MeridianメーカーPower Amplifier G Seriesの使用説明書/サービス説明書
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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.
デバイスMeridian Power Amplifier G Seriesの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Meridian Power Amplifier G Seriesをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはMeridian Power Amplifier G Seriesの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Meridian Power Amplifier G Seriesの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Meridian Power Amplifier G Seriesで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Meridian Power Amplifier G Seriesを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はMeridian Power Amplifier G Seriesの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Meridian Power Amplifier G Seriesに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちMeridian Power Amplifier G Seriesデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
