Manuale d’uso / di manutenzione del prodotto Power Amplifier G Series del fabbricante Meridian
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G Series P ower Amplifier Installation Guide G Series Power Amplifier 1 9/5/06 11:59:26 am.
Preface i i Important safety instructions • Read the instructions . • K eep these instructions . • F ollow all instructions . • Do not use this apparatus near w ater . • Clean only with a dry cloth. • Install only in accordance with the manufacturer’ s instructions .
Contents iii Contents Introduction 1 Provides information about the power amplifier models , a description of each product, and technical specifications . P ower amplifier models 1 Specifications 4 Installing the power amplifier 5 Describes how to install the power amplifier and connect it to the other equipment in the system.
Preface i v Copyright and acknowledgements Sales and service in the UK Meridian Audio Ltd Latham Road Huntingdon Cambridgeshire PE29 6YE England T el +44 (0)1480 445678 F ax +44 (0)1480 445686 Sales a.
Introduction 1 Product Channels P ower per channel Bridged G55 5 100W into 8 Ω , 160W into 4 Ω 300W into 8 Ω G56 2 100W into 8 Ω , 160W into 4 Ω 300W into 8 Ω G57 2 200W into 8 Ω , 330W into 4 Ω 620W into 8 Ω All G Series power amplifiers provide unbalanced and balanced inputs and are bridgeable .
Introduction 2 Gener al features Each of the G Series power amplifiers is based on modules that feature a symmetrical design with fully electronically-balanced inputs .
Introduction 3 G55 Five-channel P ower Amplifier T he Meridian G55 is a five-channel unit, and delivers a solid 100W RMS per channel continuous into 8 Ω .
G55 G56 G57 Distortion Less than 0.01%. Less than 0.01%. Less than 0.01%. Signal/Noise Better than -100dB . Better than -100dB . Better than -100dB . Inputs Balanced on XLR and unbalanced on phono . Sensitivity 1.0V RMS phono/per leg balanced. 1.0V RMS phono/per leg balanced.
Installing the power amplifier 5 Installing the power amplifier Unpacking T he power amplifier is supplied with the following accessories: • P ower cord. • Bridge-mode links (G55-2, G56/G57-1). • T his manual. If any of these items are missing please contact your dealer .
G55 Five-channel P ower Amplifier .
T o connect the G55 to an unbalanced preamplifier (eg G01 Control Unit) G55 Five-channel P ower Amplifier OFF OFF G01 Control Unit PRE OUT A UDIO LEAD A U DIO LEAD • Switch the BRIDGE MODE switch for channels 1/2 to the OFF position. • Connect the UNBALANCED sockets on the power amplifier to the outputs from the preamplifier .
Installing the power amplifier 8 T o connect the G55 to a G68AXV Digital Surround Controller G55 Five-channel P ower Amplifier OFF OFF CENTRE SUB RIGHT LEFT REAR LR A/B LR SIDE LR G68AXV Digital Surround Controller • Switch the two BRIDGE MODE switches to the OFF position.
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G57 T wo-channel P ower Amplifier .
T o connect to an unbalanced preamplifier (eg G01 Control Unit) G01 Control Unit PRE OUT A U DIO LEAD A U DIO LEAD G56/G57 OFF • Switch the BRIDGE MODE switch to the OFF position. • Connect the UNBALANCED sockets on the power amplifier to the outputs from the preamplifier .
T o connect to each channel of a G68AXV or G68XXV Digital Surround Controller CENTRE SUB RIGHT LEFT REAR LR A/B LR SIDE LR G68AXV/XXV Digital Surround Controller G56/G57 ON 2 x G56/G57 T wo-channel P .
G55 Five-channel P ower Amplifier .
Installing the power amplifier 1 4 T o connect to passive loudspeakers Loudspeak er G55 Five-channel P ower Amplifier T reble Bass/mid Loudspeak er OFF OFF T reble Bass/mid • Set the BRIDGE MODE switches to the OFF position.
Installing the power amplifier 1 5 T o wire to passive loudspeaker s in bridge mode Loudspeak er G55 Five-channel P ower Amplifier T reble Bass/mid Loudspeak er ON INPUT INPUT ON T reble Bass/mid Y ou can wire channels 1/2 and 4/5 in bridge output mode , to obtain more than twice the power output.
Installing the power amplifier 1 6 T o bi-amp to two passive loudspeakers Loudspeak er T reble Bass/mid Loudspeak er OFF INPUT INPUT OFF T reble Bass/mid G55 Five-channel P ower Amplifier Extremely high sound quality can be achieved using two separate channels of the power amplifier to drive the LF and HF units in each loudspeaker .
Installing the power amplifier 1 7 T o connect two G55s to a seven-channel surround system ON ON OFF ON Main right input Rear left input Rear right input G55 Five-channel P ower Amplifier G55 Five-cha.
G56 T wo-channel P ower Amplifier .
G57 T wo-channel P ower Amplifier .
Installing the power amplifier 2 0 T o connect to passive loudspeakers Loudspeak er T reble Bass/mid Loudspeak er T reble Bass/mid G56/G57 OFF • Set the BRIDGE MODE switch to the OFF position.
Installing the power amplifier 2 1 T o wire to a passive loudspeaker in bridge mode Loudspeak er INPUT T reble Bass/mid G56/G57 ON Y ou can use the G56/G57 as a mono power amplifier , to obtain more than twice the power output, by wiring it in bridge mode .
Installing the power amplifier 2 2 T o bi-amp to two passive loudspeakers .
T r o u b l e s h o o t i n g 2 3 T roubleshooting We expect you to achieve superb results with the power amplifier . If , however , you encounter any problems, either when installing it, or during operation, please check the following pages for suggested solutions .
T r o u b l e s h o o t i n g 2 4 Maintenance Cleaning T o clean the case • Disconnect the power cord before cleaning the unit. T he exterior surfaces of Meridian G Series products are made from solid anodised aluminium, powder coated steel, thermoplastic rubber , and glass.
T r o u b l e s h o o t i n g 2 5 Service and guar antee Service T he Meridian G Series of hi-fi components has been carefully designed to give years of untroubled service . T here are no user - serviceable parts inside the case , nor do the units require any form of maintenance.
T r o u b l e s h o o t i n g 2 6 G Series Power Amplifier 26 9/5/06 12:00:07 pm.
Index 2 7 A accessories 5 B balanced preamplifier , connecting to G55 7 G56 or G57 11 bi-amping G55 16 G56 or G57 22 bi-wiring G55 14 G56 or G57 20 bridge mode G55 15 G56 or G57 21 C cleaning 24 conne.
Index 2 8 L loudspeak ers , connecting to G55 14-16 G56 or G57 20-22 M mains fuse, changing 24 models 1 O outputs 13 P preamplifier , connecting to 11 S safety warnings ii seven-channel surround syste.
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 Power Amplifier G Series 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 Power Amplifier G Series - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Meridian Power Amplifier G Series imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Meridian Power Amplifier G Series ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Meridian Power Amplifier G Series, 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 Power Amplifier G Series.
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 Power Amplifier G Series. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Meridian Power Amplifier G Series 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.
