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Audio Control FOUR.1i Owner's Manual

In-dash equalizer and pre-amp line driver
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FOUR.1
tm
In-Dash
In-Dash Equalizer and Pre-Amp Line Driver
Owner's Enjoyment Manual
®
making good stereo sound better
®
®
22410 70th Avenue West • Mountlake Terrace, WA 98043 • Phone 425-775-8461 • Fax 425-778-3166

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Summary of Contents for Audio Control FOUR.1i

  • Page 1 FOUR.1 In-Dash In-Dash Equalizer and Pre-Amp Line Driver Owner’s Enjoyment Manual ® making good stereo sound better ® ® 22410 70th Avenue West • Mountlake Terrace, WA 98043 • Phone 425-775-8461 • Fax 425-778-3166...
  • Page 2 ® This page intentionally left blank. Owner’s Enjoyment Manual...

  • Page 3: Table Of Contents

    This product improves the sound quality and performance of A Guided Tour of the FOUR.1i ..... 5 any amplified car stereo system. Our world famous, award- Installation .
  • Page 4 10 • Para-BASS low frequency controls and 11 (Figures 6, 7, & 8). As a matter of reference the FOUR.1i • Pre-amp gain of 20dB is shipped in the following configuration: •...

  • Page 5: Features And Highlights

    The FOUR.1i includes a line driver that takes the weak those in a recording studio. The FOUR.1i has four frequency output voltage of a head unit and increases it up to 20dB (up controls set at 8000Hz, 2000Hz, 500Hz, and 125Hz.
  • Page 6 “good with electronics” choose to install it, For easy balancing between the front and rear speakers the your FOUR.1i still has a 1 year parts and labor warranty. FOUR.1i has four output channels and a fader control.

  • Page 7: A Guided Tour Of The Four.1I

    FOUR.1 In-Dash A GUIDED TOUR OF THE FOUR.1 4. Volume: Because the FOUR.1i is a pre-amp unit, it serves as the main control unit in the audio system. It has a 1. Graphic Equalization Bands: Four stereo con- master volume control that controls the output to all of the trols centered at 125Hz, 500Hz, 2KHz, and 8KHz with 12dB of amplifiers.
  • Page 8 You can wire up the power, of your FOUR.1i. 7. Input Jacks: The FOUR.1i has two sets of inputs, MAIN and AUX. The main inputs should get their signals from the main source unit/head unit. The...
  • Page 9 With these controls you can provide up to 13 tems. When the FOUR.1i is shipped from the factory, the volts (peak) to your amplifier’s inputs. Check with your selector is in the fully isolated position (which is generally amplifier manufacturer’s specs to determine exactly how...

  • Page 10: Installation

    FOUR.1i chassis under the dashboard or glovebox. The vehicle, the FOUR.1i is an ideal pre-amp control that can be screw holes on the FOUR.1i chassis also allow for easy mounted in the front and/or the rear of the vehicle.

  • Page 11: Power Wiring

    “Remote”, allows you to light up the backlighting Remote Illumination of your FOUR.1i. A really cool idea is to connect the illumi- nation wire to a factory dash light dimmer and have the ability to dim the backlighting of the FOUR.1i with your dash lights.
  • Page 12 ® Single Source & Single Amplifier Single Source & Dual Amplifiers Figure 6: FOUR.1i with one source unit Figure 7: FOUR.1i with one source unit, and single amplifier EQX and 2 amplifiers Owner’s Enjoyment Manual...

  • Page 13: Level Matching

    Try listening to that all of the time. By following the level matching steps for the FOUR.1i you will be able to take full advantage of the maximum voltage output of your head unit.

  • Page 14: Adjusting The Equalizer

    “Input Gain” pianos are in this range. Because there is quite a bit of this on the FOUR.1i to avoid clipping the next component in line. If “midrange” in most pop and rock, you’ll probably find the next component in line is an AudioControl component, there yourself reducing this control more than you will boost it.

  • Page 15: Troubleshooting

    FOUR.1 In-Dash TROUBLESHOOTING 2kHz: Our ears are most sensitive to the octave centered at 2 KHz. Reducing it can prevent ear fatigue while boosting Problem Suggestions it will add immediacy, presence and “attack”. No Sound 1. Check “Power” and remote turn on for 8kHz: The 8Khz control is the sparkle in the musical proper voltage.
  • Page 16 ® If You Like The FOUR.1 , You’ll Love... The Concert Series The 3XS is a 4 channel, 2 is our award winning way crossover with breath- dual bandwidth, trunk takingly steep 24dB per mount equalizer with speaker octave slopes. If perfor- level imputs!.

  • Page 17: Warranty

    AudioControl, service your FOUR.1i. If anyone Series FOUR.1i for FIVE YEARS from the date of purchase if other than (a), (b), or (c) messes with your FOUR.1i, that voids installed by an authorized AudioControl dealer, and will fix the warranty.
  • Page 18 However, 120 volts into the to state. Promises of how well your FOUR.1i will perform are input jacks can fry the innards of the poor beasty: (c) Sadistic not implied by this warranty.

  • Page 19: Specifications

    Balanced Outputs ......Yes (switchable) AudioControl, Making Good Stereo Sound Better, Performance Match, The Epicenter, EQL, EQX, FOUR.1i, and Para-BASS are all trademarks of Electronic Engineering and Manufacturing, Inc.
  • Page 20 ® making good stereo sound better ® 22410 70th Avenue West Mountlake Terrace, WA 98043 USA 425-775-8461 • Fax 425-778-3166 © 1998, AudioControl, a division of Electronic Engineering and P/N 9130370 Manufacturing, Inc. All rights reserved...

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