & 2.
Adjust High Pass Frequency
Adjust Low Pass
Frequency
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