Directed Audio Stereo Equalizer Model 6500 User Manual

model  
6500  
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CONGRATULATIONS  
Congratulations for choosing a Directed  
Audio five-band parametric equalizer  
from Directed Electronics.  
plifiers and three-source input capability,  
the Directed Audio 6500 five-band para-  
metric equalizer will integrate with the  
most sophisticated of mobile audio/  
video systems, and will excite and  
delight the mobile sound enthusiast with  
years of high-quality audio reproduction.  
Directed has been the industry leader in  
high-quality mobile audio and security  
since 1990, and with the introduction of  
the Directed Audio 6500 five-band para-  
metric equalizer, Directed continues to  
set new standards of performance, reli-  
ability and affordability in the mobile  
electronics industry.  
The Directed Audio 6500 five-band para-  
metric equalizer is covered by two-year  
limited warranty. Be sure to retain your  
original sales receipt, and refer to the  
warranty section of this guide for full  
details about your coverage.  
Featuring separately adjustable front  
and rear crossovers, active gain pream-  
TABLE OF CONTENTS  
Limited Two-Year Consumer Warranty . . . . . . . . . . . . . . . . . . . . . . . . .4  
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5  
Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5  
Installation Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6  
Control Panel Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7  
Rear Panel Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9  
Initial Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10  
Crossover and Filter Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . .11  
System Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12  
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13  
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© 2002 Directed Electronics, Inc  
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LIMITED TWO-YEAR CONSUMER WARRANTY  
Directed Electronics, Inc. promises to the original  
purchaser, to replace this product should it prove  
to be defective in workmanship or material under  
normal use, for a period of two years from the  
date of purchase by the dealer as indicated by  
the date code marking of the product PROVIDED  
the product was installed by an authorized  
Directed dealer. During this two-year period, there  
will be no charge for this replacement PROVIDED  
the unit is returned to Directed, shipping pre-paid.  
If the unit is installed by anyone other than an  
authorized Directed dealer, the warranty period  
will be one year from the date of purchase by the  
dealer as indicated by the date code marking of  
the product. During this one-year period there will  
be no charge for this replacement PROVIDED the  
unit is returned to Directed, shipping pre-paid.  
This warranty is non-transferable and does not  
apply to any unit that has been modified or used  
in a manner contrary to its intended purpose, and  
does not cover damage to the unit caused by  
installation or removal of the unit. This warranty  
is void if the product has been damaged by acci-  
dent or unreasonable use, neglect, improper  
service or other causes not arising out of defects  
in materials or construction. ALL WARRANTIES  
INCLUDING BUT NOT LIMITED TO EXPRESS  
WARRANTY, IMPLIED WARRANTY, WARRANTY  
OF MERCHANTABILITY, FITNESS FOR PARTIC-  
ULAR PURPOSE, AND WARRANTY OF NON-  
INFRINGEMENT OF INTELLECTUAL PROPERTY  
ARE EXPRESSLY EXCLUDED TO THE MAXIMUM  
EXTENT ALLOWED BY LAW, AND DIRECTED  
NEITHER ASSUMES NOR AUTHORIZES ANY  
PERSON TO ASSUME FOR IT ANY LIABILITY IN  
CONNECTION WITH THE SALE OF THE  
PRODUCT. DIRECTED HAS ABSOLUTELY NO  
LIABILITY FOR ANY AND ALL ACTS OF THIRD  
PARTIES INCLUDING ITS AUTHORIZED  
DEALERS OR INSTALLERS. Unit must be returned  
to Directed, postage pre-paid, with: consumer’s  
name, telephone number, and address, autho-  
rized dealer’s name and address, and product  
description. IN ORDER FOR THIS WARRANTY TO  
BE VALID, YOUR UNIT MUST BE SHIPPED WITH  
PROOF OF INSTALLATION BY AN AUTHORIZED  
DIRECTED DEALER. ALL UNITS RECEIVED BY  
DIRECTED FOR WARRANTY REPAIR WITHOUT  
PROOF OF DIRECTED DEALER INSTALLATION  
WILL BE COVERED BY THE LIMITED ONE-YEAR  
PARTS AND LABOR WARRANTY. Note: This  
warranty does not cover labor costs for the  
removal and reinstallation of the unit. BY  
PURCHASING THIS PRODUCT, THE CONSUMER  
AGREES AND CONSENTS THAT ALL DISPUTES  
BETWEEN THE CONSUMER AND Directed  
SHALL BE RESOLVED IN ACCORDANCE WITH  
CALIFORNIA LAWS IN SAN DIEGO COUNTY,  
CALIFORNIA.  
4
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FEATURES  
18dB boost/cut filters with  
Three switched inputs for controlling  
adjustable center frequencies.  
multiple sources.  
Dual function controls pull out for  
Selectable dual color illumination  
easy system tuning.  
and backlit controls.  
Separately adjustable front and rear  
Built-in remote output with turn-on  
high-pass crossovers.  
delay for switching on amps.  
Dedicated subwoofer output with  
30V MOSFET switching power  
adjustable low-pass crossover.  
supply.  
Front panel controls for fader, sub  
Gold-plated RCA input/output jacks.  
level, and HP/LP frequencies.  
Half-din chassis for ease of  
Master volume control drives over  
installation.  
10 volts RMS output (sub out).  
WARNING  
High-powered car audio  
systems may produce  
sound pressure levels that exceed the  
threshold at which hearing loss may  
result.  
They may also impair a driver’s ability to  
hear traffic sounds or emergency vehi-  
cles. Use common sense and practice  
safe listening habits when listening to or  
adjusting your audio system.  
5
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INSTALLATION GUIDELINES  
1. Read this manual carefully and in  
its entirety before installing this  
equalizer.  
ground and any moving parts that  
can tangle the wires such as heater  
controls or wiper motors.  
2. Always disconnect the battery or  
remove the fuses for circuits you  
will be working on.  
6. Route all power and signal cables  
as far as possible from other vehicle  
wiring harnesses. Loom when  
appropriate.  
3. Check for clearance of any hazards  
such as wiring harnesses or heater  
core before mounting the equalizer  
to any panels in the vehicle.  
7. It is recommended that the equal-  
izer be grounded directly to the  
chassis of the Source 1 head unit.  
The Source 1 head unit should be  
grounded at a chassis point (prefer-  
ably bare or scraped sheet metal)  
other than the factory head unit  
ground wire or under dash brackets.  
4. Mount the equalizer in a location  
that is easy to access and won't be  
distracting to vehicle operation  
while making adjustments.  
5. Route all power wires and audio  
cables away from sharp metal  
edges that can cause shorts to  
8. Use only the supplied machine  
screws to mount the equalizer or  
damage to the circuitry could occur.  
6
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CONTROL PANEL FEATURES  
Adjustment Knobs  
balance of the high-pass output  
jacks.  
The 6500 five-band parametric equalizer  
features dual-function control knobs that  
extend when needed for adjustments  
and retract when not in use, allowing full  
adjustability with minimum control panel  
clutter. When the knobs are extended for  
adjustment they have an in and out posi-  
tion that allows each knob to control  
multiple processor settings.  
Input Source LED  
2.  
- The color of the  
LED indicates which input source is  
currently active.  
GREEN indicates Source 1 is active.  
RED indicates Source 2 is active.  
ORANGE indicates the control panel  
AUX is active.  
Extend and Retract Knobs  
- To  
Input Source Switch  
3.  
- This is a  
extend and retract the adjustment  
knobs, press and release them into  
the control panel; they will extend  
or retract with each press.  
momentary push-button switch that  
will cycle through the three input  
sources by activating a new input  
source each time it is pressed.  
IN and OUT Position  
- A knob is set  
to its in position when it is initially  
extended. To set a knob to its out  
position pull gently on the knob  
until a plainly-felt notched position  
is reached.  
NOTE: The EQ defaults to SRC 1 when the unit is switched on.  
Subwoofer Volume Control  
4.  
NOTE: DO NOT use excessive force when using the adjustment  
knobs or damage to their release mechanism can result.  
IN/SUB VOLUME: When in this  
knob controls the dedicated  
subwoofer output volume.  
Master Volume/Fader Control Knob  
1.  
IN/VOLUME - When in this  
knob controls the overall  
volume of the system. It  
affects all line-level outputs to  
the amplifiers.  
OUT/SUB FREQUENCY: When  
out this knob controls the low-  
pass crossover frequency for  
the dedicated subwoofer output  
between 30-400Hz at 12dB/  
octave.  
OUT/FADER - When out this  
knob controls the front to rear  
7
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High-Pass Output Frequency Control  
5.  
is flat with a maximum +18dB  
and -18dB adjustment capability.  
IN/FRONT OUT FREQUENCY:  
When in this knob controls the  
high-pass crossover point for  
the front outputs between  
30Hz and 400 Hz at  
12dB/octave.  
OUT/PARAMETER CONTROLS:  
When out these knobs control  
the center frequency of their  
respective filter band. The  
center frequency ranges are  
described in the chart below.  
OUT/REAR OUT FREQUENCY:  
When out this knob controls the  
high pass crossover point for  
the rear outputs between 30Hz  
and 400 Hz at 12dB/octave.  
Control Knob  
Subwoofer  
Midbass  
Low Midrange  
High Midrange  
High Frequencies  
Filter Parameter  
30 to 70 Hz  
125 to 250 Hz  
400 to 800 Hz  
1 to 5 kHz  
8 to 20 kHz  
NOTE: If rear panel switch #7 is in the full range position this  
knob has no function.  
Aux In  
7.  
- This is a 3.5 mm stereo input  
Frequency Controls  
6.  
jack for use as an auxiliary input for  
portable music players, laptops,  
camcorders, or video games.  
IN/FREQUENCY GAIN CONTROL:  
When IN these knobs control the  
gains for their respective  
frequencies. The center position  
FIGURE 1—CONTROL PANEL  
1
6
2 3  
4
5
7
8
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REAR PANEL FEATURES  
Power Connector  
that can occur when several compo-  
nents turn off at the same time. DO  
NOT connect this to a (+)12V  
constant power supply.  
Remote Turn On Output  
1.  
- This  
output is intended to be the remote  
turn on for the system amplifiers  
and has a built-in delay. Two to  
three seconds after the 6500  
receives a (+)12V turn on signal it  
will send a (+)12V turn on signal  
to the amplifiers. This feature is  
designed into the 6500 to elimi-  
nate system turn-on pops that can  
occur when several components  
turn on at the same time.  
Ground  
4.  
5.  
- Connect this terminal to a  
quality ground location, preferably  
the chassis of the head unit, which  
must itself be properly grounded to  
the vehicle chassis. It is not recom-  
mended that the factory radio  
ground be used for after market  
audio components.  
Power Fuse  
- This fuse protects the  
(+)12V Constant Power  
2.  
3.  
- This is  
6500's on-board electrical compo-  
nents. Never replace this fuse with  
one of higher value or damage to  
the 6500 could occur and result in  
loss of your warranty.  
the main power input for the 6500  
and must be connected to a  
(+)12V constant power supply. DO  
NOT connect this to a switched 12V  
source or the system may pop  
when the key is turned off.  
Illumination Switch  
6.  
7.  
- This switch  
changes the front panel back-  
lighting from BLUE to GREEN to  
match the vehicle dash or radio  
backlighting.  
Remote Turn On Input  
- This is the  
input for turning on the 6500 and  
system amplifiers. It should be  
connected to the (+) 12V remote  
turn on output of the system head  
unit. The 6500 has a built in turn  
off delay to prevent turn-off pops.  
When the remote turn on signal  
from the head unit shuts off, the  
amplifiers will turn off immediately  
and the 6500 will stay on for five  
seconds before turning off. This  
feature is designed into the 6500  
to eliminate system turn off pops  
High Pass Output Switch  
- This  
switch controls whether the front  
and rear outputs are full range or  
crossed over as high pass outputs to  
the amplifiers. When set to high  
pass output the front and rear output  
crossovers are separately variable  
from 30 to 400Hz, by using the  
high pass frequency control knob  
(#5) on the front panel.  
9
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Front Amplifier Output  
output jacks for sending the audio  
signal to the front amplifier.  
8.  
- These are  
are output jacks for sending the  
audio signal to the subwoofer  
amplifier.  
Rear Amplifier Output  
output jacks for sending the audio  
signal to the rear amplifier.  
Source 1 Input  
9.  
- These are  
11.  
12.  
- This is the input for  
the main source unit.  
Source 2 Input  
- This is the input for  
the secondary source unit.  
Subwoofer Amplifier Output  
10.  
- These  
FIGURE 2—REAR PANEL  
1 2 3  
5
6
7
8
9 10 11 12  
4
INITIAL SETTINGS  
1. Make sure the main source unit is  
connected to the Source 1 inputs,  
then adjust the main source units  
volume to just below maximum.  
5. Turn the system on and increase the  
gain on the Source 1 inputs until  
audible distortion can be heard. The  
system should be very loud at this  
time.  
2. Adjust the Source 1 input gains (top  
of unit) to the minimum setting and  
the 6500 master volume control to  
the maximum setting.  
6. Reduce the 6500 master volume  
level and test for well-balanced and  
linear volume adjustment when  
using the Source 1 volume control.  
NOTE:  
If connecting more than one input source to the  
6500, use the Source 1 gain controls to match the  
input level of both sources.  
7. When connecting a second source  
unit to the Source 2 input, the  
source one input gains (top of unit)  
may need further adjusting to  
achieve a close signal level match.  
3. Set the filter gains to the flat  
(center) setting.  
4. Complete all signal and power  
connection to the 6500.  
10  
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CROSSOVER AND FILTER ADJUSTMENTS  
The crossover and filter gain adjust-  
ments can be performed two different  
ways, by using a piece of audio test  
equipment called an RTA (Real Time  
Analyzer) or by listening to a familiar  
piece of music. The RTA is most  
commonly used to achieve the flattest  
possible system response in preparation  
for a sound-off competition. Although an  
RTA may help in setting a flat system  
response, it does not allow for your  
personal listening preferences. When  
setting the EQ filter and gain controls  
using a familiar piece of music, adjust-  
ments can be made according the way  
you like the music to sound in relation  
to the vehicles acoustics and the type of  
drivers in the system.  
4. Turn on the head unit and play a  
familiar piece of music as reference  
material.  
5. If the front and rear outputs have  
been set to high pass by setting the  
switch on the rear panel to the high  
pass setting, adjust the front  
crossover to the lowest possible  
setting with a minimum of distor-  
tion. Repeat for the rear speakers.  
6. At this time adjust the subwoofer  
frequency and volume to match the  
crossover settings for the satellite  
speakers. When set properly the  
bass should not be localized and  
voices should not be heard through  
the subwoofers.  
1. Set all filter gain controls to their  
flat setting by adjusting all the filter  
knobs to the center or 0 setting  
when they are extended and set to  
their in position.  
7. Adjusting the frequency control  
knobs out direction from center will  
change the center frequency and  
bandwidth parameter for that  
particular filter. The higher the  
frequency (clockwise) for a filter  
the wider bandwidth, the lower the  
frequency (counter-clockwise) the  
narrower bandwidth.  
2. Set all frequency controls to their  
flat setting by adjusting all the filter  
knobs knobs to the flat or 0 setting  
when they are extended and set to  
their out position.  
8. Once the center frequencies and  
bandwidth have been adjusted  
controls have been set, use the  
filter gains (filter knob’s in position)  
to fine tune the system for differing  
tastes in music or material.  
3. If using the dedicated subwoofer  
output, set its gain and frequency  
control to the center position.  
NOTE:  
When interfacing Directed class d amplifiers with non-  
defeatable low-pass crossovers adjust the amplifiers  
crossover point to its highest frequency setting.  
11  
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SYSTEM DIAGRAM  
ILLUMINATION  
SWITCH  
HIGH PASS  
OUTPUT SWITCH  
GROUND  
REMOTE IN  
(+)12V CONSTANT  
REMOTE OUT  
To Front Amp  
To Rear Amp  
To Sub Amp  
To Source 2  
To Source 1  
12  
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SPECIFICATIONS  
Directed model 6500  
Filter Parameters  
Sub 30-70Hz, Mid-bass 125-250Hz,  
Low-mid 400-800Hz. Hi-mid 1.5-  
5kHz Hi 8-20kHz  
Boost/Cut  
18dB/octave maximum  
Filter Bandwidth  
Crossover/Range  
Varies with center frequency  
LP/HP, 12dB/octave, variable 30-  
400Hz  
Signal-to-Noise Ratio  
Frequency Response  
Maximum Output Voltage  
100dB @ 1 volt input  
20Hz-30kHz, +/- 0.5dB  
6V RMS front/rear outputs  
10V RMS subwoofer output  
Output Impedance  
500 ohm  
Gain (all filters set flat)  
Total Harmonic Distortion  
Stereo Separation  
1V in = 2V (front/rear), 6V (sub)  
< 0.006%  
>75dB @ 1kHz  
Input Sensitivity  
50mv - 4.0V RMS (fixed inputs)  
50mv - 10V RMS (variable input)  
Input Impedance  
Operating voltage/fuse  
Remote Out  
21K ohms  
11-15V negative ground/3A ATC  
500mA @ 11.5V  
1"x 7"x 4-3/4"  
Size (H x W x D)  
13  
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14  
© 2002 Directed Electronics, Inc  
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15  
© 2002 Directed Electronics, Inc  
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The company behind this system is Directed Electronics, Inc.  
Since its inception, Directed has had one purpose, to provide customers with the  
finest vehicle security, car stereo products, rear seat entertainment, and accessories  
available. The recipient of more than 20 patents in the field of advanced electronic  
technology, Directed is ISO 9001 registered.  
Directed Electronics, Inc.  
Vista, California 92083  
Directed® is committed to delivering world-class quality  
products and services that excite and delight our customers.  
Directed is a proud member of  
Quality Directed products are sold and serviced throughout North America and around the world  
Call 800 274 0200 for more information about our products and services  
© 2002 Directed Electronics, Inc. - All rights reserved - G44555 05/02  
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