JL Audio G4500 manual

Th ank you for p urcha sing a J L Au dio a mplif ier for your autom otive s ound syst em . Y our amplif ie r h as be en d es igne d an d m anufac ture d to ex ac ting stan dard s i n orde r t o en su re yea rs o f mu sic al e njoy ment in your vehicl e. For m ax imum per fo rm ance , we hig hly rec omme nd th at you h ave your ne w amp lif ier ins [...]

PLANNING Y OUR INST AL L A TION I t is importan t tha t y ou take the tim e t o r ead t hi s ma nua l an d t hat you pl an out you r in st al l ation ca ref u l ly . T he fol low in g a re s ome cons idera tion s t hat you mu st t a ke into acc ount when pla n ni ng you r ins ta l lat ion. Cooling Ef ficienc y Considerati ons: The ou ter she ll of [...]

Th e G4 50 0’s “ +1 2 V D C ” and “ Grou nd ” con nec tion s a re d esig ne d to acc ept 4 A WG power w ire . 4 A W G is a minim um pow er wire size f or thi s amplif ier . If you are insta lli ng t he G4500 w ith other a mpli f iers a nd w ish to use a s ing le ma in power wi re, use 4 A W G or larger main powe r wire ( depending on the [...]

Do no t i ncr ease any “In pu t Sens. ” sett ing fo r any channel( s ) of any amplifier in the syste m be yond t he m ax i mum l evel est abli shed dur in g the proced ure ou t lined in Appe ndix A (pag e 1 4). Doing so wil l result in au dible distortion an d po ssible spe ak er d am age. FIL TER C ONTROLS Most spe a kers a re not des igne d t[...]

SPEAKER OUTPUTS Th e G4 50 0’s spe a ker out put s a re d esig ned to acc ept 1 6 A WG - 8 A WG wi re. Each pair of the G4500’ s cha nnels are designed to delive r pow er into speaker loads equal to or greater than 2 ohms per channel when using a “ stereo ” conf igu ratio n and speaker loads equal to or greater than 4 ohms per bridged pair [...]

SY STEM CONF IGURA TIONS The G4 500 is a f lex ible a mplif ier , wel l-suited for a m ult itude of system con fig ur ations. In th is sec tion, the most l ikely con fig ur ations are explain ed in de tail. Onc e you have s elec ted you r de si red con f ig ur ati on, you ca n use t he a mpl if ie r pa nel drawi ng on pages 1 8 & 1 9 to mark th[...]

D) Front to Rear HF Fading and Subwoofer L evel Cont rol : R e q u i r e d : a source un it or processor wit h front and rear pairs of ster e o o utputs plus a ded ic ated subwoofe r out put. Inp ut Con nec tion s: one ste reo p ai r of sou rce un it out puts is c onne ct ed to t he “ CH 1 (L eft) ” and “ CH 2 (R ig ht) ” i n pu ts of t he [...]

APP ENDIX B: Precise F requency Selec tion Chart “FIL TER FREQ” AMP FIL TER Detent Panel Actual Number Marking Fr eq. F ull counter-clockwise: 53 01 ............................ 53 02 ........... “50” ............ 53 03 ............................ 53 04 ............................ 54 05 ............................ 54 06 .................[...]

“My amplifier sh uts off once in a wh ile, usual ly a t higher vo lumes” Che ck yo u r vo ltage so urce and grounding point. The powe r sup ply of t he G4500 wil l ope rat e with char ging sys tem vol tages down to 1 0V . Shut down pr oblems at higher vo lume l evels can occu r when the chargi ng system vol tage drops below 1 0V . T hese dips c[...]

INSTALLA TI ON NOTES: Use t h is di ag ra m t o doc u ment you r a mpl if i er’ s sw itc h a nd c ontrol po sition s. 1 8 J L A UD I O G4500 JL AUDIO G4500 1 9[...]

LIMIT ED WA RR ANTY  AMP LIFIERS U SA JL A UDIO warra n ts th is p rodu ct to be free o f def ects in material s and w orkmanship for a per iod of t wo ( 2 ) ye a rs. This wa rranty is not transferrable and ap plies o nly to the origina l p urchaser from an au thorized JL A UDIO dealer . Should ser vice be necessar y under th is warra nty [...]