Instruction/ maintenance manual of the product 450/4V2 JL Audio
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Th ank you for pu rcha sing a JL Audio ampl ifi er for your automotive sound system. Y our amplif ie r ha s bee n de sign ed and m anufac tured to e xa cti ng stan dard s in order to e ns ure years of mu si cal enjo yme nt in your vehic le .
2 | JL Audio - 450/4 v2 Owner ’ s Manual 3 Cooling Efficiency Considerations: Y ou r JL Aud io a mpli f ier employs a n adv anc ed t y pe of he at ma nage ment, c al le d Rea l Sin k ™. Thi s feat u re ta ke s adv ant age of convec t ion a nd rad iat ion ef fe ct s to remove heat f rom t he a mpli f ier c irc uit r y.
4 | JL Audio - 450/4 v2 Owner ’ s Manual 5 TYPIC AL INST ALLA TION SEQUENCE The fol low i ng repre sent s th e seque nce for a t y pica l a mpl if ie r in st al l ation , usi ng a n af terma rket source unit or OEM In terfac e proc ess or (l i ke t he C lea nSwee p® CL4 41dsp) .
6 | JL Audio - 450/4 v2 Owner ’ s Manual 7 TURN ON LEAD Th e 450/4v2 us es a c onvention al + 12V remote tu r n-on lea d, t y pic a l ly cont rol led by t he sou rce un it ’ s remot e tu r n-on out put.
8 | JL Audio - 450/4 v2 Owner ’ s Manual 9 2) i Fi lter Mod e/Slop e w $POU SPM5 I JT TX JUDI a l lows you to defe at t he CH 1 &2 f i lt er or sele ct f rom two f ilte r slope s.
10 | JL Audio - 450/4 v2 Owner ’ s Manual 11 1) i In fr as onic Fi lte r w 5IF JOGSBTP OJD G JMUF SJT B 24 d B/oct ave hig h-pa ss f i lt er , w ith a f ixe d DVU PGG GSFR VF.
12 | JL Audio - 450/4 v2 Owner ’ s Manual 13 ST A TUS INDICA TOR LIGHTS / PROTECTION CIRCUITRY Th ere ar e th ree s tat us i nd ica tor li ght s on t he top of t he a mpli f ier. The se a re as fol lows : 1) i Power w Green ): li ghts to in d ica te tha t th e a mpli f ier is t u rne d on and op erat i ng norm a ll y .
14 | JL Audio - 450/4 v2 Owner ’ s Manual 15 Cros sove r S etu p for Bi-Amp lif ie d Syste m with one 450/ 4v2: Once t he i nput se ct ion s have be en DP OGJHVSFEB QQ SPQ SJB UFM Z H PUP UIF i CH 1 &2 Fi lter Se ct ion w 4FM FDUi x1 w POU IF i Fre q.
16 | JL Audio - 450/4 v2 Owner ’ s Manual 17 Af ter proper a djust ment of t he 45 0/ 4v2’ s CH 1 &2 a nd CH 3&4 , a nd th e subwoofer a mpl i f ier’ s i Input R an ge w BOE i I nput Sen s.
18 | JL Audio - 450/4 v2 Owner ’ s Manual 19 Cros sove r se tup f or bi- amp lif ie d 3.1 syste m wit h one 4 50/ 4v2 an d a sep arate s ubw oofe r amp lif ie r: Onc e the i nput a nd prea mp out pu.
20 | JL Audio - 450/4 v2 Owner ’ s Manual 21 C) Subwo ofer L eve l Cont rol O nl y Req uired : a sou rce u nit or pro ce ssor w it h lef t, r ig ht a nd ded ica ted subwo ofer output s is re qui red .
22 | JL Audio - 450/4 v2 Owner ’ s Manual 23 3) 4XJUD IUIF i Input V olta ge w UP i Lo w wB OE UVSOUIF i Input S ens . wD POUSPM POC PUI TF UT PG cha n nels a l l t he way dow n. 4) Se t t he sou rce u nit volu me to 3/4 of fu l l vo l ume.
24 | JL Audio - 450/4 v2 Owner ’ s Manual 25 “My am pl if ier s hut s of f on ce in a while, usually at higher v olumes” Che ck your volt age s ourc e a nd grou nd in g poi nt. T he power suppl y of t he 450/4v2 w i l l oper ate w it h cha rg in g sys tem volt age s do w n t o 1 0 V .
26 | JL Audio - 450/4 v2 Owner ’ s Manual 27 APPEN DIX D: 450/4v2 Speci fi cat ions General Specifications: Recommended F use V alue: 60A Recommended F use T ype: AF S, A GU or MaxiFuse ™ Input Sections: No.
28 | JL Audio - 450/4 v2 Owner ’ s Manual 29 INST ALL A TION NOTES: Use this diagr am to document your amplifier ’ s switch and control positions. +12VDC Ground Remote CH 1 & 2 Filter Section .
30 | JL Audio - 450/4 v2 Owner ’ s Manual 31 NOTES NO TES.
LIMI TED WARR ANT Y AM PLIFIE RS USA +-" 6%* 0X BSSBOUT UIJTQ SPEV DUUP CF GSFF PGE FG FDUTJON BU FSJB MTB OE XPSL NB OTI JQ GPSB QFS JPE PG ninety ( 90 ) da ys fro m the original da te o f p urchase .
An important point after buying a device JL Audio 450/4V2 (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 450/4V2 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 450/4V2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, JL Audio 450/4V2 you will learn all the available features of the product, as well as information on its operation. The information that you get JL Audio 450/4V2 will certainly help you make a decision on the purchase.
If you already are a holder of JL Audio 450/4V2, 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 450/4V2.
However, one of the most important roles played by the user manual is to help in solving problems with JL Audio 450/4V2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device JL Audio 450/4V2 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
