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Set Up Section
Gain Control Setting
To correctly set the gain control of the amplifier to match that of the source (headunit) use
the following setup routine:
• Turn the gain control to minimum on the amplifier.
• On the headunit set all crossovers to flat and both bass and treble to zero.
• Turn up the source (headunit) to approximately 3/4 volume.
• Very slowly turn up the gain on the amplifier until distortion can be heard in any of
the speakers or until the volume reaches an uncomfortable listening level when this is
reached turn down the gain control slightly.
• Do not increase the level so much that the subwoofers are driven into distortion as this
will cause damage to the product that will not be covered under warranty.
The gain control is now set.
Crossover Setting
All VIBE active enclosures come with a built in frequency control. This will allow you to set
the frequency at which the crossover filter will take affect. It is variable from 30 Hz - 150
Hz. 30 Hz will produce only low frequencies, very deep bass. Whilst 150 Hz will produce
low and higher punchy bass frequencies. In the correct set up the bass should not be
overly prominent, although some users may wish to have a bigger bass presence.
To set this correctly follow the following routine:
• Firstly set the gain control correctly as described above.
• Play a known piece of dynamic music through the entire system.
• Use the frequency control to blend the frequencies from the subwoofer into the rest of
the vehicle so that the bass coming from the enclosure disappears or blends in with the
rest of the car speakers.
The crossover is now set.
Run In Procedure
VIBE recommends that you follow the run in procedure for the subwoofer detailed below.
• When your subwoofer is used for the first time, naturally like most brand new items it
is very stiff and rigid. It will take time for the moving parts of the subwoofer to loosen up
before the subwoofer is ready to deliver it's full potential.
• For the first 30 hours it is recommended that you play the subwoofer initially at low to
medium volumes and gradually increase the volume as time progresses.
• As a guide if you listen to your subwoofer for one hour every day it will take a month to
run in.
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