Go to page of
A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of SpeakerCraft BB1235, 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 SpeakerCraft BB1235 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 SpeakerCraft BB1235. 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 SpeakerCraft BB1235 should contain:
- informations concerning technical data of SpeakerCraft BB1235
- name of the manufacturer and a year of construction of the SpeakerCraft BB1235 item
- rules of operation, control and maintenance of the SpeakerCraft BB1235 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 SpeakerCraft BB1235 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 SpeakerCraft BB1235, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the SpeakerCraft 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 SpeakerCraft BB1235.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the SpeakerCraft BB1235 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
Sp e ak e r C r af t ® Big Bang Power Amplifiers BB1235 Owner’ s Manual[...]
-
Page 2
2 Audiophile Design Sophisticated design and superior internal components r esult in outstanding sound quality , performance and long term r eliability . Advanced Pr otection Each channel is individually pr otected. If the cir cuitry determines that a chan- nel must be shut down for pr otection, a rar e occurr ence, only the channel affected will b[...]
-
Page 3
4 Pr otection LEDs indicate that either a fault in the wiring, the speaker , or the amplifier has caused the amplifier to shut down. Active LED indicates that the amplifier is working. 3 Diagram 1 - Fr ont Panel Master power switch. T urns off power to amplifier and Power Mode Cir cuitry .[...]
-
Page 4
6 Level contr ols for each channel. Gold plated individual channel inputs allow you to connect differ ent audio sour ces to each channel. Input Selection switch allows you to select between the common bus and auxiliary inputs, or the individual channel input. One switch allows you to select which ster eo input channel will play thr ough the speaker[...]
-
Page 5
8 Bus Input Allows the signal fr om a sour ce to be distributed to any of the 12 channels on the amplifier . Auxiliary Inputs Allows a the signal fr om a secondary source to be distributed to any of the 12 channels of the amplifier . Impedance Switch Select either 8 Ω or 4Ω to maximize amplifier performance with a variety of speaker loads. See [...]
-
Page 6
10 Home Theater Example (Diagram 8) This example uses the power amplifier to drive the speakers in the home the- ater system. The two channels r emaining ar e used to pr ovide music to a sepa- rate ar ea or r oom. This configuration utilizes the bridging mode to pr ovide additional power . The following adjacent channels ar e bridged together: 1and[...]
-
Page 7
12 Room 4 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER Room 5 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER Room 6 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER AUDIO SOURCES CD Player L R OUTPUT T ape Deck L R OUTPUT DVD Player L R OUTPUT 11 Diagram 4 - Multi-Room Installation Room 1 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER Room 2 VOLUME CONTROL LEFT SPEAKE[...]
-
Page 8
14 ZONE 2 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER SOURCES CD Player #1 L R OUTPUT T ape Deck L R OUTPUT DVD Player L R OUTPUT CD Player #2 L R OUTPUT 13 Diagram 5 - Multi-Zone Installation #1 ZONE 1 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER VOLUME CONTROL LEFT SPE[...]
-
Page 9
16 ZONE 4 ZONE 5 ZONE 6 PEAKER VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER NE 3 TPUT R ZONE 4 OUTPUT L R ZONE 5 OUTPUT L R ZONE 6 OUTPUT L R VD PUT TUNER INPUT TAPE INPUT T uner L R OUTPUT T ape Deck L R OUTPUT 15 Diagram 6 - Multi-Zone Installation #2 ZONE 1 ZONE 2 Z[...]
-
Page 10
18 3 VOLUME CONTROL PEAKER RIGHT SPEAKER Room 4 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER Room 5 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER Room 6 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER DVD INPUT CD INPUT VCR INPUT L R L R L R SOURCES CD Player L R OUTPUT DVD Player L R OUTPUT VCR L R OUTPUT 17 Room 1 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER Roo[...]
-
Page 11
20 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER DVD INPUT CD INPUT R UT R L R L R SOURCES CD Player L R OUTPUT DVD Player L R OUTPUT VCR L R OUTPUT 19 Diagram 8 - Home Theater Installation VCR INPUT L R SUBWOOFER OUTPUT CHANNEL OUTPUTS HOME THEATER RECEIVER / PROCESSOR LEFT CENTER RIGHT REAR RIGHT REAR LEFT LEFT SPEAKER RIGHT SPEAKER REAR LEFT SPEAKER[...]
-
Page 12
22 CAUTION: All connections and switching must be done with the amplifier’ s master power switch positioned to “off”. Select the Power Mode Selection Refer to the Power Mode Selection ar ea under installation considerations to determine which setting to use to turn the amplifier on. Once you have determined which mode you will be using set th[...]
-
Page 13
Selecting Bridge Mode (See Diagram 12) Under normal operation, this should be left in the 8 ohm position as illustrat- ed in Diagram 11 . It is sometimes desirable to combine two channels into one thr ough bridging. The output of the combined channels can then be used to power one speaker . T o bridge two adjacent channels first make sur e that the[...]
-
Page 14
26 Connecting the Line Level Audio Inputs CAUTION: Only make connections when the amplifier is turned off. Ther e ar e thr ee ar eas that an input signal can be connected, BUS, AUX and LINE IN. Refer to the System Design Examples to determine which is best suit- ed for your application. Audio Outputs Sour ces connected to the “BUS” or “AUX”[...]
-
Page 15
28 No sound is hear d on one or some channels. (Continued) The level adjustment on the channel is turned all the way down. T urn it clockwise to raise the volume. Some or all of the internal fuses ar e blown. Return the amplifier to your SpeakerCraft dealer for servicing. Hum or buzzing sound is hear d. The sound may be caused by a gr ound loop in [...]
-
Page 16
Limited T wo-Y ear W arranty SpeakerCraft Inc. warrants to the original retail pur chaser only that this SpeakerCraft pr oduct will be free fr om defects in materials and workmanship for a period of two years, pr ovided the product was pur chased fr om a SpeakerCraft Authorized Dealer . Defective products must be shipped, together with pr oof of pu[...]
-
Page 17
Sp e a k e r C r af t ® LIT 8/00 940 Columbia Ave., Riverside CA 92507-4492 (800) 448-0976 Fax (9 51 ) 787-8747 www .speaker craft.com[...]