Precision Power PRECISIONPOWER DEQ-230 User's Manual
Contents
1. be sure you are not drilling into wires brake or fuel lines etc Terminate the wire with a ring connector and attach it to the bare metal using a 8 sheet metal screw and washer not supplied We suggest crimping and or soldering this connection After the connection is complete coat the area with silicone or some similar material to prevent rust from developing Finally the remote wire needs to run to the amplifier remote or power antenna lead of the head unit This wire supplies a 12 volt signal to the DEQ 230 when the main system is activated Once you have routed the power ground and remote wires through the vehicle it is time to connect the wires to the DEQ 230 Be sure that you have not reconnected the ground cable to the negative post of the battery Cut off excess wire and using wire strippers strip the power ground and remote cables about 1 8 inch Locate the power ground and remote Powerlock connector supplied On the top of the connector are three slotted screws With a small flat bladed screwdriver loosen the screws before attempting to insert the cables After you have inserted the stripped end of each cable into the connector secure it by tightening the associated screw Check that each connection is tight If the wires are secure the connector may be plugged into the DEQ 230 Remote Ground LURING sa yl attenuation stereoeout Input 120B in monoein qp gt INPUT2. Unit must be returned to Directed postage pre paid with consumer s name telephone number and address authorized 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 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 G41800 04 03
3. to be replaced if it is frayed or broken Run signal cables RCAs and remote turn on lead down the opposite side of the vehicle of the power wire to avoid radiated noise Avoid sharp edges that could chafe through the insulation Positive Battery Terminal Fuse must be installed within 18 of battery Drill a hole in the firewall and use a rubber grommet to keep wire from shorting Run the cables under the carpet near the side of the vehicle Be careful not to drill or screw into the wires when you replace the trim For systems over 300 watts add a ground cable from the amp to the battery see page 6 Firmly attach Amp Ground Wire to solid metal see page 6 URING The next step is to connect the Power Ground and Remote wires to your DEQ 230 The power wire should run from the mounting location through the vehicle to the battery or power distribution block Avoid sharp corners creases and sharp body parts When passing through any metal wall i e firewall etc a grommet must be used to prevent the wire from chaffing and shorting to ground The ground wire should be of the same gauge as the power wire As a rule of thumb use as short a length of wire as possible Find a location near the equalizer that is metal the floor is ideal and clean an area about the size of a quarter to bare metal Drill a pilot hole in the middle of this area Be Careful Inspect the area underneath to
4. Connect RCA cables from your head unit or other signal source here Attenuation Push this switch in to accept high level RCA inputs up to 8v or direct speaker lead inputs from common grounded not high powered headunits See diagram below for wiring Stereo Mono Switch Push this switch IN to send Left Input to both channels of the DEQ 230 for Mono operation Leave the switch OUT for Stereo operation OUTPUT Connect RCA cables to your Preamp Crossover or Amplifier here After connecting Ground Remote and Power wires plug in the POWERLOCK connector here ADJUSTMENTS The DEQ 230 Equalizer puts an incredible amount of control in your hands Correctly adjusted it can solve many of the problems you will encounter along your road to perfect sound Incorrectly adjusted it can cause just as many problems By following these guidelines you will avoid common pitfalls in system tuning and get your sound quickly dialed in We recommend that you use a Real Time Analyzer RTA to speed things up but it is possible to tune your system without it 1 With the system turned OFF remove the control panel from the chassis of the DEQ 230 replace the short connecting cable with the 20 cable and take the control panel to the adjusting location either inside the car or next to the RTA NOTE If you are using a Real Time Analyzer RTA go to step 2 If not go to step 8 The first step is to locate a suitable source of pink
5. G Is the LED lit YES Check Input cables for signal by connecting them straight to the amplifier LS ANY SOUND NOW YES Problem is in the Equalizer See your local Authorized PrecisionPower Dealer or call 1 800 62POWER Reverse left and right RCA outputs SOUND IS NOW IN OPPOSITE CHANNEL Reverse RCA inputs L gt OPPOSITE CHANNEL SOUND IS NOW IN Reverse RCAs at head unit check Balance Control gt OPPOSITE CHANNEL Problem is in the head unit SOUND IS NOW IN NO Check power ground and remote wiring to DEQ 230 NO Problem is elsewhere in the system Check head unit and amplifiers SAME CHANNEL Problem is in the amplifier speakers or associated wiring of the silent channel SAME CHANNEL Problem is in the Equalizer See your local Authorized PrecisionPower Dealer or call 1 800 62POWER SAME CHANNEL Problem is in the RCA cable 12 SYSTEM DIAGRAM youms yms ssedAg 03 ouo 0919 S jeueg 101 U0V ejqeAouleH indino fiH H3zrivno3 ONVA oe 12dB INPUT ATTENUATION 9 HIZIIVNDI awva oe indino y7 Ord indu 1U6ly vou induj ye1 VOU 13 NOTES 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 by the dealer as indicated by the date code marking
6. PrecisionPower Absolutely State of the Art Mobile Audio DEQ 230 30 BAND EQUALIZER CONGRATULATIONS Thank you for choosing PrecisionPower audio equipment At PrecisionPower we proudly design and engineer the world s finest audio products Our award winning products utilize innovative design and technology to consistently deliver Absolutely State of the Art performance sound quality reliability and value This PrecisionPower product reflects our commitment to offer you unparalleled versatility and quality for years of dependable service and listening enjoyment SERVICE Do not attempt to service PrecisionPower products yourself Performing exploratory surgery on your audio equipment yourself will void the warranty Many parts of your PrecisionPower gear are custom built to our specifications Our factory parts are not made available to anyone else nor are they for sale Our goal is to make sure that your PrecisionPower product will always sound as good as the day it was purchased Contact your authorized PrecisionPower dealer about obtaining any warranty service through PrecisionPower See Warranty inside back cover FOR YOUR RECORDS MODEL SERIAL NUMBER PURCHASE DATE CAUTION Caution The extended use of a high powered audio system may result in hearing loss or damage While PrecisionPower systems are capable of Concert Level volumes with incredible accuracy they are also designed for you to enjoy at more r
7. e control on the DEQ 230 that corresponds to a large peak or dip on the RTA display until it moves into line with adjacent frequencies Move to the next frequency and repeat until you run out of frequencies to adjust Try to remove the peaks before filling the dips Periodically while you are making adjustments compare the new curve you are making to the system in an unequalized state by using the defeat switch on the lower left corner of the control panel This allows you to compare your original starting point to the present state of equalization in the system ADJUSTMENTS 7 Play your favorite music If the sound isn t what you re looking for go back to the pink noise and smoothly adjust your curve for more bass less midrange or whatever you think will correct the sound Remember that this is your system don t let someone else tell you how it should sound When the sound is close to what you want move to step 8 Play several different music tracks If you hear an instrument or voice or other sound that is too loud find the sound on the chart on page 9 This will give you clues as to what frequencies need to be adjusted on the DEQ 230 If you have already tuned using an RTA this step is icing on the cake SOURCE Headunit 00 aaa rk 1 Positive dA RIGHT input Negative d WARNING If you are using a source unit with bridged high powered or floating ground speaker outputs a suitable high to l
8. easonable levels all of the sonic subtleties created by musicians Please observe all local sound ordinances FEATURE SPECIFICATIONS Stereo Mono 1 3 Octave Equalizer Detachable Control Panel with 20 ft Extension Cable for Remote Adjustment 30 Center Detented Controls with 12dB gain Balanced Differential Input Stage Input Attenuation Switch Mono Stereo Switch Defeat Switch O Gold RCA input and output connectors PWM Power Supply OF Completely Designed and Engineered in the USA O Signal to Noise Ratio gt 102dB O Total Harmonic Distortion 1KHz 1VRMS 0 017 Boost Cut Range 12dB Maximum Input Voltage EQ Defeated 4VRMS Maximum Output Voltage 8VRMS O Supply Voltage 11 15 VDC O Frequency Centers 25Hz 31 5Hz 40Hz 50Hz 63Hz 80Hz 100Hz 126Hz 156Hz 200Hz 250Hz 320Hz 400Hz 500Hz 635Hz 800Hz 1KHz 1 27KHz 1 6KHz 2KHz 2 5KHz 3 2KHz 4KHz 5KHz 6 4KHz 8KHz 10KHz 12 8KHz 16KHz 20KHz O Dimensions LxWxH 15 7 x 5 065 x 1 783 RENATE CIN FEATTRE The DEQ 230 s detachable control panel design greatly simplifies system tuning It allows real time adjustment of system equalization from the front seat or outside the vehicle In order to operate the DEQ 230 in this mode simply remove the Allen head screw located to the right of the thumb notch on the front bezel that holds the main control panel to the docking bay and carefully remove the main control pane
9. l You will notice that it is connected to the docking bay via a short eight conductor phone cord Make sure that the power is off Remove the control panel disconnect the short cord at both ends and then replace it with the 20 ft cable supplied After plugging the control panel into the docking bay turn power back on and begin your pink noise analysis or make final adjustments to sound quality from the front seat MOUNTING NOTE Before beginning disconnect the negative terminal of the battery prior to working on the positive terminal to prevent an electrical short to ground This is important unless you want to spend the rest of your life with a nickname like Sparky or Smokey Reconnect the negative terminal only after all connections have been made To prevent damage to the equalizer while driving mount it in a secure place Choosing the appropriate location will depend upon your vehicle and the complexity of your system design Typical mounting locations include the trunk and passenger compartment floor or under seat Never mount the equalizer in a location that would subject it to immersion or exposure to water Once a location has been chosen securely mount the DEQ 230 with four mounting screws Be Careful Inspect the area underneath to be sure you are not drilling into wires brake or fuel lines etc that could be damaged by the drill bit or screws 5 065 LURING Factory Ground wire may need
10. noise A good choice would be the current IASCA competition reference disc Also some RTAs have a built in pink noise source Ideally the pink noise should play through your head unit allowing you to compensate for any frequency response changes caused by it or anything else before the amplifiers Next place the microphone from the RTA in the driver s seat at approximately head level Initially set the analyzer to read at 3dB per step and set the speed of the RTA s readout to medium Turn on your system and start the pink noise Raise or lower the volume until you can see all or most of your frequency response on the RTA scale a little above or below is OK Make sure all of the equalizer s frequency controls are at zero and look at the RTA screen You are trying to achieve a target frequency response or curve that reflects your preference You might think that a perfectly straight line would be best but it really doesn t sound very good Instead shoot for a curve that starts about 9dB up at the low frequencies 25Hz to about 100Hz dropping gently to OdB in the midrange 250Hz to 3KHZ then dropping gently to 9dB at 16KHZ and 20KHz If electronic crossovers are used any large frequency sections corresponding to your crossover points that are low or high should be brought in line using crossover level controls or amp gain adjustments not with the equalizer Beginning at either the lowest or the highest frequency adjust th
11. 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 lf the unit is installed by anyone other than an authorized Directed dealer the warranty period will be 1 year from date of purchase by the dealer as indicated by the date code marking of the product During this 1 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 accident 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 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
12. ow level adapter must be used If you are unsure about your head unit see your local PrecisionPower dealer or call1 800 62 POWER To use Speaker Level Inputs common ground headunits only connect RCA plugs to the front or rear speaker leads as shown and push IN the Attenuation switch ADJUSTMENTS FUNDAMENTAL NOTE HARMONIC OR OVERTONE ececccc000 25 50 100 200 400 800 1 6 3 2 6 4 12 8 20K electric guitar EE e 00000000 acoustic guitar m ee e e ceo violin AME 000000 cello EEE 000000000 double bass MM 0000000000 trumpet e Mr french horn Heoocccccce trombone EEE tuba LTN soprano sax 8060008 tenor sax f o o o o clarinet l MMI 00000 oboe EN 00000 flute 000000 piano eo 0 e synthesizer female vocal range male vocal range tympani kick drum tom drum snare drum cymbals electric bass o 000000000 Sa MMM 0 0000000000 0000000000 SYSTEM DIAGRAM Tweeter Tweeter Passive Passive Crossover Crossover PrecisionPower 4 Channel Amplifier MidRange MidRange Mid Bass Mid Bass Source Unit MidRange MidRange pis Tweeter deser Crossover Tweeter DEQ 230 Third Octave EQ High Pass Output from EPX FRX 456 Electronic Crossover gt Band Pass Subwoofer Subwoofer PrecisionPower 4 Channel Amplifier 11 TROUBLE SHOOTIN
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