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Six Channel Line Output Converter with AccuBASS™ for
interfacing with factory installed audio systems
The LC7i transforms your under-performing factory audio sys-
tem into a supreme audio machine! It is a compact, six-channel,
high-performance active line output converter with AudioControl's
patent-pending AccuBASS™ compensation that corrects the bass
roll-off present in many factory equipped audio systems. The LC7i
accepts up to six channels of speaker-level signal from factory-
installed amplifiers or a source unit and converts it to a high-
quality, after market low-noise, pre-amp level signal that can be
fed to amplifiers and speakers. You may also add an optional
ACR-1, remote level control, so you can adjust the output of the
bass channels from the convenience of the driver's seat. With the
LC7i you have a high performance audio system while maintaining
tried to cover all possible situations and have included lots of facts
and useful information. For more information visit our web site at
http://www.audiocontrol.com
where you stopped reading last time! We've
Making Good Sound Great
the features, functions and
aesthetics of your factory
source unit!
This manual covers the
features, functions, instal-
lation and usage of the
LC7i so please take a few
moments to read through
it. If it's easier, read 140
characters at a time, just
make sure to remember
®
page 1
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Summary of Contents for AudioControl LC7i
- Page 1 AudioControl’s patent-pending AccuBASS™ compensation that corrects the bass roll-off present in many factory equipped audio systems. The LC7i accepts up to six channels of speaker-level signal from factory- installed amplifiers or a source unit and converts it to a high- quality, after market low-noise, pre-amp level signal that can be fed to amplifiers and speakers.
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Page 2: Quick Install Guide
Quick Install Guide Since some of you high energy enthusiasts will want to install your LC7i on your own, we offer a few reminders in the following short section to speed up your installation. You should also refer to diagrams on page 9 as guidelines. - Page 3 LC7i. In many cases you can find factory speaker leads in the rear of the vehicle or at the factory amplifier. Note: If your source unit has front, rear, and subwoofer speaker- level outputs, connect them to the three sets of inputs on your LC7i.
- Page 4 Specifically, if the original factory system communicated via the factory amp and speakers, it cannot do so if the amplifier is off. We ship the LC7i with GTO™ in the “On” position. 4. AutoMode: Some cars have unusual signals on their speaker leads and will not be easily read by the AutoMode circuit.
- Page 5 If your source unit has front, rear, and subwoofer speaker-level outputs, connect them to the three sets of inputs on your LC7i. If the source unit only has front and rear outputs, the AutoMode circuitry in your LC7i auto- matically routes the Channel 2 signal to the Channel 3 (subwoofer) output.
- Page 6 ‚ AccuBASS™ Controls: The threshold and level controls let you determine when the AccuBASS™ circuit activates and the level of bass correction desired. More info on page 8. ƒ Ground: Connect to a good, verified chassis ground. Warn- ing: factory radio ground wires already have multiple devices con- nected to them and are not recommended.
- Page 7 … Remote In: In some installations, you may not want to use the GTO™ to turn on your system. For these cases the LC7i can be turned on remotely with a +12-volt trigger. When you use the +12-volt remote in, you should set the internal GTO™ jumper (see “Under the Hood”...
- Page 8 • On the LC7i, set the Ac- cuBASS™ Level Control to the 12:00 position. • Turn the Threshold fully down (counter clockwise). • Now turn up the volume on your stereo until you hear the bass...
- Page 9 6) input signals from the factory source unit into 2 channels. In some vehicles there is an actively crossed-over tweeter, midrange, and woofer all in the front of the vehicle. The LC7i lets you take all of those signals and sum them together to get a high-quality, full-range, pre-amp signal.
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Page 10: Custom Installation
Custom Installation For that custom, finished look, the dash control can be flush mounted directly on the dashboard (or anywhere else). Disas- semble the dash control from the mounting bracket. Start by pushing the LED from its holder followed by removing the circuit board and rotary control from the bracket. - Page 11 Basic Factory Upgrade System If the factory radio doesn’t have a bass output, the LC7i will provide it via automode. Upgrade for Factory System with Remote Mounted Factory Amplifier page 11...
- Page 12 LC7i. With this map you can follow each input through the processor. If you have an issue with the hook-up of your LC7i and need to call for technical assistance, please have this diagram available.
- Page 13 If you meet all of these conditions, we will warranty all materials and work- manship on the LC7i for one year from the date you bought it (five years if it is installed by an authorized United States AudioControl dealer) and we will fix or replace it, at our option, during that time.
- Page 14 This is the only warranty given by AudioControl. This warranty gives you specific legal rights that vary from state to state. Prom- ises of how well the LC7i will perform are not implied by this war- ranty. Other than what we have covered in this warranty, we have no obligation, express or implied.
- Page 15 Making Good Sound Great ©2012 AudioControl, Inc. All rights reserved AudioControl, Making Good Sound Great, LC7i, AccuBASS, GTO and AutoMode are all trademarks of AudioControl Inc. This manual was conceived, designed, and written while on a road through the Pacific Northwest on a spectacularly rare, sunny, and cloud- less day.
- Page 16 ® Making Good Sound Great 22410 70th Avenue West Seattle, WA 98043 USA Phone 425-775-8461 • Fax 425-778-3166 www.audiocontrol.com P/N 913-115-0...
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