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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Polk Audio DB804, 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 Polk Audio DB804 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 Polk Audio DB804. 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 Polk Audio DB804 should contain:
- informations concerning technical data of Polk Audio DB804
- name of the manufacturer and a year of construction of the Polk Audio DB804 item
- rules of operation, control and maintenance of the Polk Audio DB804 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 Polk Audio DB804 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 Polk Audio DB804, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Polk 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 Polk Audio DB804.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Polk Audio DB804 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
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Page 1
More Info @ www.polkaudio.com/car[...]
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Page 2
2 ATTACH YOUR RECEIPT HERE AND FILE FOR FUTURE REFERENCE X ATTACHEZ VOTRE FACTURE ICI ET CONSERVEZ-LA POUR RÉFÉRENCE FUTURE. db: Incredible Sound, Affordable Price[...]
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Page 3
3 BRING ON THE NOIZE! Please inspect each loudspeaker carefully. Notify your Polk Audio dealer if you notice any damage or missing items. Keep the carton and packing material. They will do the best job of protecting your speakers if they need to be transported. BUILDING A HOME FOR YOUR SUBWOOFER— DB SUB ENCLOSURE 101 To get the best performance f[...]
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Page 4
4 WIRING DIAGRAMS FOR DB804, DB104, DB124 (Single Voice Coil Hookup) Please make certain that your amplifier is rated to carry the specified load. SCHÉMA DE CÂBLAGE— (Bobine Acoustique unique) : DB804, DB104, DB124 Assurez-vous que votre amplificateur peut soutenir les charges spécifiées. DUAL VOICE COIL WIRING DIAGRAMS FOR DB804DVC, DB104DVC[...]
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Page 5
DUAL VOICE COIL WIRING DIAGRAMS FOR DB804DVC, DB104DVC, & DB124DVC SCHÉMA DE CÂBLAGE—BOBINES ACOUSTIQUES JUMELÉES: DB804DVC, DB104DVC, & DB124DVC 5 More Info @ www.polkaudio.com/car With the coils wired in series and the speakers wired in parallel, 2 dual 4 Ohm speakers will present a 4 Ohm load. Deux haut-parleurs, à bobines 4 Ohm ju[...]
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Page 6
BREAK IT IN. db Subwoofers will achieve even greater performance once they are thoroughly broken-in. To break in your new db Subs, play 20 to 30 hours of music at moderate levels. GET MORE INFORMATION ONLINE AT POLK UNIVERSITY: http://www.polkaudio.com/car/faqad/index.php AMPLIFIER POWER REQUIREMENTS FOR DB SUBWOOFERS Your Subwoofers will work well[...]
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Page 7
LOW FREQUENCY CUT-OFF FOR MID-RANGE SPEAKERS IN SYSTEMS WITH SUBWOOFERS Now that you have a subwoofer in your system, you may want to decrease the amount of bass going to your mid- range speakers. This will get you better mid-range sound and increase the power handling. There are two ways to roll off the bass before it gets to your mid-range speake[...]
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Page 8
SUBWOOFER SPECIFICATIONS SUBWOOFER—FICHE TECHNIQUE db804 db104 db124 Thiele/Small Parameters Paramètres Thiele/Small Type subwoofer subwoofer subwoofer Driver Complement/Transducteur 8" 10" 12" Nominal Impedance/Impédance nominale 4 Ohm 4 Ohm 4 Ohm Frequency Response/ 30-200Hz 28-200Hz 27-200Hz Réponse en fréquences Fs (Hz) 47H[...]
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Page 9
SUBWOOFER SPECIFICATIONS SUBWOOFER —FICHE TECHNIQUE db804DVC db104DVC db124DVC Thiele/Small Parameters Paramètres Thiele/Small Type subwoofer subwoofer subwoofer Driver Complement/Transducteur 8" 10" 12" Nominal Impedance/Impédance nominale dual 4 Ohm dual 4 Ohm dual 4 Ohm Frequency Response/ Réponse en fréquences 30-200Hz 28-2[...]
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Page 10
1 YEAR WARRANTY Polk Audio, Inc. warrants the original purchaser only that this Polk Audio db Subwoofers Product (the Product) will be free from defects in materials and workmanship for a period of (1) one year from the date of original retail purchase from a Polk Audio Authorized Dealer. However, this warranty will automatically terminate prior to[...]
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Page 11
11 More Info @ www.polkaudio.com/car GARANTIE LIMITÉE DE 1 AN Polk Audio Inc. garantit - à l’acheteur au détail original seulement—que ce produit Polk Audio Subwoofer db (le produit) sera exempt de défectuosités imputables aux pièces d’origine et à la main d'oeuvre pour une période de un (1) an à partir de la date de l'acha[...]
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Page 12
db: Incredible Sound, Affordable Price[...]