Toa FB-120B manual

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The rules should oblige the seller to give the purchaser an operating instrucion of Toa FB-120B, 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 Toa FB-120B 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 Toa FB-120B. 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 Toa FB-120B should contain:
- informations concerning technical data of Toa FB-120B
- name of the manufacturer and a year of construction of the Toa FB-120B item
- rules of operation, control and maintenance of the Toa FB-120B 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 Toa FB-120B 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 Toa FB-120B, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Toa 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 Toa FB-120B.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Toa FB-120B 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

    Thank you for purchasing TOA's Subwoofer System. Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment. FB-120B FB-120W SUBWOOFER SYSTEM OPERA TING INSTRUCTIONS 1. SAFETY PRECAUTIONS • Before installation or use, be sure to carefully read all the instructions in this section for correct an[...]

  • Page 2

    5. INPUT CONNECTORS • The NEUTRIK Speakon connectors are internally connected in parallel to the screw terminals; you can use either one. • The right table shows the pin arrangement of the Speakon NL4MP connector. • The usable connector (on the cable end) for the Speakon NL4MP IS Speakon NL4FC. • Wiring diagram of the input connectors is sh[...]

  • Page 3

    4 π space: +0 dB (Free sound field) 2 π space: +6 dB (Semi-free sound field) π space: +12 dB (1/4 free sound field) π /2 space: +18 dB (1/8 free sound field) 6. INST ALLA TION 6.1. Installation Location and Acoustic Energy Acoustic energy emitted from the speaker differs depending on installation locations. The figures below show that the acous[...]

  • Page 4

    Printed in Indonesia 533-06-126-60 7. COMBINING THE FB-120 WITH FULL-RANGE SPEAKERS 7.1. Crossover Settings The subwoofer system already possesses the characteristic of suppressing sound in the mid- to high-frequency range, but a low-pass filter can also be added to eliminate unwanted mid- and high-frequency components even further for even greater[...]