ARC Audio IDX Music Mixer User Manual
Contents
1. AUDIO 7 BAND EQUALIZER WITH DIRECT SUB INPUT IDX 3 WAY CROSSOVER WITH SUB SONIC FILTER MANUAL AND USER GUIDE LIMITED WARRANTY Before shipping this product back for service call for a Return Authorization number This number must be clearly marked on the outside of the box Terms amp Conditions ARC Audio warranties the unit to be free of any material defects or defects in workmanship for a period of one year and will repair or replace this unit or any part thereof only if it proves to be defective as a result of normal use In order to receive warranty service on this product the owner must promptly register by filling in and mailing the Warranty Registration Card Our obligation under this warranty is limited to repairing only the defective components of the unit thereof when it is returned shipping prepaid to ARC Audio This warranty is to be considered void if the unit has been tampered with connected contrary to the installation instructions in the owner s manual altered damaged by improper input voltages or polarity defaced or treated in a negligent manner All returns must be sent freight prepaid along with 10 00 to cover return shipping and handling Out of warranty service is available after the warranty expires Cost of repair is based on current repair labor rates plus the cost of shipping and handling When returning for repair pack the unit securely and send prepaid and insured to the ad2. 13 Master Volume Controls all Output including the Sub Out It is very handy to have one volume under your thumb for Fast and easy control 14 Clip Indicator Use these as a guide If the clip lights are flashing you re in the Danger Zone If the system can t get loud without the Clip lights flashing reevaluate your gain setting 15 EQ Frequency Controls If you know what an EQ does you most likely know what these do We ve crammed 7 bands into the for ultimate control at your fingertips 16 Fader Full front rear control to keep the people in the back seat happy 17 Sub Volume Or Sub Out level gives you total control of the Sub Gain at any time 2 WAY With DIRECT SUB INPUT C cc ccc Vome 275Hz 22khz 16KHz G A O O LH A A A aot R R Wn 4 Lome C meur 22 saue srana ocr WAT on m mange nuto e sue ou O oos XEQ O OX OOUODOUXO O 9o 2 WAY With FADING FRONT and REAR C SS ccc XEQ SPECIFICATIONS Signal to Noise Ratio A Weighted gt 100dB 111111 THD 8 0V Output 0 005 1
3. 3 WAY WITH ACTIVE FILTERING FOR MID BASS AND COMPONENT SET NOTE THE CONTROL POSITIONS SHOWN ARE ONLY ONE SUGGESTED CONFIGURATION YOUR SYSTEM MAY REQUIRE DEFERENT SETTINGS IDX SPECIFICATIONS C SS ccc 0 005 15Hz 150Hz 50Hz 500Hz 124 24 15Hz 500Hz 10 150 2 5 2 SUB SONIC SUB SLOPE OFF ON 1248 2408 15Hz 500Hz 10 150 2 5 2 50Hz 500Hz 10 500 2 5 2 SUB WOOFER CROSSOVER b se sw o 150 5 0 180 CNIDX ixioorr 500 X1 500Hz
4. 1 Channel Separation gt 75 45Hz 150Hz 12dB Octave DIRECT INPUT XEQ O Volume IDX Table of Contents Introduction 9 Features 10 Installation Information 11 Connections and Controls 12 Detailed Review of Controls 13 14 System Examples 2 Way Fading Front and Rear 15 3 Way With Active Filtering 16 for Mids and Tweeters 3 Way With Active Filtering for 17 Mid Bass and Component Set Specifications 18 Introduction Welcome to the Arc Audio family of performance signal processors A blend of Arc Audio s lengthy experience in performance car audio design combined with our highly skilled engineering staff You are now the proud owner of the IDX or XEQ A unique combination of the highest quality analog components and precision engineering Whether you are a competitor or simply enjoy faithfully reproduced music you will definitely appreciate how these products make your system sound These components aren t the easiest to understand and use It requires a good understanding of audio and the terms and language used to describe it You don t have to be a genius but a bit of experience and common sense will go a long way This manual is written in 2 parts IDX and XEQ Each of these units can be used separately or together to become the Control Center Before
5. Carefully design your system and decide on your basic crossover points This will give you a good starting point and a reference to return to when you begin final tuning If at any point you begin to feel overwhelmed return to your local Arc Audio dealer and let the trained professionals install or tune it for you XEQ Features 1 7 Band Equalizer 2 Variable Sub woofer Crossover 3 Front panel sub woofer output level control 4 8 Volt RMS Output 5 Direct Sub Input for Head units with Sub woofer Output 6 Sub EQ Bypass 7 Input Clip Indicator for Easy Gain Setting 8 4 Layer PC Board with SMT Technology 9 Front and Rear Fader 10 Quiet Mute for Noise Free Turn on s Advanced Features Direct Sub Input The XEQ is equipped with a Direct Sub Input That allows you to take full advantage of modern head units with Special features like Sub Output Time Alignment Bass Restoration And Sub Crossover You paid for these features We feel you should be able to use them and still enjoy the benefits of a high quality in dash EQ By connecting your head unit Sub out to the Direct Input All these features still work All the signal from your Sub out is directed to the Master Volume then to the Sub Level and Sub Crossover With the XEQ you get the best or both worlds Advanced System Controls and the full benefit of a High quality 7 Band EQ Installation Information The Connections and Controls 1 The XEQ needs to be install
6. WAY FADING FRONT AND REAR NOTE THE CONTROL POSITIONS SHOWN ARE ONLY ONE SUGGESTED CONFIGURATION YOUR SYSTEM MAY REQUIRE DEFERENT SETTINGS e 1 3 WAY WITH ACTIVE FILTERING FOR MIDS AND TWEETERS NOTE THE CONTROL POSITIONS SHOWN ARE ONLY ONE SUGGESTED CONFIGURATION YOUR SYSTEM MAY REQUIRE DEFERENT SETTINGS i SHOAZL SUB SONIC SUB SLOPE ives AL 7177 LILL ZNI FRONT REAR SUB WOOFER CROSSOVER CROSSOVER CROSSOVER sub Ph Sub Sub Xi Pi Sonic Freq Phase 15 150 50 500 0 180 IDX O X10 OFF 90Hz X 1 90Hz 0HzX1 90Hz 21 eo D sawas Sppe SUB WOOFER CROSSOVER FRONT REAR CROSSOVER CROSSOVER o aux Front Hi R MT LODGE RN E QO Q uoeoognu T 155000 O 50 500 75 ce A ear Lo Sub Sub Sub 699 50500 4 N IDX i x10 on 1 500Hz X10 5000H X10 OFF 10 ON Hz X 1 91 00Hz X 10 5000H IN BAND PASS MODE TO SO0Hz gt
7. X Over X10 Switch 6 Connect your outputs to your amplifier s It is recommended that you mark your RCA cables at both ends This will avoid confusion and reduce the trouble shooting later on 7 Don t fix the IDX permanently into place until you have configured all your crossovers 8 Now the fun begins Start tweaking It s amazing how much a tiny adjustment to hd 9 9 hd your crossover frequency can change your system This is very abbreviated description of a typical install Every install is a bit different Take your time and read your instructions you know you should If you begin to feel you re getting in over you head Pack it back up and take it to your nearest ARC Audio dealer for professional installation Alternate Mounting Locations Modern vehicles can be a real challenge to the creativity of your installer The compact design and side mounted controls of the IDX open up many more options for you FRONT SUB WOOFER CROSSOVER CROSSOVER Under seat installation and tuning has always been a nightmare with traditional crossover designs but the IDX can be easily tuned without removing the seat CROSSOVER Likewise many compact cars have small bins in the trunk that seem made for the IDX With a little creativity the IDX can do almost anywhere When you stop and think about it it s really more versatile the a traditio
8. R TE EQ It should NOT be on It may flash occasionally If it doesn t flash move lm Led l 454 the gains to 12dB Unless you have a very low output head unit the clip e sus 9 light will surely be flashing now If it is move back to 6dB or OdB ch Cm Cm 11 8 Now the fun begins With the EQ still out begin adjusting the sub E Du crossover Try to find a good neutral You can always change the level later 9 Start tweaking It s amazing how much a tiny adjustment to your EQ frequency can change your system XEQ O 10 Enjoy the results 42 O00000 Q Q ume SOHz 100Hz 275Hz 7S0Hz 22KHz 0 16KHz Fader CiplSubLevel C ry 55 1 Front Output Simply connect to the amplifier driving the front speakers This is a full range output so if you plan to run it hard you should use a crossover at this point 2 Rear Output Just like it sounds this is connected to the rear amp 3 Input Main Input should be a full range signal from the head unit If you are using the Sub Direct Input the signal could be crossover but the EQ will function better if you feed it a full range signal 4 Sub Direct Input This is where things get a little tricky If your deck has a sub woofer output with any kind of advanced feature you may wish to use the Sub Direct Input This input bypasses the EQ section and feeds signal to the Master Volume and to the Sub Out In this way all y
9. dress below ARC Audio is not responsible for damage incurred during shipping For warranty and non warranty repairs send to ARC Audio 4719 Green Leaf Cr 4 Modesto CA 95356 Tel 209 543 8706 ARC AUDIO Table of Contents Introduction Features Advanced Features Installation Information Connections and Controls Detailed Review of Controls System Examples 2 Way with Direct Sub Input 2 Way with Fading Front and Rear Specifications 1 9 Introduction Welcome to the Arc Audio family of performance signal processors A blend of Arc Audio s lengthy experience in performance car audio design combined with our highly skilled engineering staff You are now the proud owner of the IDX or XEQ A unique combination of the highest quality analog components and precision engineering Whether you are a competitor or simply enjoy faithfully reproduced music you will definitely appreciate how these products make your system sound These components aren t the easiest to understand and use They require a good understanding of audio and the terms and language used to describe it You don t have to be a genius but a bit of experience and common sense will go a long way This manual is written in 2 parts IDX and XEQ Each of these units can be used separately or together to become the Control Center Before you begin read this manual cover to cover does anyone ever really read the manual
10. ed in the signal path between your source 1 Front Output unit and your external amplifier s 2 Rear Output 3 Input 2 Physically mount the XEQ near the drivers listening position Make sure 4 Sub Direct Input the EQ is kept clean cool and dry Don t mount it under a cup holder or in 5 Sub Output a storage box were it will be covered with the stuff that always seems to 6 Power Connector collect in our cars 7 Input Gain 8 Sub Input Gain 3 Hook up 12 volt power ground and remote turn on Make sure the 9 Sub Crossover Switch ground is perfectly clean and tight Remove all the paint and under coat 10 Sub Direct Input Switch before you screw it down Don t trust the stock ground Make a new one 11 Sub EQ Bypass 12 Sub Frequency Control 13 Master Volume 14 Clip Indicator 15 EQ Frequency Controls 16 Fader 17 Sub Volume 4 Connect the front output of you head unit to the front input of the XEQ 5 Connect the Sub out to the Direct Sub Input This is optional Make sure the switches on top are configured correctly 6 Don t fix the EQ permanently into place until your gains have been set 7 Adjust the Input Level control on your to match the source unit s v M hd output With the head unit volume at about 75 of max move the gain E Lx op ngu ph Switch from OdB to 6 dB Look at the input clip light on the front of the R L R
11. nal design 1 Front Input This is the default input If you are using one input 2 CH connect your RCAs here 2 Rear Input Use the rear inputs for 4 channel operation In this configuration you can have faded front and rear front your hear unit 3 Front Output Front output in name only If you re using the IDX in 3 Way this will be your High Pass x over This is a High Pass only crossover 4 Rear Output The rear output can be set as High Pass Low Pass or Band Pass To use the Band Pass mode you will need to set both High Pass and Low Pass switches on top of the unit With both turned on the output will switch to Band Pass Note For this to work the High Pass will have to be set at a lower frequency then the Low Pass The Low Pass will filter out the high frequencies above the Band Pass The High Pass will filter out the low frequencies below the Band Pass Confusing Look at the little lines printed below the controls This will help give you a good mental picture of what s happening 5 Sub Output The Sub Output gets its signal by combining the front and rear inputs If you re using the 2 Channel input option your entire signal will come from the Front Channel input 6 Power Connector 12 Volt Remote and Ground We recommend using a dedicated 12 Volt from the battery and a fresh ground Remember this Crossover has an 8 volt output It takes a good amount of current to run 7 Input Mode Switch Select between 2 Chan
12. nel or 4 Channel input When in 2 Channel Mode the IDX will turn off the Rear Channel input and only except input from the Front input to drive all the output channels 8 Front Crossover Switch High Pass or Full Range Turns the crossover on or off 9 Rear Hi Pass Switch Turns on the rear High Pass When you use this with the Rear Low Pass the output becomes a Band Pass 10 Rear Low Pass Switch Same as above 11 Sub Sonic Filter Switch The IDX is equipped with a variable Sub Sonic Filter 12 Sub X Over Slope Switch 12 or 24dB 13 Front X Over X10 Switch It is impossible to accurately adjust a crossover with a frequency range from 15Hz to 5000Hz Even the tiniest turn would make a huge change For this reason we have added a X10 or 10 times switch When this switch is activated the frequency will be 10 Times that marked on the face 50Hz becomes 500Hz 500Hz becomes 5000Hz 14 Front X Over Gain Each crossover has its own gain This will make up front tuning much easier You will only need to make basic adjustments to your amp gains 15 Front Frequency Control 15Hz to 500Hz 150Hz to 5000Hz in X10 mode This should cover most speaker combinations 16 Clip and Power Lights To ease tuning the clip lights will begin to flash just before the output clips This will help insure the amps receive a clean unclipped undistorted signal 17 Rear High Pass X10 Switch Same as the Front X10 Switch 18 Rear High Pass Control Con
13. ou features still work 5 Sub Output Connect to your Sub woofer amp or amps 6 Power Connector 12 Volt Remote and Ground We recommend using a dedicated 12 Volt from the battery and a fresh ground Remember this EQ has an 8 volt output It takes a good amount of current to run 7 Input Gain Most modern head units have between 4 and 8 volt outputs With this input level the XEQ gains should be left at 0 Only use the 6dB and 12dB in extreme conditions were you just can t get enough gain from the head unit 8 Sub Input Gain know it s tempting to add a bit more gain to the Sub input but this isn t the place to do it most cases it should match the input gain 9 Sub Crossover Switch The XEQ has a 12dB Sub woofer crossover This feature can be bypassed by setting the switch to Full Warning The Sub Out will now be Full Range 10 Sub Direct Input Switch Bypasses the EQ and routes the sub signal directly to the Sub Out allowing the use of the advanced features in your head unit 11 Sub EQ Bypass With this switch it is possible to bypass the EQ for the sub out This could be helpful for tuning your mid bass woofers without making any changes to the sub woofers This switch must be in Bypass mode if you are using the Sub Direct In 12 Sub Frequency Control Be sure to make your final adjustments to the Sub crossover before you mount the unit into the dash of your car You will need to complete your tuning first
14. ront X Over Gain 2 Rear Input 15 Front Frequency Control 2 Because of it s small size the IDX can be mounted almost anywhere The chassis 3 Front Output 16 Clip and Power Lights is designed to fit a 1 2 DIN opening however it will work just as well under a seat or 4 Output A in the trunk For easiest tuning mount it near the drivers listening position Make sure Rear 17 Rear High Pass X10 Switch the Crossover is kept clean cool and dry Don t mount it under a cup holder or in a 5 Sub Output 18 Rear High Pass Control storage box were it will be covered with the stuff that always seems to collect in our 6 Power Connector 19 Rear X Over Gain 7 Input Mode Switch 20 Rear Low Pass Control 3 eru up 12 voli power groune ang remote umon MaKe Se the ground is 8 Front Crossover Switch 21 Rear Low Pass X10 Switch perfectly clean and tight Remove all the paint and under coat before you screw it 9 Rear Hi Pass X over Switch 22 Sub Sonic Filter Control down Don t trust the stock ground Make a new one 10 Rear Low Pass Switch 23 Sub X Over Gain 4 Connect the front output of you head unit to the front input of the IDX 41 Sub Sonic Filter Switch 24 Sub Frequency Control 5 You may choose to connect the rear output of the head unit to the rear input of the 12 Sub X Over Slope Switch 25 Phase Shift Control crossover This is optional Make sure the switches on top are configured correctly 13 Front
15. trols the High Pass Frequency It is also use to remove the low frequencies when in Band Pass 19 Rear X Over Gain Same as the front Gain 20 Rear Low Pass Control Controls the Low Pass Frequency It is also use to remove the high frequencies when in Band Pass 21 Rear Low Pass X10 Switch Same as Rear High Pass X10 but for the Low Pass control 22 Sub Sonic Filter Control Removes the lowest frequencies from the bass signal These frequencies are the hardest to reproduce by an amp Rarely can they even be heard by the human ear In some cases when you use a ported box the woofers can be damaged by frequencies below the port tuning frequency These are just 2 reasons to use a Sub Sonic Filter 23 Sub X Over Gain This is the one control most likely to be turned up all the way Don t worry the clip light will tell you when you are getting into trouble 24 Sub Frequency Control Unlike the other frequency controls this one does not have a X10 switch 25 Phase Shift Control Timing is everything a typical install the mid bass speakers are in the front of the car between 3 to 5 feet from you ear The sub woofer is all the way in the back 9 to 12 feet way Sometimes more The Phase Shift can be used to compensate for this difference in distance by causing the sound from both speakers to arrive at your ear at the same time This can really help bring the bass up front making the system sound more like a live performance 2
16. you begin read this manual cover to cover does anyone ever really read the manual Carefully design your system and decide on your basic crossover points This will give you a good starting point and a reference to return to when you begin final tuning If at any point you begin to feel overwhelmed return to your local Arc Audio dealer and let the trained professionals install or tune it for you IDX Features 1 3 WAY Electronic Crossover 2 DIN Mounting Option 3 Fully Variable Band Pass Crossover 4 Sub Sonic Filter 5 Variable Sub Phase Shift 6 Independent Front and Rear Inputs 7 8 Volt RMS Output 8 Output Clip Indicator for Easy Gain Setting 9 4 Layer PC Board with SMT Technology 10 Quiet Mute for Noise Free Turn on s Advanced Design Features The IDX is designed to take full advantage the front listening positions by making it easier to make adjustment without constantly jumping in and out of the car Clearly this method does not require the sound memory typically needed to tune a system You hear any change you make while your hand is still on the control If it works you leave it If it doesn t you can change it back immediately This reduces the time needed to Get into the Ballpark and get down to some serious fine tuning installation Information The Connections and Controls 1 The IDX needs to be installed in the signal path between your source unit and your E extemal amplifier 1 Front Input 14 F
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