JL Audio 12IB4 manual

1
2
3
4

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of JL Audio 12IB4, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of JL Audio 12IB4 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of JL Audio 12IB4. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of JL Audio 12IB4 should contain:
- informations concerning technical data of JL Audio 12IB4
- name of the manufacturer and a year of construction of the JL Audio 12IB4 item
- rules of operation, control and maintenance of the JL Audio 12IB4 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of JL Audio 12IB4 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 12IB4, 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 12IB4.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the JL Audio 12IB4 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    Congratulations on your purchase of a JL Audio subwoofer component. Your JL Audio subwoofer is a precision loudspeaker which has been engineered to produce the highest quality sub-bass performance in your vehicle. Authorized JL Audio dealers have extensive technical information about your new speaker . 8IB4 10IB4 12IB4 Subwoofers owner’ s manual[...]

  • Page 2

    CAUTION !! CAUTION !! CAUTION SUBW OOFER: 8IB4 10IB4 12IB4 Free Air Resonance (Fs): 37.5 Hz 37.5 Hz 40.5 Hz Electrical “Q” (Qes): 0.744 0.837 0.673 Mechanical “Q” (Qms): 8.484 9.400 10.967 T otal Speaker “Q” (Qts): 0.684 0.769 0.634 Equiv . Compliance (V as): 1.80 ft³ 2.93 ft³ 3.97 ft³ 51.0 litres 83.0 litres 112.4 litres One-wa y , [...]

  • Page 3

    JL AUDIO IB4 3 MEDIUM GRA Y (MINIMUM): Fr om a re liabil ity stan dpoint , this zon e represents a very comfortable operating pow er rang e for each driv er . This lev el o f power will not stress the woofer but will not extract all of its performance potential, either . Use of less than the minimum power level will not damage the woof er , but ma [...]

  • Page 4

    Printed in USA JLIB4-11-2003 For Service Information in the U.S.A. please call: JL Audio customer ser vice: (954) 443-1100 during normal business hours (Eastern Time) JL Audio, Inc 10369 Nor th Commerce Parkway , Miramar , FL 33025 International War ranties: Products purchased outside the United States of America are covered only by that countr y?[...]