Manuale d’uso / di manutenzione del prodotto BB1235 del fabbricante SpeakerCraft
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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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il SpeakerCraft BB1235 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del SpeakerCraft BB1235 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso SpeakerCraft BB1235 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul SpeakerCraft BB1235 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il SpeakerCraft BB1235, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del SpeakerCraft BB1235.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il SpeakerCraft BB1235. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo SpeakerCraft BB1235 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
