a/d/s/ PQ40.2 Car Stereo System User Manual
Contents
1. series parallel wiring analog and digital systems 402 4Q 4Q 4 signal sources Due to the wide input level adjustment range all a d s PowerPlatesm can be driven with either a conventional preamplifier drive signal or the amplifier signal from a powered source unit This makes the PowerPlatem perfect for upgrading an OEM Original Equipment Manufacturer stereo system while retaining the factory installed radio Because of the high impedance of the a d s input stage the factory radio drives an easy load This ensures lower distortion levels than if it was driving speakers or a Line Output Converter accessory As a result a high quality factory installed radio can deliver high quality sound which is nearly as good as the sound from a high end aftermarket source unit The speaker outputs of the factory radio are simply connected to a mini DIN adapter as shown below From this point on the signal can be treated exactly as you would a preamp level signal except that the input level controls on the PowerPlatem will be set to a lower than usual level when you make your final adjustments Conventional aftermarket sources may be connected using standard shielded RCA cables from the source units preamp outputs to the PowerPlatem inputs Note When using 4 channels of input be sure to configure the 2ch 4 ch input switch to Ach input Failure to do so may result in damage to the source unit P EE ads s rj2. Avoid shipping Products via the postal service If you must use the postal service be sure to register and insure the package a d s Limited Warranty Analog and Digital System Inc a d s warrants to the original consumer purchaser of the a d s Products described in this manual that the Product will be free from defects in materials and workmanship for a period of one 1 year after the date of purchase if the Product is installed by an authorized a d s retail dealer the warranty is extended to three 3 years a d s sole obligation under the warranty shall be to provide without charge parts and labor necessary to remedy the defects if any that appear during the warranty period This warranty is the sole and exclusive express warranty given with respect to the Product All other express warranties are hereby excluded Neither a d s not the authorized dealer who sells the Product is responsible for indirect incidental or consequential damages Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state IMPORTANT This warranty does not cover Damage that is the result of misuse abuse accident including but not limited to damage by water faulty hookup defective or maladjusted associated equipment or the use
3. Low pass and Bandpass functions are built in virtually eliminating the need for external crossover networks in even the most elaborate systems Constant Bass circuit Signal from all input channels is summed low pass filtered and then made available PowerPlate Design a d s original low profile high efficiency heatsink design keeps size to a minimum and allows mounting where space is limited Wide Input Sensitivity Range Allows connection to virtually any source unit from factory OEM radios through low output preamps Simultaneous Stereo and Mono Each channel pair may be used Stereo Mono Bridged or both Stereo and Mono simultaneously This allows an additional Mono speaker to be used with a stereo pair for center channel or subwoofer applications from each channel pair using passive crossovers Same Side Adjustments The P series PowerPlate makes system adjustment easy by organizing all signal processing controls on one side of the amplifier This layout allows convenient system adjustment and facilitates a variety of installation possibilities when access to the controls is desired a d s analog and digital systems warnings and tips Always disconnect the battery ground wire before doing any work on your vehicle Reconnect the symptom cable only after the installation is complete and the wiring has been checked to make sure that there are no problems If your radio features a code type security system be sure
4. O NI YOUMS siy usnd u yis ssedybiy p g JeAOSSOID p abed ees z pue sjeuueu 104 UIOd 1eAossoJ ssedubiu eui ses ouo siy AouenbaJ Z JeAOSSOID p obed aes Ajaanoedsa z pue sjleuueu oj Jeubis p pue Jeuueu pues JO HO Jo UO JBAOSSOID Z BUULYD ay uni IM 23IMS siy Q23IAAS Z JAAOSSOID 8 abed ees speuueu jeui duue jo wed q ee o LUN e inos y woy e e INU SY YEW oj s ojuo eset esp sonuoo e el p ebed ees AjeAnoedsai y pue e sieuueu oi z due 3ndui pues o indui Jo sjeuueup z AJUO eAeu NOA JI NI YOUMsS eui usng 3ndui Jo sjpeuueup p Hulsn ae noA JI LNO yams siy aves uois indul u p u z SJOJ1UOD J AOSSO pue JelJiduue CN OO S LO OR 0 11 a d s a d s analog and digital syst analog and digital systems
5. of the Product with equipment of which it was not intended Cosmetic defects that appear more than thirty 3 days after the date of purchase Cosmetic damage caused by improper handling is also excluded Products that are used for commercial purposes The cost of removing or reinstalling the Product Damage that occurs while the Product is being shipped to whoever will service it See the infor mation above regarding shipping procedures This warranty is void if The Product identification or serial number is removed or defaced in any way The Product is serviced or repaired by anyone other than a d s or an authorized a d s dealer or service agency Original sales receipt Be sure the retail dealer has written on it the date model number and serial number if applicable of the Product This information is required for warranty service This warranty is limited to Products purchased from authorized a d s retail dealers in the United States a d s will supply a list of authorized dealers on request In order to obtain warranty service you must Return the Product freight prepaid to the a d s dealer from which it was purchased an Autho rized a d s independent service agency or to a d s If necessary you may call a d s Customer Service Department for the names and address of authorized independent service agencies in your area Provide proof of purchase in the form of a copy of your original sa
6. 3 Set the input and output level controls if any on any associated equipment such as equalizers or outboard electronic crossover as recommended by their manufacturers 4 Select a well recorded CD or Tape containing material recorded at a fairly high level Musical content is not important except that the music chosen should be recorded such that any system distortion can be clearly heard not masked by musical content 5 Increase the source unit volume control about halfway Increase the PowerPlateTM level control associated with the front full range or midrange in a bi amplified front system until you can hear sound at a low but clear level 6 While listening carefully for any signs of distortion slowly increase the source unit volume control until you either hear the first signs of distortion or you can t turn it up any more Back down on the volume control slightly until the distortion goes away You have just found the maximum undistorted output level of your source unit Do not exceed the level in normal operation as doing so will just send a distorted signal to the rest of the system 7 Returning to the PowerPlater level control associated with the front main speakers slowly increase it until you reach the point where distortion just begins to appear This will be at the point where either the amplifier reaches its maximum output level or the speakers reach their output limits Either way you have just calibrated the system so that
7. 3 with input channel 2 routed to i amplifier channels 2 and 4 A Switch in the engaged position When the switch is disengaged channels 1 2 3 and 4 receive signal individually from their respective inputs um cn 4 Switch in the disengaged position eii ex 3 e multi crossm crossover configuration xover control 1 2 The crossover selection for channels 1 amp 2 has three possibilities umi T When the switch is in the left position the crossover section of the amplifier is bypassed Channels 1 amp 2 output is full range Ta Bape o weer Lh When the switch is the center position channels 1 amp 2 are filtered through a Ww m 12dB per octave high pass crossover that is infinitely variable from 45Hz to d 5 000Hz i Tem crossover output of channels 3 amp 4 Note When the switch is in the right E When the switch is in the right position channels 1 amp 2 receive signal from the j position the output level is controlled by the ch 3 4 level control The crossover sections dedicated for channels 3 amp 4 are activated by e oone depressing the switch next to each frequency adjustment control O Cj O Cj Both high pass and low pass crossovers are infinitely adjustable from za o7 0 Ss 45Hz to 5 000Hz The high pass and low pass sections may be used Myron eu individually or together to create a bandpass filter Note When using both sections to create a bandpass filter make sure you have
8. Feet 22 connect signal source preamp E outputs to rca inputs or connect speaker outputs from signal source to mini Din input adaptor Pin Wire Color Connects to Head Unit PIN p 1 gray front right PING pem SESS PIN8 2 violet black rear right TN a 3 white front left 7 MAD i N 4 gray black front right f lo c NN N 5 white black front left dHl 6 green rear left PINS i e c ee P oe 7 green black rear left die i ud i N 8 violet rear right X Na an PS PIN 1 vd lt PIN 2 e PINA E FRONT VIEW a d s analog and digital systems adjusting input sensitivity The input sensitivity setting is important to ensure proper performance low noise levels and maximum system reliability As a general rule components at the front end of the system should be set as high as possible with the input sensitivity of the amplifier set as low as possible while still providing adequate volume levels Using a high signal level from the source and a low input sensitivity setting on the amplifier will keep the background noise levels of the system low The following procedure will help you get the widest dynamic range from your system 1 Start with the input level controls of your PowerPlatem at the minimum counterclockwise position 2 Set the tone controls and any controls on equalizers or other signal processors to their flat or bypassed positions
9. PQ40 2 owner s manual g m m a d s 2001 analog and digital systems inc table of contents abour tasmania rone ee we TOO 2 fears OT vou POWERIT M cus ef actione a eS len ele atu oa naso 2 Waren ana ST Sens taht at a S A S S 3 MOUM OCIO aeee a r al dur 3 E ATE EE A E ne ate A eo nn EEE eee E 4 NEE O CCS comedere EE EE ENE E N EE ON E AT kaneis 5 Sercon gU aO dde ote md dos ts iit E T E E 6 TALE E EES aE E PAIE E E E EET EIT PEA E E EE E E AA 11 12 PINS i cha ON tie See ce E IM A LM ee S T3 coritrols and COMMECT ONS ass AAE baud wnat pa oestelo ends EE etre 13 14 multi cross crossover and configurations x i ctae eub i ta ie 15 16 CN toS tA pL Lc e UL M MM DM EM UI RS 17 mogblesbeoU dan mec cL tct E E E nd E D 19 senses ioi TT T 21 Wisata LOFT OT Mez ch e nta faded eed seb dean ase tasa ur us Boose foe Pe eee a E 227 introduction Although it may be hard to remember back in the 1970 s car audio as we now know it didn t really exist Sure music lovers could buy a cassette or 8 track tape deck and some 6 x 9 three way speakers Advanced stereo buffs might even add a power booster to increase output to as much as 12 watts RMS But none of this really delivered the power to cut through road noise with sound quality that compared with the best home audio Not until 1979 that is when a d s introduced the revolutionary PowerPlatem P100 amplifier and 300i 2 way plate loudspeakers Aesthet
10. ailed top end tighter bass more explosive dynamic contrasts and virtually holographic imaging Left intact are the P series unequalled flexibility high efficiency and superb reliability These along with multichannel design are fundamental in the a d s approach to systems engineering which makes achieving true high fidelity reproduction simple and predictable in any installation a d s analog and digital syst warranty There are two things you must do to ensure trouble free service in the event you need warranty repairs 1 Keep your original sales receipt in a safe place A copy of the receipt will be required to obtain warranty service 2 Be sure your retail dealer has written the date model number and serial number if applicable of the product on the receipt To give yourself an extra measure of protection make a separate record of the information about your purchase and keep it in a safe place In the event you misplace the sales receipt your dealer may be able to give you a copy Take a moment now to read the terms of your warranty Check to be sure your sales receipt is dated and has the product model number and serial number if applicable on it Then put it away in a safe place When shipping a Product in for service Enclose a copy of your original sales receipt that has the date product model number and serial number if applicable written on it Always ship Products in the complete original packing material
11. al systems i i System 7 Two PQ40s both set up as in system 2 One amp drives front speakers and one subwoofer nsta lati On with the second amp driving rear speakers and one subwoofer 1 Disconnect the battery ground cable Reconnect the ground cable only after the installation is complete and the wiring has been checked to make sure that there are no problems If your radio features a code type security system be sure you know the code before disconnecting the battery 2 Run a minimum AWG 8 power wire directly from the battery to the PowerPlate mounting location Install a fuseholder at the battery end of this cable either within 18 of the battery or before the wire runs through any metal partitions Do not install the fuse at this time 3 Attach a minimum AWG 8 ground wire to a solid chassis ground point near the mounting loca LIU Umm m ad is UU Lf AT tion Keep this wire as short as possible Scrape all paint and primer off of the sheet metal at the t ground point to ensure a good electrical connection Attach the wire to the ground point with a nut bolt and star washer If this doesn t work we recommended that a seperate 8 ground be run back to the battery terminal 4 Run the signal leads and remote turn on leads from the head unit to the PowerPlate location Refer to the signal sources section for the proper wiring connections O s 1001 Bees 388 5 Run each of the speaker l
12. ations Larger systems may be built from a combination of the simpler building blocks as shown in systems 5 and 6 C button is disengaged C control is non operational o button is engaged o control is operational System 1 PQ40 used in 4 channel mode with front and rear full range speakers 4 M i o p ol mre e AEn AnA On eae lo mar 5 1001 3 OSS 556 a 7 F ra a d s analog and digital syst System 2 PQ40 used in 3 channel mode with high pass main speakers and low pass subwoofer Note Although shown as 2 channel the source unit may be either 2 or 4 channel depending on the setting of the 2 4 channel switch m gI Ogg Dono O 5 100 1 gs28 000 System 3 PQ40 used in 4 channel mode with 2 channels high pass 2 channels low pass or bandpass Depending on the crossover frequency chosen this configuration may be used for satellite subwoofer operation or to bi amp a midrange tweeter combination as shown Note Although shown as 2 channel the source unit may be either 2 or 4 channel depending on the setting of the 2 4 channel switch a d s analog and digital syst pe Oque qq pim DU 1 b Q ra 4 E f gt ay a a o aaoooo dup OSS ooo NE digital crossover frequency display To facilitate quicker system tuning we have incorporated a digital display that shows the crossover frequency for each crossover section including the lowpa
13. cable Install an 80A fuse in the power wire within 18 of the battery Keep the ground wire to a minimum length and attach solidly to a clean metal part of the vehicle The addition of a 5 Farad to 1 Farad power supply capacitor mounted as close as possible to the 13 PowerPlaterm may improve 10 a d s performance in some systems a d s analog and digital systems analog and digital systems 9 eBed ees INO SI upyiws Y ueuM e e p E 12 euueuo JO NI SI uos ay uayM jara sseq 1ue1suoo eui ouo JIM Z082 v SU Jonuoo e e eyoulel ZOGDV Jeuondo ue Bulsn UaYAA Jonuo ZOGIV ZL 94 ebed ees Jeubis sseq 1ue1suoo eu JO JUIOd JaAOSSOID ssedmoj eui sjes onuoo siy A uenbaJ sseq 1uejsuoo 9 abed ees p g pue Z sjeuueu gui uoneuuJoJul Sseq qns OUOLU pawns XILU 0 sjoljuo s y asn e e sseq 1uejsuo 0 S abed ees p g pue z sjeuueu JO uoneinBijuoo oaas Jo pe amp puq OUOW si 3nd3no eui JeujeuA eutuejep seuils eseu seupiMs 1ndino 6 GL abed ees y pue sjeuueup 104 1urod JaAOSSOID ssedMo y sjes oJ3uo siy AonuenbalJ ssed o p JeAOSSOJO 8 abed ees Je ossoJ y ssed q MO JO Ile ossoJ ssed o p g euueu eu e1eAn e o NI YOUAS siy YSNg yams ssedmo p JeAOSSOJO G ebed ees p pue g sjeuueup 10J 1UIOd JeAossoJ ssedubiu eui sjes ouo SIU AdUanbea ssedubiu p g JeAossoJo g abed ees 4e ossol ay ssed q o 10 JO 1e 0ssoJ ssedubiu p g jeuueup y eyeanoe
14. eads to the PowerPlatem location Connect the speaker remote and power wires to the appropriate terminals on the plug in connectors Refer to the controls and connections or system planning sections for information on the proper connections 6 Preset the 2 4 channel selector switch crossover and channel mode switches and crossover fre quency switches to the desired positions Refer to the controls and connections section for more information 7 Adjust all amplifier input level controls to the 1 4 position to full counter clockwise than turn clockwise 1 4 turn 8 Mount the amplifier into position and plug in the power and speaker terminals Attach the input signal cables 9 Reattach the battery ground cable 10 Attach a minimum AWG 8 ground wire from the battery ground terminal to a solid chassis ground point near the battery see 3 11 Double check your switch and control settings Install an 80A fuse in the fuseholder you have installed near the battery 12 Turn on the signal source at a low volume level Using the balance and fader controls check to see that each channel is connected to the proper speakers Make sure that the proper frequency range is being sent to each speaker if you are using the crossover features built in to your PowerPlate 13 Adjust the input sensitivity and crossover frequencies as described in the tuning section controls and connections Use AWG 8 or larger power and ground
15. els 1 2 and 3 4 Using the AC502 optional The AC502 remote level control available as an accessory from your a d s dealer may be used with your PowerPlatem to remotely adjust the level of channels 3 4 OR to remotely adjust the constant bass level To use this feature simply connect the AC502 into the DIN connector on the PQ40 and install the AC502 in the desired location To adjust the constant bass level Locate the AC502 control switch on amplifier and push IN or leave it OUT to control the level of channels 3 4 This remote capability can also be used on channels 1 2 when the PQ4O is used in the 2 channel bridged mode Refer to the adjustments section for information on setting up the AC502 for the appropriate adjustment range tuning tuning the crossover All of the crossover controls in the multi crossTM crossover section are marked at four reference frequency points These are 45Hz 175Hz 600Hz and 5 000Hz Specific crossover points should be chosen based on the operating range recommended by the manufacturer of your speakers The 85Hz position is a good starting point to use for subwoofer low pass or midrange high pass use When bi amping a d s loudspeaker components 2500Hz is a good starting point for the midrange low pass and 3500Hz is recommended as the tweeter high pass Once installed you can fine tune the crossover points using your ears or with the aid of an RTA to achieve maximum performance With any loudspeaker m
16. extend the warranty to three years instead of the standard one year However if you feel that you have the necessary skills and prefer to perform the installation yourself this manual will guide you through the process of installation and set up Please read through it completely before beginning the installation so that you may familiarize yourself with the total procedure before you begin If there is anything that you do not fully understand please consult with your a d s dealer before attempting the installation keep listening but be safe Sustained listening to loud music over 100dB has been shown to cause permanent hearing damage Systems using a d s components are capable of achieving volume levels which substantially exceed this level When operating your system for sustained periods at high volume be sure to use hearing protection to prevent long term exposure We want you to be able to enjoy the music for many more years features of your PowerPlate Remote Level Control Capability Can be used with accessory control AC502 to provide a dashboard mounted rear channel subwoofer or Constant Bass level control Digital Crossover Frequency Display The crossover frequency for each channel pair is displayed on the top of the amplifier for quicker more precise system tuning Detachable Plug in Connectors High current speaker and power connectors simplify installation Multi cross Variable Built in Crossovers High pass
17. for speaker multi cross section of this manual check system with known working speakers and repair or replace as needed system planning Proper system planning is the best way to maximize your PowerPlateSw performance By planning your installation carefully you can avoid situations where the performance or the reliability of your system is compromised Your authorized a d s dealer has been trained to maximize your system s sonic potential Your a d s dealer is a valuable resource in helping you with your system design and installation speaker requirements Each channel of your PowerPlate can easily drive 2 Ohm speaker loads when used in the stereo mode When a channel pair is bridged the recommended minimum load impedance is 4 Ohm Do not use speakers or combinations of speakers that result in less than a 4 Ohm load when in bridged mode or 2 Ohm in stereo mode Most speakers designed for car audio operation have in 4 Ohm impedance Connecting two such speakers in parallel will result in a 2 Ohm impedance load as seen by the amplifier Some a d s subwoofer models feature a dual 4 Ohm voice coil design Connecting these voice coils in parallel will result in a 2 Ohm nominal impedance which is not recommended for use with bridged channels of your PowerPlatem amp T series wiring GEM 20 4Q e L z parallel wiring M 4Q T 4 2 a 4Q a d s
18. ically the P100 introduced the low profile design which has been an a d s trademark to this day Technologically the P100 combined a high efficiency switching power supply with a state of the art discrete high current stereo power amplifier For the first time a car audio system existed with the musical integrity and dynamic range that made you want to take long drives to nowhere just to listen to the music High quality car audio was born and the original a d s PowerPlate P100 made it happen The latest improvements to the PowerPlate M line up include increased heatsink area to facilitate higher power output Constant Bass circuit for subwoofer signal that can be mixed into all channels and fully balanced high level inputs compatible with any source The amplifier you have purchased is an enhancement of the respected P series multichannel amplifiers In this version we have improved upon the already acclaimed sound quality by addressing internal details and upgrading selected components to incorporate the latest technology which was not available when the P series was originally designed Selected low noise high speed op amps are used in critical circuits Class A B biasing is used throughout the voltage gain and active crossover stages Numerous modifications and tweaks were also performed which improve the power supply dynamics and reduce noise These changes improve transparency and dynamic linearity resulting in a smoother and more det
19. inor deviations from the recommended frequency ranges may provide superior results depending on your speaker locations and your vehicle s acoustics Setting crossover frequencies higher than recommended will not cause damage and may provide good results However DO NOT set high pass tweeter crossover points below the tweeter s recommended operating range Doing so will likely cause damage not covered by the manufacturer s warranty If you are using non a d s speakers refer to the manufacturer s recommendation for selecting the proper crossover frequencies 17 a d s analog and digital systems The throughput DIN connector allows easy access to Channels 1 4 inputs for routing to additional amplifiers in your system by using the optional AC202 DIN to female RCA or AC207 DIN to male RCA adapter DIN throughput connections pin 1 ch 4 pin 2 audio signal ground pin 3 ch 2 pin 4 ch 3 1 pin 5 ch 1 pin 6 not used pin 7 not used pin 8 remote power control system configurations All a d s PowerPlatesm provide extensive features which make a variety of system configurations possible It is not feasible to cover all of the possibilities within the few pages of this manual There are a few system configurations however which are extremely popular when used alone or as a building block of a larger more elaborate system Please review systems 1 through 4 described below for suggestions on how to configure the most popular combin
20. les receipt The date model number and serial number if applicable of the Product must be written on the sales receipt 22 a d s analog and digital systems specifications amplifier section PQ 40 2 power output 4 watts 4 channel 4 x 100 2 channel 2 x 300 power output 2 watts 4x 150 fuse type 60 A maxi dimensions 1373 16 1797 362 distortion all channels driven 0 196 20Hz to 20 000Hz frequency response 1dB 10Hz to 30 000Hz signal to noise ratio full gt 90dB bandwidth rated output power damping factor output RID connector full bandwidth input sensitivity 100mV to 8Vrms for full output input impedance 47 k crossover section3 ch18 amp 2 high pass 12dB octave variable 45Hz 5kHz ch3 amp 4 high pass amp low pass 12 octave variable 45Hz 5kHz constant bass low pass 12dB octave 30Hz 300Hz 1 All channels driven continuous FTC rated 4 load 20Hz to 20 000Hz 0 196 THD power input voltage at 13 8DVC 2 All channels driven continuous FTC rated 2 load 20Hz to 20 000Hz 0 196 THD power input voltage at 13 8DVC 3 All channels are selectable with infinitely variable adjustments from 45Hz to 5 000Hz with a slope of 12dB octave and a Q of 707 21 a d s analog and digital systems about this manual To get the most from your a d s PowerPlatem we recommend that you have the installation performed by your qualified authorized a d s dealer If this unit is installed by your dealer we will
21. mpedance load to amplifier too low or wired 2 stereo or4 mono short in power wire or incorrect fuse used is smaller than too much current being drawn a d s analog and digital systems action to take check speaker polarity and repair as needed reset crossovers referring to the multi cross crossover configuration section of this manual for detailed instructions check speaker impedance load if below 2 stereo or 4 mono rewire speakers to achieve a higher impedance check power and ground connections and repair as needed replace with proper fuse size check speaker impedance load if below 2 stereo or 4 mono rewire speakers to achieve a higher impedance check power and ground connections and repair as needed check speaker impedance load or 4 mono rewire speakers to achieve a higher impedance check power and ground power connections connections and repair as needed replace with proper fuse size recommended check speaker impedance load if below 2 stereo or 4 mono rewire speaker to achieve a higher impedance check power and ground connections and repair as needed 20 troubleshooting symptom no output audio cycles on and off distorted output 19 possible cause low or no remote turn on input fuse blown power wires not connected ground connections and audio input not connected or no output from source speaker wires not connected speakers are blown thermal
22. protection engages when amplifier heatsink temperature exceeds 85 C loose or poor audio input amplifier level sensitivity set too high exceeding maximum output capability of amplifier impedance load to amplifier too low shorted speaker wires speaker not connected to amplifier properly internal crossover not set properly crossover configuration speakers are blown a d s analog and digital syste action to take check remote turn on voltage output at amplifier and correct as needed check power wire integrity and reversed polarity repair as needed and replace fuse check power wire and repair or replace as needed check input connections and signal integrity repair or replace as needed check speaker wires and repair or replace as needed check system with known working speaker and repair or replace speakers as needed make sure there is proper ventilation for amplifier and improve ventilation as needed check input connections and repair or replace as needed reset gain referring to the tuning section of the manual for detailed instructions check speaker impedance load if below 2 stereo or 4 mono rewire speakers to achieve a higher impedance check speaker wire connections and repair or replace as needed check speaker wiring and repair or replace as needed refer to the installation quick reference section of this manual for detailed Instructions reset crossovers referring to the
23. r brake lines or electrical wiring Use a marking pen or awl to mark the hole locations and pre drill using a 1 8 bit Passenger compartment mounting All PowerPlates have been designed with a low profile to make under seat mounting possible Regardless of where you choose to mount your PowerPlatew be sure to keep a minimum of 1 of clearance around the amplifier for adequate airflow to prevent overheating amplifier fuse blowing Trunk compartment mounting The most common mounting location is in the trunk or cargo compartment For optimum cooling mount the PowerPlatem chassis vertically with the fins running vertically or mount the PowerPlatem horizontally with the fins pointing upward Avoid horizontal mounting locations with the fins pointing downward Also locate the PowerPlatem where it and connections to it will not be damaged by cargo or tools which may shift during vehicle operation Engine compartment mounting Don t even think about it The PowerPlatem was not designed to endure the harsh chemical and heat environment of the engine compartment Failure to obey this warning will void your warranty a d s analog and digital systems possible cause Speakers wired with wrong polarity causing cancellation at low frequencies crossover set incorrectly impedance load to amplifier too low short in power wire or incorrect power connections fuse used is smaller than recommended too much current being drawn i
24. selected a low pass frequency which is higher than the high pass frequency 15 a d s analog and digital systems System 4 PQ40 in 2 channel bridged mode Commonly used for subwoofers but may also be used for full range midbass or midrange applications depending on crossover mode and frequency setting Optional AC502 can be used in this mode m OO 000 ooo O Flex 299 System 5 PQ40 used in front high pass rear tri mode operation Channels 1 amp 2 can be configured for high pass or full range operation Rear channel must be configured for full range operation Important Choose passive crossover frequencies for the subwoofer and high pass speakers that do not overlap J i ili a d s analog and digital syst System 6 Two PQ40s both set up as shown in system 3 One amp drives bi amped midranges and tweeters with the second driving rear fill soeakers and subwoofers Deihi 12x Tumo an ed TPS Gace Lr are e oP of vali a Pieter Oferta ip dii 73 oe H 1 speaker connections for stereo configurations Minimum recommended impedance is 2 Ohm stereo Speaker terminals accept up to AWG 12 speaker wire ie 60 2 ee speaker connections for bridged configurations Minimum recommended impedance is 4 Ohm when bridged Speaker terminals accept up to 12 gauge speaker wire 9 14 a d s a d s analog and digital systems analog and digit
25. ss crossover for the constant bass circuit Push the select switch to scroll through the different sections and a blue led will indicate which crossover is currently displayed level controls 1 2 3 4 Level controls Independent level controls for channels 1 2 3 4 adjust the input Y Y sensitivity from 100 mV to 8 VRMS e zd Note When crossover 3 4 output is selected for channels 1 2 the 3 4 level control adjusts the output level for channels 1 2 and 3 4 simultaneously Output Three position switches determine the output configuration Each stereo pair of channels can be configured in either stereo summed bridged and bridged mono When the switch is in the left position the output channels are configured for stereo operation bim bin mambo OL When the switch is in the center position the output channels are configured for summed mono bridged operation by mixing the left and right input TA Baie signals together When the switch is in the right position the output channels are configured LT for a bridged mono output using a single RCA input Ch 1 input is used for channels 1 amp 2 and ch 4 input is used for channels 3 amp 4 big TA 16 a d s analog and digital systems Internal signal routing 2 channel 4 channel input switch routes RCA input from channels 1 2 to channels 3 4 When the switch is engaged ee 4 channel 1 input is routed to both amplifier joe channels 1 and
26. the maximum system out put occurs at the same point as the maximum output from the source This will give you minimum system noise yet the system will reach its maximum output capability 8 Reduce the source unit volume to a comfortable listening level With the balance and fader controls still centered adjust the remaining level controls for the proper system balance If you are adjusting a system with multiple amplifiers it is easiest to adjust the controls in the following order 1 Front speakers 2 Rear speakers 3 Subwoofers 9 If using an AC502 remote level control adjust the subwoofer level with the AC502 in the mid position This will give you the ability to boost the subwoofer level approximately 6dB when the AC502 is turned fully clockwise 10 Double check your system levels by increasing the source unit volume control to the previously determined maximum position If you hear distortion from any of the channels reduce the PowerPlatew input level for those channels until the distortion goes away Adjusting the input levels in this way will get maximum undistorted output from your system and will make it unlikely that you will cause damage to any of the components of your system by overpowering them 18 a d s analog and digital systems Constant bass circuit To mix sub bass information into channels 1 2 and 3 4 select a low pass crossover point and use the level controls to set the level of sub bass signal sent to chann
27. you know the code before disconnecting the battery Your a d s PowerPlatem should be installed in 12V negative ground vehicles only Connection to other types of electrical systems may cause damage to the vehicle or the amplifier Wear Eye and Ear protection when using power tools Do not bypass or modify the fuses or replace with one of a higher rating The fuse should not fail under normal operation Repeated blowing indicates a problem with the amplifier or improper installation An additional power supply line fuse not supplied must be installed on the 12V supply line and located as close as possible to the battery in order to protect the wire in the event of a short circuit Make sure the system is turned off when making or breaking any connections Do not use your PowerPlatem with speakers which have either terminal connected to the speaker frame or to the vehicle chassis Never operate the vehicle without the PowerPlate firmly mounted An unmounted amplifier can be a dangerous missile in an accident or abrupt stop poor bass response battery fuse blowing mounting locations Due to its low profile there are many possible choices of mounting locations Always mount the PowerPlate in a place that protects it from the elements In addition mount the PowerPlate on a stable flat mounting surface Whenever possible pre drill the mounting holes Remember to check behind the panel for hidden dangers in the form of hoses fuel o
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