Manual JL Audio HD900/5

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  • JL Audio HD900/5 - page 1

    OWNER’ S MANU AL 5- Channel Class- D S ystem Ampli fier Th ank y ou for purcha sing a J L Audio amplif ier for your automot ive soun d sys tem . Y our amplif ier ha s bee n d esig ned and m anufac tured to ex ac ting stan dard s in order to en sure years of mu sic al e njoyme nt in your vehicle . For m ax imum pe r form ance , we h ighly re comme ...

  • JL Audio HD900/5 - page 2

    2 | JL Audio - HD900/5 Owner ’ s Manual PROTE CT YOUR HEA RING ! W e value yo u as a lo ng- term cu st omer . Fo r t hat re ason, we u rge you to pr act ice rest ra int i n t he ope ration of t hi s produc t s o as not to da mage your hearing and that of o thers in your ve hicle. St udie s have shown th at cont inuous ex posu re to high sound pr ...

  • JL Audio HD900/5 - page 3

    3 Cooling Ef ficienc y Considerations: Y our JL Audio amplifier emp loys an adv anc ed t y pe of heat man agement , ca l led RealSin k ™ . Th is feature takes advantage of conv ec tion and radiation effects to rem ove heat from t he a mpli fie r ci rcu itr y . For opt imu m cooling performance, the vertica l heat sinks located at the sides o f th ...

  • JL Audio HD900/5 - page 4

    4 | JL Audio - HD900/5 Owner ’ s Manual PRODUCT DE SCRIPTION The JL Au dio HD90 0/ 5 is a very pow er ful and com pact f iv e-cha nnel amplif ier util izing patent ed Si ngle Cycle Cont rol ™ C las s D technolo g y for a ll channels. This g r oundbr e aki ng technolog y delivers referen ce-gr ade, fu ll- range sonic performance while requiri ng ...

  • JL Audio HD900/5 - page 5

    5 TYPICAL INST ALLA TION SEQUENCE The follo w ing rep resen ts the sequen ce for a ty pi ca l amplif ier insta llation, using an a fte rma rket sou rce u nit or OEM Inter fac e processor (like the CleanSweep ® CL 441 dsp ). Additio nal steps and dif fe ren t pr ocedures ma y be required in some ap plications. If you ha ve any questio ns, please co ...

  • JL Audio HD900/5 - page 6

    6 | JL Audio - HD900/5 Owner ’ s Manual POWER AND TURN ON CONNECTIONS Befor e i nstall ing the amplif i er , disconnect t he nega tive (ground ) wire from the vehicl e’ s battery . This wi ll pr even t acci dental damage to t he system, t he veh icle a nd y our b ody duri ng i nst a llat ion. + 1 2V Batter y Connection Y ou w i ll need to co ...

  • JL Audio HD900/5 - page 7

    7 For opti ma l grou nding , we recom mend t he use of a JL Au dio ECS m aster g round lug (XB-MG LU) . Alter natively, a sheet met al scr ew o r bol t can be used with a star wash er . Many vehi cles em plo y sm all ( 10 A W G - 6 A W G) wire t o gro u n d the battery t o the v ehicl e chassis and t o conne ct the altern at or’ s posi tive conn ...

  • JL Audio HD900/5 - page 8

    8 | JL Audio - HD900/5 Owner ’ s Manual AMPLIFIER MOUNTING OPTIONS The HD90 0/ 5 has two moun ti ng o ptions to ease in inst allation. Standard Mounting Th e st and ard met hod of mount ing requ ires remo va l of the fo u r corner caps wit h t h e 4 mm hex wre nch i ncluded wit h your a mpl if ier. Usin g appropr iate mount ing screw s (not i ncl ...

  • JL Audio HD900/5 - page 9

    9 AMPLIF IER INPUTS The HD900/ 5 has three se parate in put se ctions, one for th e “Front” lef t a nd r ight cha nnel s, another for the “R ear” l eft and righ t ch annels and o ne fo r the Su bw oof er Channel. Ea ch sectio n cons ists of a pair o f R CA- t ype inp ut jacks o n the Conn ec ti on Panel o f the amp lif ie r and in put con t ...

  • JL Audio HD900/5 - page 10

    10 | JL Audio - HD900/5 Owner ’ s Manual The output of the a m plif ier decreases for a given input vo ltage when the “Input Ra nge” sw itch i s pla ced in t he “Hig h” position. The outpu t increas es with t he sw it ch in t he “Low” pos ition. Wh ile thi s may sound counte r- int uiti ve, it is cor rec t as des crib ed. CHANNEL CONT ...

  • JL Audio HD900/5 - page 11

    11 wh ile the “Su b” ch a nn el fi l ter is a lo w- pass fi l ter ( attenuates high f req uencies ). F or each f ilter , the user can select from a shallow ( 12dB/ oc tav e ) f ilter slop e or a more a gg ressi ve (24d B/ o ct ave ) slope. 1) “ Hig h-Pa ss Fi lter ” Cont rols (Front a nd Re ar cha nne ls ) or “ Low-P ass Filte r ” Contr ...

  • JL Audio HD900/5 - page 12

    12 | JL Audio - HD900/5 Owner ’ s Manual BI AMPLIF IED SYSTE MS Bi-a mpli fi ed s yste ms a re de fi ned as s yste ms in wh ich se par ate a mpl if ier c han nels dr ive low- frequen cy (LF) and high-freque ncy (HF) spea kers and are separately filtered to sen d app ropriate f requenc y r ange s to each spea ker sy stem. Th e most com mon appl ...

  • JL Audio HD900/5 - page 13

    13 REMOTE LEVE L CONTROL OPTIONAL Wit h t he ad dit ion of the option al Remote Leve l Cont rol (H D-R LC), you ca n c ontrol the level of the Subw oofer Channel of the HD900/5 from the front of the vehi cle. The HD-RLC connects to t he jack label ed “Remot e Le vel C ontrol ” on t he C onnec tion Pane l of t he ampl if ier usi ng a stand ...

  • JL Audio HD900/5 - page 14

    14 | JL Audio - HD900/5 Owner ’ s Manual BRIDGING CONS IDERA TIONS Bridging is the practice of co mbining the outpu t of two amplif ier channels to drive a single load. When b ridged, each channel pr oduces signals of equal magn i tude, but o pposi te polarity . The comb i ned o utput o f the two channels pro v ides t wice the ou t pu t voltage a ...

  • JL Audio HD900/5 - page 15

    15 “ST A TUS” LED / PROTECTION CIRCUITRY There is a single multi-col or LED on the cont rol pa nel of t he a mpli fie r to ind icate the a mpli fier ’ s o perat ing st atus . T his LE D’ s b ehav ior is as fo llows: 1) Flashi ng Green : a mpli f ier i s power ing up, aud io out put is muted. 2) C onsta nt Gre en : ampl if ier i s on and f u ...

  • JL Audio HD900/5 - page 16

    16 | JL Audio - HD900/5 Owner ’ s Manual SERVICING Y OUR JL A UDIO AMPLIFIER If your amplifier fai ls or malf unctions, please return it to yo u r authorized JL Audio dea l er so that it ma y be sent in to JL Audio for ser vice. There are no user serv i ceable par ts or fu ses inside the am plif i er . The unique nature of the circuitry in the JL ...

  • JL Audio HD900/5 - page 17

    17 APPEN DIX A: HD900/ 5 Specifications Amplifier T op ology: Clas s D , switch ing type with paten ted Sing le- C ycle Con trol™ t echnology. Pow er Supply: Pu lse widt h modulat ion-regula ted switching p ower supply Recommended F use Va lue / T ype: 60A (A FS, AG U or Ma xi Fus e™) Rated Power (Main Channel s / Ste reo ): 1 00 W RMS x 4 @ 4? ...

  • JL Audio HD900/5 - page 18

    18 | JL Audio - HD900/5 Owner ’ s Manual APP ENDIX B: Precise F requency Sele ction Chart “FIL TER FREQ” Detent Panel Actual Number Marking Freq . (H z) Full counter-clockwise: 53 01 ........... “50” ............ 53 02 ............................ 53 03 ............................ 53 04 ............................ 53 05 ................ ...

  • JL Audio HD900/5 - page 19

    19 The Nine-Step Proc edure (follow t h is pro cedu re for e ach pai r of cha nnel s ) 1) Di scon nec t t he Spe ak er C onnec tor Plu gs. 2) T u rn off al l processing on the so urce unit (bass/ trebl e, lo udness, EQ, etc. ). Set fade r con trol to center pos ition and subw oofe r leve l cont rol to 3/ 4 of ma x imu m ( i f us ed to dr ive t he H ...

  • JL Audio HD900/5 - page 20

    20 | JL Audio - HD900/5 Owner ’ s Manual “How do I pro perly set the in put s ensitiv ity on my amplifier” Plea se r efer t o Appen d ix C (p ages 1 8, 19 ) to set the inpu t sensitivit y for m ax imu m, l ow -d istor t ion out put. “My ampl ifi er do esn’t tur n on” Che ck the fuse( s) , not j ust visua lly , but with a con t inuity me ...

  • JL Audio HD900/5 - page 21

    21 “My amplifier sh uts off once in a wh ile, usuall y at higher v olumes” Che ck y our vo ltage sour ce and grounding point. The po wer supp ly of the HD900/5 w ill operate wit h charg ing system vol tages down to 9 V . Shutd own pr oble ms at hig h er vo lume lev els can occu r whe n the chargi ng system vol tage drops bel ow 9V . These dips ...

  • JL Audio HD900/5 - page 22

    22 | JL Audio - HD900/5 Owner ’ s Manual INSTALLA TI ON NOTES: Use this diagram to document your amplifier ’ s switch and control positions. ...

  • JL Audio HD900/5 - page 23

    23 ...

  • JL Audio HD900/5 - page 24

    LIMIT ED WA RR A NTY  A MPL IFIERS US A JL A UDI O warran ts this pr oduct to be free of de fe cts in mat erials and wo rk m anship for a peri od of t wo (2 ) yea rs f rom t he or ig ina l d ate of purc hase . This wa rranty is not tr ansfe rable a n d app l ies only to the original purchaser from an au thoriz ed JL A UDIO dealer . Should ...

Manufacturer JL Audio Category Car Amplifier

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All of them are important, but the most important information from the point of view of use of the device are in the user manual JL Audio HD900/5.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals JL Audio HD900/5, service manual, brief instructions and user manuals JL Audio HD900/5. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product JL Audio HD900/5.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use JL Audio HD900/5 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of JL Audio HD900/5.

A complete JL Audio manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual JL Audio HD900/5 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the JL Audio HD900/5, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the JL Audio HD900/5, that we can find in the current document
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4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with JL Audio HD900/5
5. FAQ - Frequently Asked Questions
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