Related Manuals for AudioControl EQL Concert Series
Summary of Contents for AudioControl EQL Concert Series
- Page 1 Concert Series EQUALIZER/LEVEL MATCHER OWNER’S MANUAL ® making good stereo sound better ® ® 22410 70th Ave. W., Mountlake Terrace, WA 98043 Phone 425-775-8461 • Fax 425-778-3166 www.audiocontrol.com...
-
Page 2: Table Of Contents
Concert Series Owner’s Manual Table of Contents Quick Installation Info Refer to Figures 4, 5, and 6 (on pages 9, 10, and Introduction ........1 11) when installing the EQL Equalizer. Description ........4 The unit is shipped from our factory with Installation ........8 the Programmable Frequency Match filter module set at 30 Hz (see page 18 to change... -
Page 3: Introduction
Pacific Northwest. When you look inside the and innovative audio products available for rugged two-piece steel chassis, you’ll find we your car stereo system – the AudioControl use only premium electronic parts and gold- EQL Equalizer/Level Matcher. plated RCA jacks. - Page 4 Concert Series Owner’s Manual Ø Ø Dual Bandwidth Equalizer – 13 bands Balanced Input The dual bandwidth design of the EQL The EQL takes noise rejection a step fur- concentrates more control in the lower ther than the average by incorporating bass frequencies where the interior of an balanced differential input circuitry.
- Page 5 Your AudioControl dealer has control. Speaker level signals can be run the training and tools to take care of the job...
- Page 6 Concert Series Owner’s Manual Figure 1.Top panel layout for EQL Equalizer/Level Matcher.
-
Page 7: Description
Description Description also includes several indicators to confirm power and help set output levels. We’ve created the EQL Equalizer/Level Ø HALF OCTAVE BASS EQUALIZER – six Matcher to make any system sound better. half-octave bass equalizer controls for This Performance Match™ Component each channel with frequency centers at features straightforward connections and 31.5, 45, 63, 90, 125, and 180 Hz. - Page 8 Concert Series Owner’s Manual Figure 2. Front panel layout for EQL Equalizer/Level Matcher. High Level Equalize Input Line Level Output Input Remote Ground + – – + Connections and Equalizer Bypass Ø LINE LEVEL INPUT – RCA jacks for con- nection of low-level stereo signals from a The front panel contains power and input/ head unit.
- Page 9 Description Programmable Frequency Match Filter Module and Ground Isolation Selector (Inside) The Programmable Frequency Match fil- ter module, as well as the Ground Isolation Selector, are internal and can be accessed by removing the four top screws and lifting the top panel off the base, as shown in Figure 3 (also see Figure 8 on page 19).
-
Page 10: Installation
Concert Series Owner’s Manual Installation Installation Precautions Ø Do not mount the EQL Equalizer/Level We strongly suggest you have the EQL profes- Matcher where it will be exposed to outside sionally installed, but if you are doing it solo elements or extreme temperatures. Avoid this section lists the procedures you’ll need to areas that are subject to extreme road vibra- install the EQL in your vehicle. - Page 11 Installation Figure 4. Wiring diagram for EQL Series II in a single amplifier system.
- Page 12 Concert Series Owner’s Manual Figure 5. This wiring diagram shows a 3-way system that uses an EQL with an ESP-2 Spatial Restoration Processor and a 4XS used as a 3-way Crossover.
- Page 13 Installation Figure 6. Wiring diagram shows an EQL with an AudioControl System90 Powered Signal Processor in Bi-Amp Mode.
- Page 14 Concert Series Owner’s Manual WARNING Connecting the EQL Before installation, turn off the 1. Connect +12 Vdc and Ground from the power to the head unit or radio and vehicle’s electrical system to the corre- disconnect the negative (-) lead of sponding +12 and GROUND terminals your vehicle’s battery.
- Page 15 Installation 3. Adjust the INPUT GAIN control until (i.e.,“-18”). Set all OUTPUT LEVEL controls the yellow INPUT MAXIMIZED starts to for maximum attenuation (i.e.,“- ∞”). Press flicker. Now back the control off until the the EQUALIZE button IN. LED goes out. 4.
- Page 16 Concert Series Owner’s Manual Adjusting the EQL (cont’d) are in a real hurry, you can set the equal- izer by ear. NOTE: Consult the amplifier owner’s manual 10. Listen to the vocals and instruments, and for information on setting its input sensitivity. If adjustable, set each amplifier to accept a signal trying cutting the frequencies in the mid- between 1.0 and 2.0 volts (1000 and 2000 mV).
- Page 17 Using a Real Time Audio Analyzer (RTA) For a really well-balanced system, we highly recommend using a Real Time Analyzer (like the AudioControl SA-3055) to adjust your vehicle’s sound system. This tool is especially helpful in performing the initial adjustments for multi-amplifier installations.
-
Page 18: Upgrading A Factory (Oem) System
Concert Series Owner’s Manual Upgrading A Factory It’s as simple as moving the wires from the speakers to the EQL. Don’t worry, the EQL (OEM) System is designed to effortlessly handle the higher signal levels coming from the factory radio, Replacing a factory (OEM ) radio gets harder each model year. - Page 19 Upgrading Factory Systems Figure 7. Wiring diagram shows a factory (OEM) system upgraded with the EQL and an AudioControl System90 Powered Signal Processor to cre- ate a superlative 2-way system.
-
Page 20: Making Your Own Programmable Frequency Match Modules
Concert Series Owner’s Manual Making Your Own 7200 = Resistor Value (in kohms) Frequency (in Hz) Programmable Frequency Match Modules EXAMPLE – For a 25 Hz filter, the The EQL comes with an 18 dB per octave Pro- formula yields a resistor with a value of grammable Frequency Match low-cut filter 7200 module already set to 33 Hz. - Page 21 Making Modules Doing The Deed INNARDS (top view) 1. Turn the system power off. 2. Remove the top panel and locate the Pro- grammable Frequency Match module, as shown in Figure 8. 3. Change the module. 4. Replace the top panel and tighten the screws.
-
Page 22: Troubleshooting
Concert Series Owner’s Manual Troubleshooting Problem Try This Problem Try This Hiss Turn down the input levels No Sound Make certain the PFM module on the amplifier. Use the is installed. See page 19. output controls on the EQL Are the input and output to bring the volume back up. - Page 23 With your source unit all the way up it is at fill your vehicle with concert hall sound. its maximum S/N ratio, not to mention ap- So visit an authorized AudioControl dealer proaching its highest voltage out. Pipe this and ask a salesperson about them.
-
Page 24: Warranty
Concert Series Owner’s Manual Warranty by an authorized AudioControl dealer, and will fix or replace it, at our option, during People are scared of warranties. Lots of fine that time. For you do-it-yourselfers we will print. Lots of noncooperation. Months of warrant your EQL for One year. - Page 25 AudioControl Factory; (b) an authorized wrong. service center; or (c) someone authorized in writing by AudioControl service your Assuming you conform to numbers 1 EQL. If anyone other than (a), (b) or (c) through 5, and it isn’t all that hard to do, we...
-
Page 26: Block Diagram
Concert Series Owner’s Manual Block Diagram Figure 9. Block diagram of the EQL Equalizer/Level Matcher. -
Page 27: Specifications
Specifications Specifications © AudioControl 1998. AudioControl is a division of Electronic Engineering and Manufacturing, Inc. All specifications are measured at 14.4 Vdc (standard automotive voltage). All rights are reserved. Frequency Response: 10 Hz to 20 kHz ± 1 dB AudioControl, AudioControl Industrial, Performance Total Harmonic Distortion (THD): 0.005%... - Page 28 Concert Series Owner’s Manual Doodle Here!
Need help?
Do you have a question about the EQL Concert Series and is the answer not in the manual?
Questions and answers