EPX223 Electronic Crosso ver O WNERS MANU
Contents
1. O 120B Input Attenuation Switch Push this switch IN for high level input capability May be used for speaker level input from common ground head units or for high voltage line drivers Push this switch IN for dual 2 way operation or OUT for 3 Way operation 4 Connect Ground Remote turn on and Power wires to the PowerLock connector and plug it in here Connect the RCA cables from the head unit preamplifier or another processor here 3 way out 2 way in R attenuation rm 120B in a NO PS CP oo D z Low Pass 2 Way Mode Sets Low Pass frequency to Low Pass Outputs and High Pass frequency to Band Pass Outputs 3 Way Mode Sets Low Pass frequency to Low Pass Outputs and High Pass frequency to Band Pass Outputs PrecisionPower EPX 223 Two Three Way Electronic Crossover Made In USA High Pass 2 Way Mode Sets Low Pass frequency to Low Pass 2 Outputs and High Pass frequency to High Pass Outputs 3 Way Mode Sets Low Pass frequency to Band Pass Outputs and High Pass frequency to High Pass Outputs Amplitude Amplitude 13Hz Sub Sonic 13Hz Sub Sonic Band Pass Low Pass 2 High Pass Three Way Mode Two Way Mode BACK TO CONTENTS Amplitude Low Pass Band Pass gt 50Hz to 5kHz 50Hz to 5kHz Frequency Amplitude 18Hz 18Hz Sub Sonic Sub Sonic s Low Pass2. isionPower Precisio N eus mae Absolute CONTENTS click on a topic to view Congratulations Features and Specifications Frequency Chart Installation Wiring Wiring Functions Functions Input Troubleshooting 2 Way System Design 3 Way System Design Block Diagram Warranty EPX223 Electronic Crossover OWNERS MANUAL POWER CLASS for choosing PrecisionPower audio epuipment At PrecisionPower we proudly design engineer and manufacture audio products at our facility in Phoenix Arizona Our award winning engineering team utilizes innovative 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 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 insde back cover ny yl a FOR YOUR RECORDS M oad e
3. or which has een connected installed or adjusted other than in accordance with the instructions furnished in PrecisionPower s owner s manual Nor shall this warranty apply to any part which has been subject to misuse neglect or accident 6 PrecisionPower does not authorize any other persons to assume any other liability in connec tion with its products THIS WARRANTY IS THE ONLY EXPRESS WARRANTY MADE BY PRECISIONPOWER APPLICABLE TO ITS PRODUCTS ANY IMPLIED WARRANTY OR MER CHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE APPLICABLE TO PRECISIONPOWER PRODUCTS IS LIMITED IN DURATION TO THE DURATION OF THIS LIMITED WARRANTY PRECISIONPOWER SHALL NOT BE LIABLE FOR THE INCIDENTAL CONSEQUENTIAL OR COMMERCIAL DAMAGES RESULTING FROM THE BREACH OF THIS WRITTEN WARRANTY Some states or provinces do not allow the exclusion or limitation of incidental or consequential damages or limitations on how long an implied warranty lasts so the above limitations or exclusions may not apply to you 7 Your product will be serviced on an in warranty basis within the warranty period for the correc tion of warranted defects If improper operation of your PrecisionPower product should occur contact your Authorized Dealer for assistance with the return and factory repair of your PrecisionPower product If an Authorized Dealer is not available return the unit including Jou name telephone number return address a copy of your sales receipt and a description o
4. Band Pass 7 Low Pass 2 4 High Pass i Frequency 13Hz 50Hz to 5kHz Two Way Mode High Pass 50Hz to 5kHz 13Hz 13Hz Three Way Mode wp e Low Pass 19 OO O Band Pass Low Pass 2 High Pass TO ACTIVELY CROSS THESE SPEAKERS USE THESE OUTPUTS Low Pass Bandpass High Pass Low Pass Bandpass or Low Pass 2 High Pass or both 7 BACK TO CONTENTS 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 SOURCE Headunit I7 RIGHT input Negative WARNING f you are using a source unit with bridged high powered or floating ground speaker outputs a suitable high to low level adapter must be used If you are unsure about your head unit see your local PrecisionPower dealer or call 1 800 62POWER BACK TO CONTENTS TROUBLE SHOOTING KAKA Is the LED lit YES NO Check Input cables for signal by Check Power and Remote turn on wire connecting them straight to the for voltage Make sure Ground wire is Subwoofer amplifier secure Lp ANY SOUND NOW YES NO Problem is in the Crossover See Problem is elsewhere in the system your local Authorized PrecisionPower Check head unit and amplifiers Dealer or call 1 800 62 POWER SOUND IN ONE CHANNEL ONLY Reverse left and right RCA outputs for one band i e
5. Dealer d the product is returned immedi ately to PrecisionPower This warranty is not transferable 2 Non Authorized Dealer Installed Products PrecisionPower will either repair or replace at no charge to the original purchaser any unit which PrecisionPower s examination discloses to be defective and under warranty provided the defect occurs within ninety 90 days from the date of purchase and the product is returned immediately to PrecisionPower Warranty claims beyond ninety 90 days for Non Authorized Dealer Installed Products will be for parts only and will extend for one 1 year from the date of purchase This warranty is not transferable 3 The date of purchase and proof of Authorized Dealer Installation of a PrecisionPower product must be established by an original sales receipt which must accompany the article being re turned for warranty work 4 This warranty shall NOT apply to any PrecisionPower product found to have the original fac tory serial number removed or defaced All products received by PrecisionPower for in war ranty or out of warranty repair with their original serial numbers removed or defaced will NOT be repaired and will be returned to sender freight collect Refer to original packaging for the serial number of your component speakers 5 The provisions of this warranty shall not apply to any PrecisionPower product used for a purpose for which it is not designed which has been repaired or altered in any way
6. subwoofers SOUND IS NOW IN OPPOSITE CHANNEL SAME CHANNEL Reverse RCA inputs Problem is in the amplifier speakers or associated wiring of the silent channel SOUND IS NOW IN OPPOSITE CHANNEL SAME CHANNEL Reverse RCAs at head unit Problem is in the Crossover See Check Balance control your local Authorized PrecisionPower Dealer or call 1 800 62POWER gt SOUND IS NOW IN OPPOSITE CHANNEL SAME CHANNEL Problem is in the head unit Problem is in the RCA cables LOW OUTPUT FROM ONE BAND Check crossover frequencies for Low Pass points set higher than High Pass points and check gain control on the affected amplifier s STILL LOW OUTPUT See your local Authorized PrecisionPower Dealer or Call 1 800 62 POWER 9 BACK TO CONTENTS 2 WAY SYSTEM DIAGRAM Source Unit PEQ 114 Preamp Equalizer gt a Orry High Pass Output i from EPX 223 EPX 223 Electronic Crossover Passive Passive Tweeter q Crossover Crossover b Tweeter MidRange in i MidRange POWERCLASS 2 channel Amplifier Low Pass Output from EPX 223 POWERCLASS 2 channel Amplifier Subwoofer 10 BACK TO CONTENTS 3 WAY SYSTEM DIAGRAM Source Unit PAR 245 Preamp Egualizer Front Output EPX 223 Electronic Crossover Passive Tweeter Crossover MidRange Rear Output High Pass Output from EPX 223 Passive Crossover Tweeter MidRange POWERCLASS Amplifier High Pass Mid Bass Band Pass Out
7. to bare metal Drill a pilot hole in the middle of this area Be Careful Inspect the area underneath to 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 Powerlock Finally the remote wire needs to run to the power antenna or amplifier remote lead of the head unit This wire supplies a 12 volt signal to the EPX 223 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 EPX 223 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 EPX 223 E BACK TO CONTENTS
8. Serial Number Purchase Date Kk pi 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 reasonable levels all of the sonic subtleties created by musicians Please observe all local sound ordinances BACK TO CONTENTS FEATURES SPECIFICATIONS Dual 2 Way or Single 3 Way Active Crossover Linkwitz Riley 12dB octave Slopes Integral 13 Hz Subsonic Filter Input Attenuation Detented Frequency Selection Controls Gold RCA Input and Output connectors PowerLock Power Ground and Remote connector PWM Power Supply Designed and Handcrafted in the USA gt Signal to Noise Ratio gt 102dB Total Harmonic Distortion 1KHz 1VRMS 0 002 Crossover Slopes 12 dB octave Crossover Frequencies 50Hz to 5kHz Input Impedance 10 KA Maximum Output 10 KO Load 8 VRMS Supply Voltage 11 15 VDC Dimensions 5 125 W 7 020 L 1 813 H 1 BACK TO CONTENTS FREQUENCY CHART C All crossover frequency controls are detented Each click counted from the full counterclockwise position corresponds to a specific frequency Refer to this chart and page 6 for set up instructions DETENTS POSITION FREQUENCY 7 O clock 49 Hz 50 Hz 51 Hz 52 Hz 54 Hz 58 Hz 62 Hz 66 Hz 72 Hz 78 Hz 86 Hz 10 O clock 96 Hz 108 Hz 124 Hz 144 Hz 162 Hz 178 Hz 188 Hz 200 Hz 12 O c
9. f the problem to PrecisionPower Inc Service Department 4829 S 38th Street Phoenix AZ 85040 2964 TO RETURN PRECISIONPOWER PRODUCTS OUT OF WARRANTY Return the unit postage prepaid in the original protective carton Please include a description of the problem and if desired a request for an estimate of repair costs Unless a request for an estimate is included the unit will be repaired as necessary Please contact PrecisionPower Customer Service at 1 800 62 POWER for questions concerning out of warranty repair charges Repaired unit will be returned with an itemized statement C O D BACK TO CONTENTS
10. lock 216 Hz 234 Hz 252 Hz 276 Hz 302 Hz 336 Hz 380 Hz 436 Hz 502 Hz 2 O clock 592 Hz 752 Hz 1000 Hz 3 O clock 1248 Hz 1568 Hz 1930 Hz 2448 Hz 3056 Hz 3680 Hz 4352 Hz 4704 Hz 4890 Hz 5000 Hz 2 BACK TO CONTENTS O OSI 0 01 BON INSTALLATION MOUNTING tlt 7S NOTE Before beginning disconnect the negative terminal of the battery to prevent an electrical short to ground Reconnect the negative terminal only after all connections have been made To prevent damage to the crossover 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 crossover in a location that would subject it to immersion or exposure to water ny My Once a location has been chosen securely mount the EPX 223 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 7 020 Dimensions 5 125 W 6 646 7 020 L 1 813 H BACK TO CONTENTS oo Factory Ground wire may uon 7A need to be replaced if it is E S frayed or broken N 4 e 4 i 1 Run signal cables RCAs Pere eee J and remote turn on lead down the opposite side of the vehicle from the power
11. put from EPX 223 POWERCLASS Amplifier Band Pass Subwoofer Low Pass Output from EPX 223 Subwoofer POWERCLASS Amplifier Low Pass BACK TO CONTENTS BLOCK DIAGRAM SSB M01 Sseg pueg Z SSE MOT Sseg uDiH 248190 PZL N SSE M01 ZH IS ZHOS ssed U IH SSE M01 248190 gPZL N SSed M01 ZHMS ZHOS sseq YOIH sseq U IH YOUMS Kew g ew 248190 PZL ZH EL ssed U IH 12414 9Iuosqns Zz o lt z LL lt gt Cl z m oO N ndul vou BACK TO CONTENTS WARRANTY M Three Year Limited U S A Warranty This warranty gives you specific legal rights and you may also have other rights which vary from state to state PrecisionPower warrants its products to be free from defects in materials and workmanship under normal use and service for a period of three 3 years from the date of original purchase when the unit is installed by an Authorized Dealer Non Authorized Dealer installed products carry a one 1 year parts and ninety 90 days labor limited warranty The extent and conditions of Limited Warranty are as follows 1 Authorized Dealer Installed Products PrecisionPower will either repair or replace at no charge to the original purchaser any unit which PrecisionPower s A et discloses to be defective and under warranty provided the defect occurs within three node from the date of original purchase when the unit is installed by an Authorized
12. wire to avoid radiated noise 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 I Power distribution block R 1 1 A L7 Attach Ground Wires s 27 firmly to solid metal NOTE Before beginning disconnect the negative terminal of the battery prior to working on the positive terminal to prevent a 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 4 BACK TO CONTENTS E li 1 The next step is to connect the Power Ground and Remote wires to your EPX 223 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 crossover that is metal the floor is ideal and clean an area about the size of a quarter
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