Instruction/ maintenance manual of the product HD600/4 JL Audio
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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 .
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.
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 ).
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 .
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.
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 .
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.
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.
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.
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.
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 .
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..
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 .
An important point after buying a device JL Audio HD600/4 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought JL Audio HD600/4 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data JL Audio HD600/4 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, JL Audio HD600/4 you will learn all the available features of the product, as well as information on its operation. The information that you get JL Audio HD600/4 will certainly help you make a decision on the purchase.
If you already are a holder of JL Audio HD600/4, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime JL Audio HD600/4.
However, one of the most important roles played by the user manual is to help in solving problems with JL Audio HD600/4. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device JL Audio HD600/4 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
