Vibe Pulse Series Owner's Manual page 6

Terminals And Connections
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1. Low level input / RCA Cables
For connection to any source with a low level output. Connect this to the RCA outputs
on your headunit.
• Please take extra care when running RCA cables from the source to the amplifier.
Ensure that they are placed away from all items that can generate any interference,
such as wiring harnesses etc.
• It is recommended that the RCA cables should be run on opposite sides of the car to
the previously installed power cables if possible, to avoid the cable picking up
interference.
2. High level input / Remote turn on
For connection to a source unit without low level outputs. Connect this to the front or
rear speaker wires of the headunit ensuring that the polarity (positive and negative) is
correct.
REM should be connected to the remote turn on wire from the headunit when not using
Autosense.
3. Gain control
Used to match the input signal of the headunit to the amplifier. See the setup section
for more details. Please note – the gain control is not a volume control it is a level
match.
4. Crossover frequency control
This will allow you to set the frequency at which the amplifiers low pass filter will take
affect. This is variable from 50 – 250 Hz. 50 Hz will produce only low frequencies (deep
bass), 250 Hz will produce low and higher, more punchy bass response.
5. Bass boost
This will allow you to boost the bass at a frequency of 45 Hz and is variable from
0 –12dB
Please note – by boosting +12dB you are asking the amplifier to work 8 times harder.
6. Power/protection LED's
When the amplifier is wired and installed correctly the white LED on the front of the
amplifier will illuminate to indicate the amplifier is operating correctly.
If the amplifier is incorrectly wired or an abnormal situation occurs such as speaker
cables shorting the blue protection LED will illuminate.
7. Fuse
Ensure the correct value ATC fuse is fitted, never fit a fuse with a rating higher than
specified : 20 amps .
8. Power Input Terminals
See Power Connections on Page 4 for more details.
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