JL Audio A4300 manuale d’uso

Th ank you for p urcha sing a J L Audio amplif ie r for your automotive sound system . Y our amplif ie r ha s bee n de sig ned and m anufac tured to e xa cting stan dard s in order to e ns ure years of mu sic al enjo yme nt in your vehicl e. For ma xi mum per fo rm ance a nd ex te nde d war ranty cove rage, we hig hly reco mmend th at you have your[...]

PLANNING Y OUR INST ALLA TION I t is im po rtan t that yo u t ake the time to rea d t hi s ma nua l and t h at you pla n out your in st al l ation c a ref ul ly. The fol low ing a re some con si de rati on s tha t yo u mus t take int o acco unt whe n p lanni ng your installatio n. Coo ling E f fi cie nc y Cons ide rat ion s: Th e outer she ll of yo[...]

Th e A430 0’ s “ +1 2 V D C ” a nd “ Ground ” con nec t ions a re des ig ned to ac ce pt 8 A W G - 4 A W G power w i re. 8 A WG is a mi ni mu m power wire size fo r this amp lifier . If you a re i nst a ll i ng t he A430 0 w it h othe r a mpli f ier s and w i sh to us e a si ngle m ai n powe r w ire , us e 4 A W G or l ar ger ma i n power[...]

Do n ot increase a ny “In pu t Sens. ” set ting f or any chann el( s ) o f an y am plifi er in th e sys tem be yond the m ax i mum le vel es tabl ishe d dur in g t he proc edur e outl ine d in App endi x A (pa ge 1 4). Doing s o wi l l resu lt i n audible d istor t ion and pos si ble speak er damag e. FIL TE R CONTROLS Most s pea ke rs a re not[...]

SPEAKER OUTPUTS Th e A430 0’ s spe a ker out puts a re de sig ned to acc ept 16 A WG - 8 A W G w i re. Ea ch pa ir of t he A43 0 0’ s c ha nnel s a re des ig ned to de li ver power i nto sp ea ke r load s equ a l to or g reate r th an 2 oh ms p er cha n nel whe n usi ng a “stere o” con f ig ur at ion and s pea ke r load s equ al to or g rea[...]

SYSTEM C ONFIGU RA TI ONS Th e A430 0 is a f le xi ble ampl i f ier, well-s uit ed for a mult it ude of sy ste m conf i gu rat ions . In this sectio n, the mos t likel y configuratio ns are explained in detai l. On ce y o u h av e s el ected your des ir ed con f ig ur ation , you ca n us e t he ampl if ie r pa nel dr aw ing on p ages 18 & 19 to[...]

D) Fr ont to Rea r HF Fad ing a nd Subwo ofer Lev el Co nt ro l: Req ui red: a s ourc e un it or proc es sor w it h f ront and re a r pa ir s of stere o output s plus a ded ic ated s ubwoofer out put . Inp ut Conn ectio ns: one ster eo pair o f so u rce un it out puts i s con nec ted to t he “ CH 1 (L eft ) ” an d “ CH 2 ( Rig ht ) ” inp ut[...]

JL AUDIO A4300 15 APPEN DIX B: Pre cis e Freq uen cy S el ec tio n Char t “FIL TER FREQ” AMP FIL TER Detent Panel Actual Number Marking Fr eq. Full c ounter-clockwise: 53 01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 02 . . . . . . . . . . . “5 0 ” . . . . . . . . . . . .53 03 . . . . . . . . . . . . . . . . . . . . . . . . [...]

JL AUDIO A4300 17 “My a mpl if ier s hut s of f on ce in a w hile , usu all y at hi ghe r volu mes ” Che ck your volt age s ourc e a nd grou nd in g poi nt. T he power suppl y of t he A430 0 w il l op erate w it h ch ar gi ng sy ste m volta ges do w n t o 1 0V . S h ut do wn pr ob le ms at higher v olume leve ls ca n oc cu r when t he c ha rg i[...]

JL AUDIO A4300 19 18 JL AUDIO A4300 INST ALLA TION NOTES: Use t hi s di ag ra m to do cu ment you r a mpli f ier ’ s sw it ch a nd cont rol po siti ons.[...]

LIMITE D W ARR ANTY  AMPLI FIE RS USA JL AUDIO wa rr a nts t hi s produc t to be f ree of d efec ts i n mat eri a ls a nd work ma nsh ip for a pe rio d of ninety ( 90 ) days f ro m the o rigi nal da te of purch ase. The warranty t erm is e xten ded to two (2 ) y ears if installatio n is perform ed or app ro ved b y an au t ho r ized JL A U[...]