JL Audio A2150 manual

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A good user manual

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First and foremost, an user manual of JL Audio A2150 should contain:
- informations concerning technical data of JL Audio A2150
- name of the manufacturer and a year of construction of the JL Audio A2150 item
- rules of operation, control and maintenance of the JL Audio A2150 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of JL Audio A2150 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of JL Audio A2150, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the JL Audio service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of JL Audio A2150.

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Table of contents for the manual

  • Page 1

    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[...]

  • Page 2

    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[...]

  • Page 3

    Th e A2150’s “ +1 2 V D C ” a nd “ Ground ” con nec t ions a re des ign ed to ac cep t 8 A W G - 4 A W G power w i re. 8 A WG is a mi ni mum p ower wire size fo r this amp lifier . If you a re i nst a ll i ng t he A2150 w it h othe r a mpli f iers a nd w is h to us e a sin gle m ai n power w ire , us e 4 A W G or l ar ger ma in p ower w i[...]

  • Page 4

    FIL TE R C ONTROLS Most s pea ke rs a re not desi gne d to repro duce th e full rang e o f fr eq u en ci es au dib le by the hum an e ar. For t hi s reas on, mos t spe ak er sy stem s ar e compr ise d of mult iple sp ea ker s, e ach ded ic ated to re produci ng a sp eci f ic f requenc y ra nge . Filte rs a re us ed to se lec t whic h fre quenc y ra[...]

  • Page 5

    When a p air o f ch annels a re bridg ed, th ey wi l l del iver 15 0W x 1 into a 4 ohm lo ad or 9 0W x 1 into an 8 oh m load . Op erat ing a pair o f bri dge d ch annels into a loa d l o we r t han 4 o hms i s not recom mende d. Be caus e a brid ged pa ir of c ha nnel s requ ire s that bo th channe ls r eceive inp ut, y ou need t o con nec t bot h [...]

  • Page 6

    SERVICING YOUR JL AUDIO AMPLIFIER If yo ur am p lifier fails o r malfuncti ons , p lease re turn it to yo ur a u tho rized JL A udio deale r s o that it may be sen t in to JL A udio for ser vice. Th ere ar e no use r ser v ice able pa r ts or f u ses i ns ide t he ampl i f ier. The u niqu e natu re of t he ci rcu it r y in the JL Au dio amp li fier[...]

  • Page 7

    JL AUDIO A2 1 50 13 APPEN DIX B: Pre cis e Freq uen cy S ele c 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 . . . . . . . . . . . “50” . . . . . . . . . . . .53 03 . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 8

    JL AUDIO A2 1 50 15 “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 A2150 w i ll op erate w it h ch ar gi ng sy ste m volta ges 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 when t he c ha rg[...]

  • Page 9

    JL AUDIO A2 1 50 17 16 JL AUDIO A2 1 50 INSTALLA TIO N NOTES: Use t hi s dia gr am to d ocu ment you r ampl if ier ’ s sw itc h and c ontro l posit ions .[...]

  • Page 10

    JL AUDIO A2 1 50 19 18 JL AUDIO A2 1 50 INSTALLA TIO N NOTES: INST ALLA TION NOTES:[...]

  • Page 11

    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[...]