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Table of Contents
Troubleshooting
Related Manuals for Meridian 857
Summary of Contents for Meridian 857
- Page 1 Reference Two Channel Power Amplifier 857 User Guide...
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Page 2: Important Safety Instructions
No user The top and bottom of the Reference tripod, bracket, or table serviceable parts inside. Refer servicing Two Channel Power Amplifier 857 case specified by the manufacturer, to qualified service personnel. contains venting holes for the internal or sold with the apparatus. -
Page 3: Table Of Contents
Contents Contents Introduction General features Specifications Installing the Reference Two Channel Power Amplifier Unpacking Applications Troubleshooting Troubleshooting Maintenance Service and guarantee Index... -
Page 4: Product Registration
Latham Road Copyright © 2016 Meridian Audio Ltd. Huntingdon Cambridgeshire Part no: P88451 PE29 6YE Meridian is a registered trademark of Meridian England Audio Ltd. Tel (01480) 445678 This guide was produced by: Fax (01480) 445686 Human-Computer Interface Ltd, http://www.interface.co.uk... -
Page 5: Introduction
Introduction Introduction Welcome to the Meridian Reference Two Channel Power Amplifier. This User Guide provides full information about using the product in conjunction with your other equipment, to achieve the superb results you can expect from it. -
Page 6: General Features
12 gauge 147 strand OFC silver-coated cable to before they enter the amplifier itself using Meridian’s maximise power transfer. proprietary ‘superbal’ technology. Control... -
Page 7: Specifications
Switch for bridge mode. • 220-240V AC 50/60Hz. • Three temperature-controlled fans per channel. Audio outputs Meridian Audio reserves the right to amend product • 4 WBT terminals per side, allowing bi-wiring. specifications at any time. • 2 x 250W into 8... - Page 8 Introduction...
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Page 9: Installing The Reference Two Channel Power Amplifier
Installing the Reference Two Channel Power Amplifier Installing the Reference Two Channel Power Amplifier This chapter explains how to install the Reference Two Channel Power Amplifier. It describes what you should find when you unpack the product, and how you should connect it to the other equipment in the system. -
Page 10: Unpacking
Installing the Unpacking Reference Two Channel Power Amplifier The Reference Two Channel Power Amplifier is Operation supplied with the following accessories: The indicator on the front panel shows the status of the • Power cord. amplifier: • Bridge-mode link. • This manual. -
Page 11: Back Panel
Installing the Reference Two Channel Power Amplifier Back panel The following diagram gives details of the back panel connections: Right Left Right Power Left unbalanced Input balanced switch and balanced Input unbalanced input selector input fuse input selector input Input Right Power Input Left Bridge Mode Input... -
Page 12: Applications
Installing the Applications Reference Two Channel Power Amplifier To connect to an unbalanced preamplifier Unbalanced preamplifier 857 Power Amplifier ANALOGUE Phono leads • Connect outputs from the preamplifier to the Unbalanced sockets on the power amplifier. • Set the Bridge Mode Selector to the Off position. - Page 13 Installing the Reference Two Channel Power Amplifier To connect to a balanced preamplifier (eg Meridian Ultra Digital to Analogue Converter) Speaker 857 Power Amplifier Speaker INPUTS INPUTS – – – – – – Ultra Digital to Analogue Converter BALANCED XLR leads...
- Page 14 Installing the Reference Two Channel Power Amplifier To connect to passive loudspeakers Loudspeaker Loudspeaker 857 Power Amplifier – – – – – – • Set the Bridge Mode Selector to the Off position. • Connect one of each pair of the red and black...
- Page 15 Installing the Reference Two Channel Power Amplifier To wire to a passive loudspeaker in bridge mode Loudspeaker 857 Power Amplifier – – – – – Input You can use the Reference Two Channel Power Amplifier as a mono power amplifier, to obtain more than twice the power output, by wiring it in bridge mode.
- Page 16 Installing the Reference Two Channel Power Amplifier To bi-amp to two passive loudspeakers Loudspeaker 857 Power Amplifier – – – – – Phono leads Right input 857 Power Amplifier Loudspeaker – – – – – Left input Extremely high sound quality can be achieved using two •...
- Page 17 Installing the Reference Two Channel Power Amplifier To connect to a Meridian 861 Reference Digital Surround Controller 861 Reference Digital Surround Controller Centre speaker 857 Power Amplifier Subwoofer BALANCED INPUTS INPUTS OUTPUTS – – – – – – Front right speaker...
- Page 18 Installing the Reference Two Channel Power Amplifier...
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Page 19: Troubleshooting
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. If these suggestions fail to cure the problem, please contact your Meridian dealer for further assistance. -
Page 20: Troubleshooting
Troubleshooting Troubleshooting No front-panel indicator is shown • Check that the AC power supply is connected correctly. Check that the ON OFF switch on the back panel is • in the ON position. • Check that the fuse on the product’s back panel and the fuse in the unit’s power plug have not blown;... -
Page 21: Maintenance
Troubleshooting Maintenance To clean the case • Disconnect the power cord before cleaning the unit. The exterior surfaces of the Reference Two Channel Power Amplifier are made from solid anodised aluminium, powder coated steel, thermoplastic rubber, and glass. They are designed to be easily wiped clean with a dry, lint free cloth. -
Page 22: Service And Guarantee
In case of difficulty outside the UK or USA, contact Outside the UK, local warranty liability is restricted to the importing agent for the territory. A list of Meridian equipment purchased within the territory. Our agents agents outside the UK is available from Meridian Audio. -
Page 23: Index
7 Meridian 861 Reference Digital balanced preamplifier, connecting Surround Controller, connecting to 9 to 13 bi-amping 12 Meridian Ultra Digital to Analogue bi-wiring 10 Converter, connecting to 9 bridge mode 11 operation 6 cleaning 17 outputs 7 Comms, connecting 8...