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JL Audio HD600/4 manual

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Table of contents for the manual

  • Page 1

    OWNER’ S MANU AL 4 - Channel Class- D Full-R ange Ampli fie r Th ank you for purch a sing a JL Audio ampl if ier for your auto motive soun d s yste m . Y our amplif i er ha s bee n de sig ned an d m anufa ctu red to e x ac ting stan da rds in orde r to en s ure ye ars of mu sic al enjo yme nt in y our vehic le . For m a ximu m pe r for m ance , w[...]

  • Page 2

    2 | JL Audio - HD600/4 Owner ’ s Manual 3 Cooling Ef ficie ncy Conside rations: Y our JL A udio amplifier emp loys an adv a nced t y p e of he at m an agem ent, ca l le d RealSin k ™. This feature ta kes advantage of conv ec tion and radiation effects to rem ove heat f rom t he a mpl i f ier ci rcu it r y. For opt i mu m cooling performance, th[...]

  • Page 3

    4 | JL Audio - HD600/4 Owner ’ s Manual 5 TYPICAL INST ALLA TION SEQUENCE The follo w ing repr esents the seque nce f or a ty pical a mp lif ier insta llation, using an a f ter ma rke t s ou rce un it or OE M I nter fa ce processor (li ke the CleanSw eep® CL4 41 d sp ). Additio nal steps and dif fere nt procedures may be required in some ap plic[...]

  • Page 4

    6 | JL Audio - HD600/4 Owner ’ s Manual 7 Ground Connection The chassis ground co nnection must be made using 4 A WG or 8 A W G pure coppe r wi re and should be kept as sho rt as possible, while accessing a solid p iece of sheet metal in t he veh icle . T he su rf ace of t he s hee t me ta l sho uld be sanded at the con tac t poin t to crea te a [...]

  • Page 5

    8 | JL Audio - HD600/4 Owner ’ s Manual 9 AMPLIF IER INPUTS The HD60 0/ 4 has two separate inpu t sections, one fo r the “F ron t” left and r ight chan ne ls and another for the “R ear” l eft and righ t ch annels. Each section cons ists of a pai r o f R CA- t y pe in pu t jacks on the Conn ection Panel of the am plifier and a pair o f inp[...]

  • Page 6

    10 | JL Audio - HD600/4 Owner ’ s Manual 11 CROSSOVER CONTRO LS Crossov ers are groups of electronic fi lters designed to con trol the frequen c y ranges that each speaker in a system wil l be tasked w it h re produc in g. P rop er c ros sover se tup i s cr it ica l to sou nd qua l it y a nd re li abi li t y . The HD60 0/ 4 has two indiv id ua l [...]

  • Page 7

    12 | JL Audio - HD600/4 Owner ’ s Manual 13 PREAMP OUTPUTS The HD60 0/ 4 incorporates a pass-through preamp outpu t section, so that additio na l a mpli f ier s c a n ea si ly be con nec ted to t he sa me sig na l(s ) feed i ng t he H D 60 0/4. T he se prea mp outpu t signa ls are accessible via a stereo pai r of RCA-t y p e ja ck s , l abe led ?[...]

  • Page 8

    14 | JL Audio - HD600/4 Owner ’ s Manual 15 If you connect a load h igher th an 4 Ω nomina l per chan nel in stereo mode ( or 8Ω in bridged mode ), power wil l drop by ha lf w ith ever y doubling of impeda nce above 4Ω stereo / 8Ω mono. I f you con nec t a lo ad l ower t ha n 1. 5Ω nomina l per cha nnel in stereo mode ( or 3Ω in brid ged mo[...]

  • Page 9

    16 | JL Audio - HD600/4 Owner ’ s Manual 17 “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 f ie r to i nd icat e t he a mpli f ier ’ s ope rat i ng st atu s. T hi s L E D’ s be hav ior is as fol lows: 1) Fla shing Green : a mpl if ier is power i ng up, aud io out put is muted[...]

  • Page 10

    18 | JL Audio - HD600/4 Owner ’ s Manual 19 The Nine-Step Proc edure (follow t h i s pro cedu re for e ach pa i r of ch a nne ls) 1) D isc onne c t t he Spe a ker C onne c tor Plu gs. 2) T ur n off al l processing on the source un it (bass/ trebl e, lo udness, EQ, etc. ). Set fade r con trol to center positio n and sub woof er leve l c ontrol to [...]

  • Page 11

    20 | JL Audio - HD600/4 Owner ’ s Manual 21 “My amplifier sh uts off once in a wh ile, usuall y at higher v olumes” Che ck your vol t age sour ce and grounding point. The po wer supp ly of the HD600/ 4 wi ll operate w ith chargi ng system voltages down to 1 0V . Sh utdo w n pro blems at hig her vol ume levels can occu r when t he charging sys[...]

  • Page 12

    22 | JL Audio - HD600/4 Owner ’ s Manual 23 INSTALLA TI ON NOT ES: Use this diagram to document your amplifier ’ s switch and control positions.[...]

  • Page 13

    LIMIT ED WA RR ANTY  AMPLIF IERS  USA  JL A UDI O warran ts this pr oduct to be free of de fe cts in mat erials and wo rk manshi p fo r a pe r io d o f t wo (2 ) ye a rs f rom t he or ig i na l d ate of purc ha se. This wa rra nty is no t tra nsfe rable a nd applies only to the origina l purch aser from an autho riz ed JL A UDIO dealer . S[...]