Precision Power MP3 Player PAR 650 User Manual

PAR–650  
5 Band Paragraphic EQ  
 
Built-in remote output with turn-on delay for switching on amps.  
30V MOSFET switching power supply.  
Gold-plated RCA input/output jacks.  
Half-din chassis for ease of installation.  
INSTALLATION  
1. Read this manual carefully and in its entirety before installing this  
equalizer.  
2. Always disconnect the battery or remove the fuses for circuits you  
will be working on.  
3. Check for clearance of any hazards such as wiring harnesses or  
heater core before mounting the equalizer to any panels in the  
vehicle.  
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 ground and any moving parts that  
can tangle the wires such as heater controls or wiper motors.  
6. Route all power and signal cables as far as possible from other  
vehicle wiring harnesses. Loom when appropriate.  
7. It is recommended that the equalizer be grounded directly to the  
chassis of the Source 1 head unit. The Source 1 head unit should be  
grounded at a chassis point (preferably bare or scraped sheet metal)  
other than the factory head unit ground wire or under dash brackets.  
8. Use only the supplied machine screws to mount the equalizer or  
damage to the circuitry could occur.  
CONTROL PANEL FEATURES  
Adjustment Knobs  
The PAR-650 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 position that allows each knob to control  
multiple processor settings.  
Extend and Retract Knobs - To extend and retract the adjustment  
knobs, press and release them into the control panel; they will extend or  
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retract with each press.  
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: DO NOT use excessive force when using the adjustment knobs  
or damage to their release mechanism can result.  
1.  
Master Volume/Fader Control Knob  
IN/Volume - When in, this knob controls the overall volume of the  
system. It affects all line-level outputs to the amplifiers.  
OUT/FADER - When out, this knob controls the front to rear  
balance of the high-pass output jacks.  
2.  
3.  
Input Source LED - 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.  
Input Source Switch - This is a momentary push-button switch that will  
cycle through the three input sources by activating a new input source  
each time it is pressed.  
NOTE: The EQ defaults to SRC 1 when the unit is switched on.  
4.  
Subwoofer Volume Control  
IN/SUB VOLUME - When in, this knob controls the dedicated  
subwoofer output volume.  
OUT/SUB VOLUME - When out, this knob controls the low-pass  
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crossover frequency for the dedicated subwoofer output between  
30–400 Hz at 12dB/octave.  
5.  
High-Pass Output Frequency Control  
IN/FRONT OUT FREQUENCY - When in, this knob controls the  
high-pass crossover point for the front outputs between 30 Hz and  
400 hz at 12dB/octave.  
OUT/REAR OUT FREQUENCY - When out, this knob controls the  
high-pass crossover point for the rear outputs between 30 Hz and  
400 hz at 12dB/octave.  
NOTE: If rear panel switch #7 is in the full range position this knob has  
no function.  
6.  
Frequency Controls  
IN/FREQUENCY GAIN CONTROL - When in, these knobs control  
the gains for their respective frequencies. The center position is flat  
with a maximum +18db and -18dB adjustment capability.  
OUT/PARAMETER CONTROL - When out, these knobs control the  
center frequency of their respective filter band. The center  
frequency ranges are described in the chart below.  
Control Knob  
Subwoofer  
Filter Parameter  
30 to 70 Hz  
Midbass  
125 to 250 Hz  
400 to 800 Hz  
1 to 5 kHz  
Low Midrange  
High Midrange  
High Frequencies  
8 to 20 kHz  
7.  
Aux In - This is a 3.5 mm stereo input jack for use as an auxiliary input  
for portable music players, laptops, camcorders, or video games.  
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CONTROL PANEL  
1
2
3 4  
5
6
7
REAR PANEL FEATURES  
Power Connector  
1.  
Remote Turn On Output - 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 PAR-650 receives a (+)12V turn on signal it will send a (+)12V  
turn on signal to the amplifiers. This feature is designed to eliminate  
system turn-on pops that can occur when several components turn on at  
the same time.  
2.  
3.  
(+)12V Constant Power - This is the main power input for the PAR 650  
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.  
RemoteTurn On Input - This is the input for turning on the PAR 650 and  
system amplifiers. It should be connected to the (+)12V remote turn on  
output of the system head unit. The PAR 650 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 PAR 650 will  
stay on for five seconds before turning off. This feature is designed into  
the PAR 650 to eliminate system turn off pops that can occur when  
several components turn off at the same time. DO NOT connect this to a  
(+)12V constant power supply.  
4.  
Ground - 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 recommended that the factory radio ground be  
used for after market audio components.  
5
 
5.  
6.  
7.  
Power Fuse - This fuse protects the PAR 650 on-board electrical  
components. Never replace this fuse with one of higher value or damage  
to the PAR 650 could occur and result in loss of your warranty.  
Illumination Switch - This switch changes the front panel background  
lighting from BLUE to GREEN to match the vehicle dash or radio  
backlighting.  
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.  
8.  
Front Amplifier Output - These are output jacks for sending the audio  
signal to the front amplifier.  
9.  
Rear Amplifier Output - These are output jacks for sending the audio  
signal to the rear amplifier  
10.  
Subwoofer Amplifier Output - These are output jacks for sending the  
audio signal to the subwoofer amplifier.  
11.  
12.  
Source 1 Input - These is the input for the main source unit.  
Source 2 Input - These is the input for the secondary source unit.  
REAR PANEL  
1 2 3  
5
6
7
8
9
10 11 12  
4
INITIAL SETTINGS  
1.  
2.  
Make sure the main source unit is connected to the Source 1 inputs, then  
adjust the main source units volume to just below maximum.  
Adjust the Source 1 input gains (top of unit) to the minimum setting and  
the PAR-650 master volume control to the maximum setting.  
6
 
NOTE: If connecting more than one input source to the PAR-650, use  
the Source 1 gain controls to match the input level of both sources.  
3.  
4
Set the filter gains to the flat (center) setting.  
Complete all signal and power connections to the PAR-650.  
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.  
6
7
Reduce the PAR-650 master volume level and test for well-balanced and  
linear volume adjustment when using the Source 1 volume control.  
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.  
CROSSOVER AND FILTER ADJUSTMENTS  
The crossover and filter gain adjustments 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, adjustments 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.  
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.  
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.  
3.  
If using the dedicated subwoofer output, set its gain and frequency  
control to the center position.  
NOTE: When interfacing PPI class of amplifiers with non-defeatable low-  
pass crossovers adjust the amplifiers crossover point to its highest  
frequency setting.  
4.  
Turn on the head unit and play a familiar piece of music as reference  
material.  
7
 
5.  
6.  
7.  
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 distortion.  
Repeat for the rear speakers.  
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.  
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.  
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.  
SYSTEM DIAGRAM  
GROUND  
REMOTE IN  
(+)12V CONSTANT  
REMOTE OUT  
To Rear Amp  
To Front Amp  
To Sub Amp  
To Source 2  
To Source 1  
8
 
SPECIFICATIONS  
PRECISION POWER PAR-650  
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  
Varies with center frequency  
Crossover/Range  
Signal-to-Noise Ratio  
Frequency Response  
Maximum Output Voltage  
LP/HP, 12dB/octave, variable 30-400Hz  
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)  
1V in = 2V (front/rear)  
6V (sub)  
Total Harmonic Distortion  
Stereo Separation  
Input Sensitivity  
< 0.006%  
>75dB @ 1kHz  
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)  
9
 
Warranty  
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 from 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. 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. 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 void if the product has been damaged by accident or unreasonable use,  
neglect, improper service or other causes not arising out of defects in materials or  
construction. Units which are found to be damaged by abuse resulting in thermally  
damaged voice coils are not covered by this warranty but may be replaced at the  
absolute/sole discretion of Directed. ALL WARRANTIES INCLUDING BUT NOT LIMITED  
TO  
EXPRESS  
WARRANTY,  
IMPLIED  
WARRANTY,  
WARRANTY  
OF  
MERCHANTABILITY, FITNESS FOR PARTICULAR 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 bill of sale or other dated proof of purchase bearing the following information:  
consumer's name, telephone number, and address, authorized dealer's name and  
address, and product description. Note: This warranty does not cover labor costs for the  
removal and reinstallation of the unit. 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 1 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.  
© 2003 Directed Electronics, Inc. All rights reserved. G41840 11-03  
 

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