Manuale d’uso / di manutenzione del prodotto 558 del fabbricante Meridian
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Meridian 558 Multi Channel Power Amplifier user guide.
i Preface Meridian 558 Multi Channel Power Amplifier User Guide.
Preface ii Sales and service in the UK Meridian Audio Ltd Stonehill Stukeley Meadows Cambs PE18 6ED England Tel␣ ␣ (01480) 52144 Fax␣ ␣ (01480) 459934 World Wide Web http://www.
iii Preface Contents Introduction 1 Introduces the 558 Multi Channel Power Amplifier, and provides an overview of the other products available in the Meridian 500 Series. The Meridian 500 Series ........................ 2 Sample configurations .......
Preface iv.
Introduction 1 Intr oduction T he 558 Multi Channel Power Amplifier provides five discrete power amplifiers in a single enclosure, and is ideal for multi-channel surround systems. Two pairs of channels can also be operated in bridge mode, for over twice the power output.
2 Introduction The Meridian 500 Series The Meridian 500 Series is a unique system of digital, analogue, and video components designed to meet the demand for absolute quality, ease of use, and lasting value.
Introduction 3 Sample configuration 558 Multi Channel Power Amplifier The 558 Multi Channel Power Amplifier is ideal for use with the Meridian 561 Digital Surround Controller or the 568 Digital Surround Processor, to drive five analogue loudspeakers in a high-quality surround system.
4 Introduction Specification Input 1.4V RMS. Output (bridged Greater than 200W per channel into 8 Ω . mode off) Greater than 300W per channel into 4 Ω . Output (bridged Greater than 400W into 8 Ω . mode on) Greater than 600W into 4 Ω . Distortion Less than 0.
Setting up the multi channel power amplifier 5 Setting up the multi channel power amplifier T his chapter explains how to install the multi channel power amplifier. It describes what you should find when you unpack the multi channel power amplifier, how you should connect it to your other audio equipment, and the siting constraints.
Setting up the multi channel power amplifier 6 Unpacking The 558 Multi Channel Power Amplifier comes in a box containing the following components: ❍ 558 Multi Channel Power Amplifier. ❍ 1 power cord. ❍ 2 bridged mode links. ❍ This manual. You are advised to retain the packing in case you need to transport the unit.
Setting up the multi channel power amplifier 7 Back panel Connecting the multi channel power amplifier OFF ON TRIGGER INPUT INPUT SELECTOR BALANCED UNBALANCED BALANCED UNBALANCED + + –– BRIDGED MO.
Setting up the multi channel power amplifier 8 Outputs The following table gives details of the output connections: Use this output To connect to this CHANNEL 1 to Loudspeakers of 4 Ω to 15 Ω , using CHANNEL 5 either plug or bare wire connections.
Setting up the multi channel power amplifier 9 Standby Once set up, the multi channel power amplifier can be left in standby as it consumes negligible power in this mode. To bring the amplifier out of standby press the button on the front panel. Alternatively, the 558 can be brought out of standby automatically using the TRIGGER INPUT; see below.
Setting up the multi channel power amplifier 10 To connect to a 568 Digital Surround Processor 558 Multi Channel Power Amplifier 568 Digital Surround Pr ocessor RIGHT C REAR-L REAR-R LEFT OFF OFF ● Switch the two BRIDGED MODE switches to the OFF position.
Setting up the multi channel power amplifier 11 To connect to A500 Loudspeakers 558 Multi Channel Power Amplifier A500 Loudspeaker A500 Loudspeaker OFF OFF ● Set the BRIDGED MODE switches to the OFF position.
Setting up the multi channel power amplifier 12 To wire to A500 Loudspeakers in bridged mode 558 Multi Channel Power Amplifier A500 Loudspeaker A500 Loudspeaker ON ON Input Input You can wire channels 1/2 and 4/5 in bridged output mode, to obtain more than twice the power output.
Setting up the multi channel power amplifier 13 ● If necessary, remove the links bridging the LF and HF terminals on the back of each loudspeaker. ● Connect the red and black terminals from the LF and HF units on the left loudspeaker to the red and black terminals on channels 1 and 2.
Setting up the multi channel power amplifier 14 To connect two 558s to a seven-channel surround system ON OFF 2 x 558 Multi Channel Power Amplifiers ON ON Centre Main left Main right Rear left Rear ri.
Troubleshooting 15 T r oubleshooting T his chapter provides suggested solutions to typical problems that may occur when setting up or using the multi channel power amplifier.
Troubleshooting 16 T r oubleshooting No front panel indicator is shown ❍ Check that your AC power supply is connected correctly. ❍ Check that the ON OFF switch on the back panel is in the ON position. ❍ Check that the unit has been taken out of standby using the front panel button or TRIGGER INPUT.
Troubleshooting 17 Cleaning When cleaning the multi channel power amplifier bear in mind that the front of the unit is brushed aluminium and the case is metal. Disconnect the power cord before cleaning the unit. Note: Do not use abrasive cleaners on any part of the multi channel power amplifier.
Troubleshooting 18 Service The Meridian 500 Series of hi-fi components have been carefully designed to give years of untroubled service. There are no user- serviceable parts inside the case, nor do the units require any form of maintenance.
19 Index Index A Accessorie s 4 B Balanced inputs 8 Bi-amp connectio n 13 Bi-wire connectio n 8 , 11 Bridged mod e 12 C Cleanin g 17 the audio connection s 17 the case 17 Components 6 Connecting to a .
Index 20.
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 Meridian 558 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 Meridian 558 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Meridian 558 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Meridian 558 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Meridian 558, 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 Meridian 558.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Meridian 558. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Meridian 558 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.
