Yamaha F28 manual

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A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Yamaha F28, 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.

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The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Yamaha F28 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 Yamaha F28. 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 Yamaha F28 should contain:
- informations concerning technical data of Yamaha F28
- name of the manufacturer and a year of construction of the Yamaha F28 item
- rules of operation, control and maintenance of the Yamaha F28 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 Yamaha F28 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 Yamaha F28, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Yamaha 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 Yamaha F28.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Yamaha F28 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

    English Français Deutsch Español 日本語 Additions SPEAKER SYSTEMS F12 F12M F15 F25 SUBW OOFER F28 Owner’ s Manual Mode d’emploi Bedienungsanleitung Manual de instrucciones Thank you for purchasing a Y AMAHA product. T o obtain maximum performance from your Y AMAHA speaker sys- tem and ensure many years of trouble-free operation, we reco[...]

  • Page 2

    2 Precautions A V OID EXCESSIVE HEA T , HUMIDITY , DUST AND VIBRA TION When choosing a location for your speakers, a void the follo wing: • Direct sunlight, high temperatures (such as near heat- ers), or excessi vely lo w temperatures. • High humidity . • Areas subject to excessi ve dust accumulation and vibration. • Non-le vel or unstable [...]

  • Page 3

    3 English Français Deutsch Español 日本語 Additions Connection e xample ■ Connections ● Stand alone 1 Use as full-range speaker system 2 Use as bi-amp speaker system ● Use combined with subwoof er 1 2-way crosso v er 2 3-way crosso v er ■ Speaker system and Neutrik NL4FC connector connections ■ Bi-amp drive The F12/F12M/F15/F25 al[...]

  • Page 4

    4 Hanging installation The F12/F15 can be installed hanging. Remov e the four countersunk screws on the top or bottom of the speak er system, scre w in the four accessory eye bolts and hang with wire. W arning: • Alwa ys use the accessor y ey e bolts. • Alwa ys hang with four ey e bolts on one surface. • Do not use the handle to hang the spea[...]

  • Page 5

    5 English Français Deutsch Español 日本語 Additions Specifications ■ SPEAKER SYSTEMS ■ SUBW OOFER Specifications subject to change without notice. ✩ F12M floor mounting angle Model F12 F12M F15 F25 F requency Range 55 Hz to 20 kHz 45 Hz to 20 kHz P ower Capacity NOISE 350 W (EIA RS-426) 700 W (EIA RS-426) PRGM 700 W 1400 W MAX 1400[...]

  • Page 6

    32 Technical Data ■F12/F12M Frequency Response/Impedance 10k 1k 100 20 2 4 8 FREQUENCY ( Hz ) RESPONSE ( dB ) 60 70 80 90 100 110 16 F12; Horizontal Directivity F12M;Vertical Directivity 0 ° 330 ° 300 ° 270 ° 240 ° 210 ° 180 ° 150 ° 120 ° 90 ° 50 50 60 ° 30 ° 40 40 30 20 10 0 30 20 10 0 • 500Hz • 1kHz • 2kHz 0 ° 330 ° [...]

  • Page 7

    33 日本語 Additions ■F15 Frequency Response/Impedance 10k 1k 100 20 2 4 8 FREQUENCY ( Hz ) RESPONSE ( dB ) 60 70 80 90 100 110 16 Horizontal Directivity 0 ° 330 ° 300 ° 270 ° 240 ° 210 ° 180 ° 150 ° 120 ° 90 ° 50 50 60 ° 30 ° 40 40 30 20 10 0 30 20 10 0 • 500Hz • 1kHz • 2kHz 0 ° 330 ° 300 ° 270 ° 240 ° 210 ° [...]

  • Page 8

    34 ■F25 Frequency Response/Impedance 10k 1k 100 20 2 4 8 FREQUENCY ( Hz ) RESPONSE ( dB ) 60 70 80 90 100 110 16 Horizontal Directivity 0 ° 330 ° 300 ° 270 ° 2 4 0 ° 210 ° 180 ° 150 ° 120 ° 90 ° 50 50 6 0 ° 30 ° 40 40 30 20 10 0 30 20 10 0 • 500Hz • 1kHz • 2kHz 0 ° 330 ° 300 ° 270 ° 2 4 0 ° 210 ° 180 ° 150 ° 120 [...]

  • Page 9

    35 日本語 Additions ■F28 Frequency Response/Impedance 10k 1k 100 20 2 4 8 FREQUENCY ( Hz ) RESPONSE ( dB ) 60 70 80 90 100 110 16[...]

  • Page 10

    36 Dimensions F12 75 ° 354.7 242 (59) 210 (106) D:375 H:714 W:500 F12M D:447 500 471 30 ° 60 ° W:705 H:465[...]

  • Page 11

    37 日本語 Additions F15 H:855 D:435 W:575 (105) (85) 245 428 297 75 ° F25 D:550 287 75 ° H:1225 W:575[...]

  • Page 12

    38 F28 W:1225 H:585 D:655 Unit: mm[...]

  • Page 13

    CJY0328 R1 1 AP 40 Pro Audio Division, #18/3 P.O. Box 3, Hamamatsu, 430-8651, Japan Printed in U.S.A.[...]