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Audio Control EX concert series Owner's Manual

Audio Control EX concert series Manual Online:

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Audio Control EX concert series User Manual
Audio Control EX concert series User Guide
Audio Control EX concert series Online Manual

Text of Audio Control EX concert series User Guide:

  • Audio Control EX concert series, Making Modules Since component speakers (like woofers, mids, and tweeters) are designed only to reproduce certain frequencies, a crossover allows us to match the speakers needs to the appropriate frequency range 4 . The correct crossover frequency greatly de- pends on your choice of speakers. This section presents techniques for improving your installa- tion, especially if you are planning a bi-ampli- fied system or are considering adding a subwoofer. We recommend choosing a crossover frequency based on using the frequency response of the higher-frequency speaker t

  • Audio Control EX concert series, Concert Series Owner’s Manual Quick Installation Info Refer to Figures 3 through 5 (pages 9 to 11) when installing the EQX Equalizer/Crossover. The unit is shipped from our factory with a 90 Hz crossover module already installed, and the Programmable Frequency Match filter module set at 33 Hz (see page 18 to change these). For information on other system applications or related topics, please read further. Table of Contents Introduction .............................1 Description ...............................4 Installation................................8 Amplifier Bridging .................

  • Audio Control EX concert series, Concert Series Owner’s Manual Specifications All specifications are measured at 14.4 Vdc (stan- dard automotive voltage). Frequency Response: 10 Hz to 20 kHz + 1 dB Total Harmonic Distortion (THD): 0.005% Signal to Noise Ratio (SNR): 110 dB at full output Maximum Output Level: 9.5 volts rms Input Gain: ± 18 dB Crossover Slope: 24 dB per octave Crossover Type: 2-way Linkwitz-Riley Programmable Crossover Frequency: 50 to 6500 Hz PFM Filter Slope: 18 dB per octave PFM Frequency: Programmable 15 to 100 Hz Power Supply: Transformer-isolated switch mode Fuse Rating:

  • Audio Control EX concert series, EQUALIZER/CROSSOVER/LEVEL MATCHER OWNER’S MANUAL 22410 70th Ave. W., Mountlake Terrace, WA 98043 Phone 425-775-8461 • Fax 425-778-3166 www.audiocontrol.com Concert Series ® ® making good stereo sound better ®

  • Audio Control EX concert series, Concert Series Owner’s Manual äDual Bandwidth Equalizer – 13 bands The dual bandwidth design of the EQX concentrates more control in the lower bass frequencies where the interior of an auto- mobile causes problems. The higher fre- quency controls are spaced on octave centers to give you complete control up to 16,000 Hz. No simple dash-mount equalizer gives you this kind of flexibility. ä Programmable 24 dB/Octave 2-way Crossover With module programmability, the elec- tronic crossover in the EQX can be matched up to any stereo system. The 24 dB/Octave Linkwitz-Riley 2 (who!?

  • Audio Control EX concert series, Congratulations! You have purchased one of the most exciting and innovative audio products available for your car stereo system – the AudioControl EQX Equalizer/Crossover/Level Matcher. The EQX can make any system sound better. Even if you have followed the true path of enlightenment and are having your new EQX professionally installed, it doesn’t hurt to read this manual. There’s nothing but reruns on the tube anyway! The EQX carries on a great tradition started back in 1985, when we introduced the original EQX. It was the first serious stereo component for mobile audio. Since then, AudioControl has gone on to win numerous awards and collect many glow

  • Audio Control EX concert series, Concert Series Owner’s Manual Figure 4. Wiring diagram shows an EQX in a single-amplifier system using a deck and The EPICENTER. Figure 5 (on opposite page). Wiring diagram shows an EQX in a bi-amplified system with an Model 11 Amplified Center Channel Image Processor. 10

  • Audio Control EX concert series, 4. On the EQX, set all equalizer controls to the flat (i.e.,“0”) position. Set the INPUT GAIN controls for minimum gain (i.e.,“-18”). Set all OUTPUT LEVEL controls for maximum attenuation (i.e.,“-∞”). Press the EQUALIZE button IN. 5. Reconnect the vehicle’s negative (-) battery lead and proceed to the next section. Adjusting the EQX 1. Turn on the head unit or radio. On the EQX, you should see the (red) POWER indicator illuminate. If not, check the power connec- tions, and try again. A test light or digital multi-meter works great for this. 2. Play a favorite t

  • äBridging Adaptor Bridging an amplifier gives you more power. The EQX can combine the two channels of almost any amplifier into one, for really powerful bass. The result is up to four times the power for your woofers. Where else can you get that good of a deal and still be legal? IMPORTANT For maximum product performance, nothing is better than a professional system installation. Yo

  • Concert Series Owner’s Manual WARNING TURN OFF THE SYSTEM BEFORE CHANG- ING MODULES, OR ELSE SOMETHING IN YOUR SYSTEM WILL BE DAMAGED! Making Your Own (cont’d) Additional modules with pre-set frequencies are available from an authorized AudioControl dealer, or you can create a custom crossover and/or low cut filter by using the following formula 5 : 7200

  • Audio Control EX concert series, Concert Series Owner’s Manual Figure 2. Front panel layout for EQX Equalizer/Crossover/Level Matcher. Connections and Equalizer Bypass The front panel contains power and input/ output connections, as well as an equalizer bypass button, as shown in Figure 2 (above). ä HIGH LEVEL INPUT – Our handy 4 pin plug for connection of speaker outputs from a deck or factory stereo. L R L R L R L R Normal Invert ++ -- Out +12 äEQUALIZE IN/OUT – Press in to engage the equalizer settings on your EQX Series II

  • Concert Series Owner’s Manual Making Your Own Crossover and Programmable Frequency Match Modules A crossover network is a circuit that divides the bandwidth of an audio signal into two or more frequency bands, as shown here. Crossover Incorporated High Sounds Low Sounds Input Figure 7. Here we see Mr. Crossover busy dividing music into high and low bands. 18

  • Audio Control EX concert series, äHIGH PASS OUTPUT – RCA jacks for connec- tion of high frequencies above the crossover point to the inputs of the mid/high fre- quency amplifier. ä LOW PASS OUTPUT – RCA jacks for connec- tion of low frequencies below the crossover point to the inputs of the low frequency amplifier. ä LOW PASS MONO NORMAL/INVERT – RCA jacks for connection of mono low pass signals below the crossover point for mono or bridged amplifier configurations. ä REMOTE/+12/GROUND - Our handy 3 pin plug for power connection of vehicle’s Remote Turn-On, +12 Volts, and Power Ground. Crossover/Programmable Frequency Mat

  • Audio Control EX concert series, Making Modules 1. Turn the system power off. 2. Remove the top panel and locate the cross- over or Performance Frequency Match module, as shown in Figure 8 (on the oppo- site page). 3. Change the appropriate module. 4. Replace the top panel and tighten the screws. 5. Turn the system power on. Troubleshooting 1. If you hear a “buzz” or “whine,” you may have a grounding problem. Check all power connections and cables. Are all components in the system routed to a common ground point? Does the hea

  • Audio Control EX concert series, Concert Series Owner’s Manual WARNING Before installation, turn off the power to the head unit or radio and discon- nect the negative (-) lead of your vehicle’s battery. Mounting the EQX 1. Select a permanent mounting site for the EQX. Make sure you observe the Installation Precautions listed on page 8. 2. Position the unit and use either a felt-tip pen or spring-loaded center punch tool to mark locations for the four mounting holes. 3. Drill a small pilot hole at each marked location. 4. Secure the EQX with self-tapping screws. Connecting the EQX 1. With ignition off, disc

  • Audio Control EX concert series, Description We’ve created the EQX Equalizer/Crossover/ Level Matcher to make any system sound better. This Performance Match™ Component 3 features straightforward connections and easy- to-adjust equalizer and level controls. To learn more, read on. Equalizer and Input/Output Level Controls and Indicators The top panel contains all equalizer controls, input/output controls, and system indicators. The equalizer controls are grouped by channels in ascending frequencies from left to right, as shown in Figure 1

  • Audio Control EX concert series, Amplifier Bridging Figure 6. Wiring diagram for a bridged amplifier system. 17 CAUTION: Limitations in the amplifier power supply will almost always reduce the available current. Therefore, the realized power output will generally be less than four times the amplifier’s power output. Although bridging is the best way to maximize bass output, check the amplifier's manual to make sure it is capable of driving a 2 ohm load, and that it is not already bridged inter- nally.

  • Audio Control EX concert series, Concert Series Owner’s Manual Amplifier Bridging The EQX comes with LOW PASS MONO Out- puts, so you can create a bridged amplifier system that will drive a subwoofer at maximum power output, as shown in Figure 6. This concept will work on almost any amplifier not already equipped with bridging outputs (i.e., an amplifier without common speaker output grounds). Check your amplifier owner's manual to verify that it meets these conditions. In the bridged mode, each channel of the ampli- fier

  • Audio Control EX concert series, Warranty People are scared of warranties. Lots of fine print. Lots of noncooperation. Months of wait- ing around. Well, don’t be scared of this war- ranty. It’s designed to make you rave about us to your friends. It’s a warranty that looks out for you and helps you resist the temptation to have your friend “who’s good with electronics” try to repair your AudioControl EQX. So go ahead and read this warranty, then enjoy your new com- ponent for a few days before sending in the warranty card and comments. “Conditional” doesn’t m

  • Audio Control EX concert series, Concert Series Owner’s Manual Installation We strongly suggest you have the EQX profes- sionally installed, but if you are doing it solo, this section lists the procedures you’ll need to install the EQX in your vehicle. Before you begin, we suggest you read the next few sections to plan the type of system you want. System Applications Although the EQX Equalizer/Crossover/Level Matcher is often used in bi-amplified systems (refer to Figure 3), it is quite versatile and is designed to also work perfectly in single-ampli- fier and bi-amplified bridged subwoofer sys- tems, as shown in Figures 4 and 5. For more information on bridging, read the secti

  • Audio Control EX concert series, 12. As a final check, press the EQUALIZE switch OUT and IN to compare the sound without and with equalization. Try different pro- gram sources and make any final adjust- ments. 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. Balancing a system “by ear” should be per- formed as fine-tuning after using a Real Time Analyzer, since our ears adapt very quickly to any new freq

  • Audio Control EX concert series, Concert Series Owner’s Manual 10. Listen to the vocals and instruments, and trying cutting the frequencies in the mid- bass (90 to 250 Hz) and mid-range (2 to 4 kHz) spectrum. The mid-bass response is usually a problem area due to standing waves caused by sound resonating in the passenger compartment. The mid-range frequencies are most sensitive to the ear and usually need to be brought down a bit. 11. Continue listening and try boosting the low bass frequencies in the 31.5 to 63 Hz area. Usually this area needs help due to design limitations of smaller woofers and loss of bass in cassettes. NOTE: If the (yellow) OVERLOAD indicator comes on, something is boosted too much.

  • Audio Control EX concert series, Concert Series Owner’s Manual 24 4. You cannot let anybody who isn’t: (a) the AudioControl Factory; (b) an authorized service center; or (c) someone authorized in writing by AudioControl service your EQX. If anyone other than (a), (b) or (c) messes with your EQX Series II, that voids the warranty. 5. The warranty is also void if the serial num- ber has been altered or removed, or if the AudioControl EQX is used improperly. Now, that sounds like a big loophole, but here is all we mean by it. Unwarranted abuse is: (a) physical damage (our mobile products are not meant to be used as jack stands for your car); (b) improper connection (we have done the best w

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