Manuale d’uso / di manutenzione del prodotto B1500 del fabbricante Bose
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B1 500 / B2000 Power Amplifiers Owner s Guide Designed for.
2 1. Safety Information Safety Warning This unit is fitted with a 3-wire power connector. For safety reasons , t he earth lead should not be disconnected in any circumstan ce . If gro und loops are encountered consult the section on input connections later in this manual.
3 Contents 1. Safety Information 2 2. Before you begin 2.1. Unpacking the Amplifier ... ...... 4 3. The B 1500 and B2000 Prof essiona l Power Amplifiers .. 5 4. Installation 4.1. Location and general precautions . 6 4.2. Mechanical considerations 6 4.
4 2. Before You Begin Congratulations on your purchase of a new B OSE ® Professional Stereo Power Amplifier. The product has been designed to provide excellent son ic quality and has been engineered for reliability. 2.1 Unpacking the amplifier Carefully unpack y our a mplifier.
5 3. B 1500 / B2000 Power Amplifiers The B 1500 or B2000 A mplifier is a no compromise, high quality, class AB power amplifier. Fan speed is varied as required to keep the amplifier within its temperature limits. Signal limiters are included to protect speakers from clipped signals.
6 4. Installation 4.1 Location and general precautions Locate the unit where it will not be exposed to rain or moisture. If fluid or a foreign object enters the unit, disconnect the power plug. Do not pull by the cord; grasp the plug firmly. Contact an authorised dealer or service centre.
7 4. Installation Tx and the brown w ire to Spare Tx for 220Volt operation (Connect brown to Live Tx and violet to Spare Tx for 240Volt operation ). Live Tx Spare Tx B 1500 shown only .
8 4. Installation 4.6 Input s The inputs are made via 3-pin XLR connectors, w hich are electronically balanced and should be connected via a high grade twin core screened cable, as follows: - B alanc .
9 4. Installation Un balanced operation The a mplifier is designed to operate w ith fully balanced equip ment and ground loops or loss of performance may be exp erienced if connected to unbalanced sources. If it is unavoidable however, the following wiring should be used.
10 4. Installation 4.7 Link ing amplifiers Each amplifier channel is provided with a 3-pin XLR connector marked Link which allows the input signals to be linked to further amplifiers etc. The pin connections a re the same as for the input . 4.8 B ridged m ono operation For bridged mono operation connection should be made to channel A input only.
11 4. Installation 4. 9 Outpu ts The speaker outputs are via Neutrik Speakon connectors. Only 2 of the 4 poles are used. Stereo o peration B 1500 Shown Only Terminations are as follows: - Ch annel A Live (Hot) + Pin +1 Ch annel B Live (Hot ) + Pin +1 Ch annel A Return(Cold ) - Pin -1 Channel B Return(Cold) - Pin -1 NOTE : 1.
12 5. Operation 5.1 Switch on At S witch -on the protection cir cuit will initially activate whilst th e circuits stabilise. Assuming no faults are detected after a few seconds only the POWER LED ( and SIGNAL indicators if signal is applied) will illuminate.
13 6. Faults / Fuses / Maintenance There are internal secondary (low voltage) fuses on some internal supply rails. In the event of failure the uni t MUST BE DISCONNECTED FROM THE MAIN S SUPPLY B EFORE REMOVING THE UNI T COVER . The fus es sh ould be replaced with the sa me type only.
14 7. BOSE ® EQ Card s The B 1500 and B2000 power amplifiers are compatible wit h the e ntire range of BOSE Equalisation Cards . When configuring a bi - amplified syste m jumper links allow you to select hi gh pass filter functionality on certain EQ cards for mid/high loudspeakers.
15 7 . BOSE ® EQ Card s 7 .2 B2000 EQ card fitting Locate the EQ C ard sockets. Insert the EQ Card into the so cket, observing t he orientation of the mating connector.
16 7. BOSE ® EQ Card s 7 .3 EQ card fitting f or bridged mono operation The Bos e EQ card should be fitted into the channel A connector inside the amplifier and the input signal should be connected to input A. The brid ge sw itch on the rear of the amplifier should be set to bridge mode.
17 8 . Technical Specification TECHNICAL SPECIFICATION B 1500 POWER OUTPUT: Continuous output power, both channels driven: Power values measur ed at 230Vac 450 Watts per channel into 8 from 20Hz to 20 kHz, with no more than 0.03% THD 715 Watts per channel into 4 from 20Hz to 20 kHz , with no more than 0.
9 . Declaration of Conformity DECLARATION OF CONFO RMITY We, the offerer: Bose Corporation, The Mountain, Framingham, MA 01701 - 9168 USA acknowledge our responsibility, that the product: Kind of equi.
How to reach the sales offices in Europ e Austria Professional Systems Division, Austria Bose Ges.m.b.H., Business Park Vienna Wienerbergstrasse 7, 10 O.G. 1100 Wien, Österreich Telephone: 01 -60404340 Fax: 01 - 604043423 Belgium Professional Systems Division, Belgium Bose N.
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 Bose B1500 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 Bose B1500 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Bose B1500 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Bose B1500 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Bose B1500, 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 Bose B1500.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Bose B1500. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Bose B1500 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.
