SpeakerCraftメーカーBB1235の使用説明書/サービス説明書
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Sp e ak e r C r af t ® Big Bang Power Amplifiers BB1235 Owner’ s Manual.
2 Audiophile Design Sophisticated design and superior internal components r esult in outstanding sound quality , performance and long term r eliability .
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 .
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.
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.
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 .
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 .
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.
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.
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.
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 .
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.
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 .
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.
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.
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 .
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.
デバイスSpeakerCraft BB1235の購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
SpeakerCraft BB1235をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはSpeakerCraft BB1235の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。SpeakerCraft BB1235の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。SpeakerCraft BB1235で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
SpeakerCraft BB1235を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はSpeakerCraft BB1235の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、SpeakerCraft BB1235に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちSpeakerCraft BB1235デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。