JL Audio A6450 manual

Th ank you for p urcha sing a J L Audio amp lifi er for your automotive sound system . Y our ampl ifi er ha s be en de sig ned an d manufac ture d to ex act ing stan dard s in orde r to en sure year s of mus ical e njoy ment in you r vehicl e. For ma xi mum per fo rm ance an d ex ten ded wa rrant y cove rage, we h ighly re commen d that you h ave y[...]

PLANNING Y OUR INST ALLA TION I t is im p o rtan t th at yo u tak e th e tim e t o r ead t hi s manu a l and t hat you pl an out you r in st al l ation c a ref ul ly. The fol low ing a re s ome con si deratio ns that you m ust take in to acc oun t whe n planning your installatio n. Coo ling E f fi cie nc y Cons ide rat ion s: Th e outer she ll of y[...]

Th e A64 50’s “ +1 2 V D C ” a nd “ Ground ” co nnecti on s are des igne d to acc ep t 4 A W G power w i re. 4 A WG is a m in imu m power w i re si ze for th is a mpli f ier. If you a re i nst a l li ng t he A6 450 w it h ot her a mpli f iers a nd w is h to us e a sin gle m ai n power w ire , us e 2 A W G or 1/0 A WG ma in p ower wi re ( [...]

INPUT SENSITIVIT Y CONTROLS Once t he ap propri ate “ Inpu t V olt age ” range ha s bee n selec te d, t he c ontrol s lab eled “ Inp ut Sens. ” loc ated i n eac h “ Channel Con trols ” se ct ion ca n b e use d to matc h th e sou rce u nit ’ s output volt age t o the i nput st age of e ach p ai r of a mpli f ier ch an nel s for ma x im[...]

SPEAKER OUTPUTS Th e A64 50’s spea ke r output s a re des ign ed to acc ept 16 A WG - 8 A W G w i re. Ea ch pa ir of t he A6 4 50’s chan nel s ar e desi gne d to del iver p ower i nto spe a ker loa ds eq ua l to or g reat er t ha n 2 ohm s when u sin g a “stere o” conf i g ur ation a nd spe ak er load s equ a l to or g reate r th an 4 oh ms[...]

SYSTEM C ONFIGU RA TI ONS Th e A64 50 is a f lex ible a mpli f ie r , we ll- su ited for a mult it ude of sy stem c onf ig u rat ions . In thi s se ctio n, the mo st lik e ly co nfigur ati on s are explained in detai l. Once you h ave selec ted you r de sired con f ig ur ation , you ca n us e th e ampl if i er pa nel dr aw ing on p ages 18 & 19[...]

JL AUDIO A6450 13 D) Subwoo fer L evel C ontr ol On ly : Req ui red: a sou rce u nit or pro ce ssor w it h one pa ir of s tere o output s an d ded icat ed subwoof er outputs. Inp ut Connecti ons : the st er eo p air o f so u rce u nit out put s eac h spl it wit h a “ Y -Adapt or” a llow ing t he left sig na l to be sent to the “ CH 1 (L ef t)[...]

JL AUDIO A6450 15 APPEN DIX C: A6450 Specifications General Speci fications: Recommended Fuse Value: 60A Recommended F use T ype: AF S, A GU or MaxiF use ™ Input Sections: No. of Inputs: Th ree S te reo Pairs Input T ype: Dif ferential-balanced with RCA jack inputs Input Range: Switcha ble f rom 20 0mV - 2V RMS to 80 0mV - 8V RM S Amplifier Secti[...]

JL AUDIO A6450 17 16 JL AUDIO A6450 “My a mpl if ier s hut s of f onc e in a wh ile , usu all y at hig he r volu mes ” Che ck your volt age s ourc e and g rou nd ing p oint . The p ower supply of t he A64 50 w i l l oper ate w ith c ha rg ing s ys tem volt ages do w n t o 1 0 V . Sh utdo w n p rob lem s a t highe r v olume leve ls ca n oc cu r [...]

JL AUDIO A6450 19 18 JL AUDIO A6450 INSTALLA TIO N NOTES: Use t hi s di ag ra m to do cu ment you r a mpli f ier’s swit ch a nd cont rol po sit ions.[...]

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 ns hip for a pe rio d of ninety ( 90 ) days f ro m the o riginal da te of purch ase. The warranty t erm is e xten ded to two (2 ) y ea rs if installatio n is perform ed or appr oved by an au t ho r ized JL A U D[...]