AudioControl LCQ-1 Owner's Manual
page 4
Under the Covers - Internal Jumpers
Here are the internal jumpers that
allow you to customize your LCQ-1
for your particular installation.
for your particular installation.
Output Summing Jumpers:
Many of today’s better factory stereo
systems include separately amplified
and crossed over tweeters, mid-
ranges, and subs. If you are going
to add your own amps and speakers
to the car you will need to combine
(or sum) these separate signals into
a single full-range signal for the new
system. With the LCQ-1, summing
is a snap. The LCQ-1 has internal
jumpers that allow you to select
which input signals will be summed
into the Main outputs. When the
jumper is moved to the “Sum” posi-
tion, there will also be a correspond-
ing green indicator light on the front
of the LCQ-1. The shipped-from-
the-factory setting is in the non-summed (Separate) position.
systems include separately amplified
and crossed over tweeters, mid-
ranges, and subs. If you are going
to add your own amps and speakers
to the car you will need to combine
(or sum) these separate signals into
a single full-range signal for the new
system. With the LCQ-1, summing
is a snap. The LCQ-1 has internal
jumpers that allow you to select
which input signals will be summed
into the Main outputs. When the
jumper is moved to the “Sum” posi-
tion, there will also be a correspond-
ing green indicator light on the front
of the LCQ-1. The shipped-from-
the-factory setting is in the non-summed (Separate) position.
Ground Isolation Selector: Occasionally alternator noise may appear in
a system because the source unit and amplifier are using different grounding
schemes. To help in this situation, we have provided alternative grounding con-
nections. Make sure your system is turned OFF before you move these jump-
ers. We ship them in the Isolated position, which usually gives the best results.
schemes. To help in this situation, we have provided alternative grounding con-
nections. Make sure your system is turned OFF before you move these jump-
ers. We ship them in the Isolated position, which usually gives the best results.
GTO™: Many cars can turn on the factory amplifier even if the source
unit is off (Alarms, Cell phones, etc). To prevent this from turning your system
on unexpectedly, you can bypass the GTO™ circuit by moving the GTO™
jumper, and using an applied 12-volts at the Remote In terminal. Using the
jumper may result in some factory features not working fully. We ship them
with the GTO™ in the “On” position
on unexpectedly, you can bypass the GTO™ circuit by moving the GTO™
jumper, and using an applied 12-volts at the Remote In terminal. Using the
jumper may result in some factory features not working fully. We ship them
with the GTO™ in the “On” position
AutoMode: Some cars have unusual signals on their speaker leads and
will not be easily read by the AutoMode circuit. When this occurs you can
manually turn off the AutoMode function. This is done by moving the internal
AutoMode jumper to “Defeat”. In this mode, you will need signal on the Chan-
nel 2 inputs to output signals on the Channel 3 output. We ship them with the
jumpers in the “On” position
manually turn off the AutoMode function. This is done by moving the internal
AutoMode jumper to “Defeat”. In this mode, you will need signal on the Chan-
nel 2 inputs to output signals on the Channel 3 output. We ship them with the
jumpers in the “On” position
Awesome Information
AccuBASS™ Processing
Factory installed amplifiers and woofers are (unfortunately) not designed to
reproduce bass at high volumes. Car manufacturers adapt to this by taking the
bass out of the signal when you turn up the volume. AudioControl developed
the patent pending AccuBASS™ circuit to restore bass. After a quick and easy
one-time setting, the AccuBASS™ circuit takes over the bass just as the fac-
tory system rolls off. You get smooth, seamless, and rock solid bass response
regardless of volume level.
bass out of the signal when you turn up the volume. AudioControl developed
the patent pending AccuBASS™ circuit to restore bass. After a quick and easy
one-time setting, the AccuBASS™ circuit takes over the bass just as the fac-
tory system rolls off. You get smooth, seamless, and rock solid bass response
regardless of volume level.
Figure 3: Shows how the AccuBASS™ operates to correct for the factory bass roll-
off
off
Setting the AccuBASS™ is a simple one-time operation:
After you have hooked up the system and are playing music, play some-
thing with a good bass line, and set the volume at low.
• On the LCQ-1, set the AccuBASS Level Control to 12:00 and set all the
EQ controls to flat.
• Turn the Threshold fully down (counter clockwise)
• Now turn up the volume on your stereo until you hear the bass start to
• Now turn up the volume on your stereo until you hear the bass start to
drop out in relationship to the high frequencies and leave the volume there
• Turn up the Threshold control until you hear the bass come back up
• Use the level control to fine tune the amount of bass remix you want
You’re done! Now, every time the stereo gets to that volume, the Accu-
• Use the level control to fine tune the amount of bass remix you want
You’re done! Now, every time the stereo gets to that volume, the Accu-
BASS™ will take over and re-equalize the bass. You have smooth seamless
bass at all volumes, and with the level control you can even give it a little
extra kick if you want. Your music your way!
bass at all volumes, and with the level control you can even give it a little
extra kick if you want. Your music your way!