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Concert Series Owner’s Manual

Connections and Equalizer Bypass

Connections and Equalizer Bypass

Connections and Equalizer Bypass

Connections and Equalizer Bypass

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 plug for
connection of speaker outputs from a
deck or factory stereo.

ä

EQUALIZE IN/OUT – Press in to engage
the equalizer settings on your EQL.

○○○○○○○○○○○○○○

○○○○

Figure 2. Front panel layout for EQL
Equalizer/Level Matcher.

6

ä

LINE LEVEL INPUT – RCA jacks for con-
nection of low-level stereo signals from a
head unit.

ä

OUTPUT – RCA jacks  for connection of
EQL outputs to the inputs of an amplifier.

ä

12/GROUND - Another handy
plug for power connections of your
Remote Turn-On lead, +12 Volts, and
Power Ground.

High Level

Input

L        R

+ – – +

Equalize

In
Out

Line Level

Input

L             R

Output

L             R

Remote Ground

+12

Summary of Contents for EQL

Page 1: ...2410 70th Ave W Mountlake Terrace WA 98043 Phone 425 775 8461 Fax 425 778 3166 www audiocontrol com making good stereo sound better OWNER S MANUAL OWNER S MANUAL OWNER S MANUAL OWNER S MANUAL OWNER S...

Page 2: ...factory with the Programmable Frequency Match filter module set at 30 Hz see page 18 to change this For information on other system applica tions or related topics please read further T T T T Table o...

Page 3: ...m sound better Even if you have followed the true path of enlightenment and are having your new EQL professionally installed it doesn t hurt to read this manual There s nothing but reruns on the tube...

Page 4: ...utput level controls on the EQL bring everything together Now any head unit can be connected to any ampli fier and the will system sound great Balanced Input The EQL takes noise rejection a step furth...

Page 5: ...aler has the training and tools to take care of the job quickly and without the anxiety of drilling holes in your car If you are just a dyed in the wool do it yourselfer then this manual should provid...

Page 6: ...Concert Series Owner s Manual Figure 1 Top panel layout for EQL Equalizer Level Matcher 4...

Page 7: ...s allow you to adjust the Left or Right Input gain over a range of 18 dB Output attenuators provide up to 30 dB of gain trim The top panel 2 Our line of Performance Match Components takes the guess wo...

Page 8: ...r connection of speaker outputs from a deck or factory stereo EQUALIZE IN OUT Press in to engage the equalizer settings on your EQL Figure 2 Front panel layout for EQL Equalizer Level Matcher 6 LINE L...

Page 9: ...6 1 2 1 2 6 0 6 1 2 1 2 1 6 K H z 6 0 6 1 2 1 2 6 0 6 1 2 1 2 L e f t R i g h t 3 1 5 H z 6 0 6 1 2 1 2 6 0 6 1 2 1 2 4 5 H z 6 0 6 1 2 1 2 6 0 6 1 2 1 2 6 3 H z 6 0 6 1 2 1 2 6 0 6 1 2 1 2 9 0 H z 6...

Page 10: ...nd 6 on pages 10 and 11 Installation Precautions Installation Precautions Installation Precautions Installation Precautions Installation Precautions Do not mount the EQL Equalizer Level Matcher where...

Page 11: ...Figure 4 Wiring diagram for EQL Series II in a single amplifier system Installation 9...

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 10...

Page 13: ...Figure 6 Wiring diagram shows an EQL with an AudioControl System90 Powered Signal Processor in Bi Amp Mode Installation 11...

Page 14: ...marked location 4 Secure the EQL with self tapping screws Connecting the EQL Connecting the EQL Connecting the EQL Connecting the EQL Connecting the EQL 1 Connect 12 Vdc and Ground from the vehicle s...

Page 15: ...me control on the head unit or radio to maximum level NOTE Since the outputs are not connected you won t hear any sound at this point 3 Adjust the INPUT GAIN control until the yellow INPUT MAXIMIZED s...

Page 16: ...cont d djusting the EQL cont d djusting the EQL cont d djusting the EQL cont d djusting the EQL cont d NOTE Consult the amplifier owner s manual for information on setting its input sensitivity If adj...

Page 17: ...commend 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 install...

Page 18: ...l In all fairness today s crop of factory radios is better So rather than lose those nice steering wheel volume controls we ve come up with a way of improving your sound system by using the High Level...

Page 19: ...17 Upgrading Factory Systems Figure 7 Wiring diagram shows a factory OEM system upgraded with the EQL and an AudioControl System90 Powered Signal Processor to create a superlative 2 way system...

Page 20: ...odules Match Modules Match Modules Match Modules The EQL comes with an 18 dB per octave Programmable Frequency Match low cut filter module already set to 33 Hz This will act as a subsonic filter prote...

Page 21: ...The Deed Doing The Deed Doing The Deed Doing The Deed Doing The Deed 1 Turn the system power off 2 Remove the top panel and locate the Programmable Frequency Match module as shown in Figure 8 3 Chang...

Page 22: ...ubleshooting roubleshooting roubleshooting roubleshooting Problem Problem Problem Problem Problem T T T T Try This ry This ry This ry This ry This No Sound Make certain the PFM module is installed See...

Page 23: ...ign With your source unit all the way up it is at its maximum S N ratio not to mention ap proaching its highest voltage out Pipe this hot clean signal down the line and control it with the MVC just pr...

Page 24: ...arranty If you honor these conditions we will warrant all materi als and workmanship on your EQL for Five Years from the date you bought it if installed by an authorized AudioControl dealer and will f...

Page 25: ...ile product we know how to manufacture but if you use it for the front bumper of your Baja bug and get it full of water and dirt things will go wrong Assuming you conform to numbers 1 through 5 and it...

Page 26: ...Concert Series Owner s Manual Block Diagram Figure 9 Block diagram of the EQL Equalizer Level Matcher 24...

Page 27: ...8 9 w x 6 9 d Weight 3 lbs Balanced Input Yes Ground Isolation Jumpers Yes Country of origin USA AudioControl 1998 AudioControl is a division of Electronic Engineering and Manufacturing Inc All right...

Page 28: ...Concert Series Owner s Manual Doodle Here Doodle Here Doodle Here Doodle Here Doodle Here 26...

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