Manuale d’uso / di manutenzione del prodotto SB-301 del fabbricante Plinius
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2 CONGRATULATIONS on your decision to become the proud owner of this Plinius SB-301 Power Amplifier. This manual has been prepared to help you understan d the operation of your amplifier, and to provide information about its design and the variety of ways it may be used.
3 DESIGN PHILOSOPHY From a distance you can see that the design of the Plinius products is more than an applied styling exercise to the front panel. We have started from th e ground up to produce a casing for our electronics that is unrivalled in its physical strength and visual simplicity.
4 C ONTENTS Introduc tion .................................................................................................................. ..................... Page 2 Design Phil osophy ..............................................................
5 P RECAUTIONS Please take special note of the following prec autions before operating your new amplifier: • The Plinius SB-301 Power Amplifier may deliver in ex cess of 300 watts into 8 ohms. This amplifier is also capable of a very large peak current delivery.
6 ST A N D B Y E RROR A MPLIFIER F EATURES – F RONT P ANEL F RONT P ANEL L AYOUT S HOWING S TANDBY A ND E RROR LED S STANDBY LED The Standby LED indicates when the amplifier has been put into standby mode by an external processor (connected to the remote trigger te rminals described later).
7 PUSH PUSH Z258 CAUTIO N RISK OF EL ECTRI C SHO C K DO NOT OPE N A M P L IF IE R C O N F IG U R A T I O N S E L E C T O R RE FE R TO OW N ERS M A N UA L FOR USA GE I NSTRUCTI ON S R C A S T ER EO X L R S T E R EO 1100 V A PLIN IUS SB- 3 0 1 S T ER EO P OW ER A MP L I F I E R SERIAL No .
8 A M P L IF IE R C O N F IG U R A T IO N S E L E C T O R RE FE R TO OW N E RS M A N U A L F OR U SA G E I N S T RUCTI ON S R C A S T EREO X L R S T ER EO INPUT TERMINALS Input terminals for your Plinius SB- 301 Power Amplifier are easily acce ssible and fitted to the top centre area of the rear panel.
9 The ACS switch options are: RCA STEREO: This option provides a stereo output via both left and right output channels fro m a stereo signal connected to both left and right input RCA inputs. XLR STEREO: This option provides a stereo output signal from a balanced stereo input signal connected to both the left and right XLR inputs.
10 GROUND LIFT SWITCH This switch is located adjacent to the Mains In put Socket, and allows the signal ground to be disconnected from the chassis. In some installation s a hum loop may exist due to duplicate ground paths from different equipment.
11 I NSTALLATION AND O PERATION PLACEMENT AND VE NTILATION Your Plinius SB-301 is designed to operate at a moder ately high temperature, even more so when used in Class A. The ideal location is on a rigid stand or floor mounted away from direct contact with any temperature sensitive materials or deep pile carpets.
12 RI G H T OU T PU T S + + LEF T OU T PU TS + + A M PL I F I E R CON FI GU RAT I O N SE L E CT O R RE FE R TO OW N E RS M A NU A L FOR USA GE I N ST RUCTI ON S R C A S T ER EO X L R ST ER EO R I G HT.
13 XLR STEREO Connect your processor or input signal to the two XLR inputs at the top of the amplifier back panel. Make sure you connect the RIGHT XLR input and LEFT XLR inputs to the right and left outputs from your processor respectively. Also make sure the XLR connectors click into place.
14 CONNECTING THE MAINS SUPPLY Now that your Plinius SB-301 Power Amplifier is config ured to your system corre ctly, the mains cable can be plugged into the IEC connector on the back of the amplifier. Once the power is connected, flick the main power switch on the front panel to the right.
15 SB-301 F EATURES ERROR DETECTION The Plinius SB-301 Power Amplifier has in-built error de tection. This will func tion under the following conditions: • When the amplifier is overdriven/clipped • If any internal fuse is damaged Should either of these circumstances arise the amplifie r will disconnect both channels and mute the input.
16 MAINS/LINE FUSE A Mains/Line fuse is fitted within th e IEC Mains/Line socket on the rear of the amplifier. A small drawer a t the bottom of this socket may be removed (after the IE C plug is removed) by levering it out with a flat blade screwdriver.
17 L OUDSPEAKER S ELECTION Your Plinius SB-301 Power Amplifier is designed for use with high fidelity loudspea kers. It should not be used to operate any other type of appliance or equipment. Choice of loudspeakers is one of personal taste, pr oviding the chosen loudspeakers are suitable for use with your amplifier.
18 S PECIFICATIONS 310-WATTS CONTINUOUS PER CHANNEL INTO 8 OHMS. BOTH CHANNELS DRIVEN FR OM 20Hz TO 20kHz. F REQU ENCY R ESPONSE : 20Hz to 20kHz ± 0.2dB. -3dB at 1Hz and -3dB at 70kHz. D ISTORT ION : Typically <0.05% THD at rated power. 0.
19 I NDEX ACS (Amplifier Config uration Selector) ......................................................................................... .P a g e 8 Balanced Signal ....................................................................................
20 C ONTACT D ETAILS All operational, technical and descriptive material publ ished here is subject to change at any time without notice. For further product info rmation or queries, please cont act us a t the address below. PLINIUS products are designed and manufactured by: Plinius Audio Ltd.
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 Plinius SB-301 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 Plinius SB-301 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Plinius SB-301 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Plinius SB-301 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Plinius SB-301, 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 Plinius SB-301.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Plinius SB-301. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Plinius SB-301 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.
