e i d u g r e s u Meridian 555 Power Amplifier
Sales and service in the UK Meridian Audio Ltd Stonehill Stukeley Meadows Sales and service in the USA Cambs PE18 6ED Meridian America Inc England 3800 Camp Creek Parkway Building 2400 Tel (01480) 52144 Suite 112 Fax (01480) 459934 Eastpoint World Wide Web Designed and manufactured in the UK by Digital Gramophone and Wireless Ltd Atlanta Stonehill GA 30331 Stukeley Meadows http://www.meridian.co.
Contents Introduction 1 Introduces the 555 Stereo Power Amplifier, and provides an overview of the other products available in the Meridian Setting up the Stereo Power Amplifier 7 500 Series. Describes how to unpack, install, and use The Meridian 500 Series ........................ 2 the stereo power amplifier, and explains Sample configurations ........................... 3 what you should do if your stereo power Specification and accessories ............... 6 amplifier requires servicing.
iv Preface
Introduction In choosing the 555 Stereo Power Amplifier you have acquired a component that combines major advances in audio and engineering design. The 555 Stereo Power Amplifier uses a unique feedback topology and precision local error correction system. It is designed and constructed in dual mono format, including a massive twin wound toroidal transformer, and the unit has full thermal, load, and DC protection.
The Meridian 500 Series The Meridian 500 Series is a unique system of digital, analogue, 500 Series communications and video components designed to meet the demand for absolute quality, ease of use, and lasting value. The Meridian 500 Series includes a sophisticated communications link, to ensure that any configuration of units The flexibility of the Meridian 500 Series is such that you can will work together as a fully integrated system.
Sample configurations 506 Compact Disc Player 500 Compact Disc Transport A2 A2 506 504 500 501 M60555 M60 504 562 DSP5000 DSP5000 The 500 Compact Disc Transport provides a precision digital converter, providing both digital and analogue outputs. output, and can drive DSP5000 Digital Loudspeakers directly.
563 Digital to Analogue Converter 501V Control Unit VIDEO LASERDISC Introduction 500 4 563 501V M60 M60 The digital output provided by the 500 Compact Disc Transport The 501V Control Unit is a full function preamplifier for use with can be decoded by the 563 Digital to Analogue converter to any analogue source, and includes video switching for complete provide a high-quality audio output for use with a conventional control of systems that include video sources such as a audio preamplifier.
562V Multimedia Controller SATELLITE VIDEO 504 TV LASERDISC 500 562V D6000 D6000 The 562V Multimedia Controller is the ideal control unit for use conventional analogue sources such as the 504 FM Tuner and with the Meridian D6000 Digital Loudspeakers. video sound.
Specification and accessories Specification Available accessories Input 1.4V RMS. Output 65W per channel into 8Ω. 100W per channel into 4Ω. ❍ Power cord Canada and USA. Less than 0.05%. Noise Less than -90dB. Finish Black textured enamel and glass. range of cables suitable for connecting the 555 Stereo Power Heatsinks black painted aluminium. Amplifier to other equipment. 88mm x 321mm x 320mm (3.46" x 12.64" x 12.6"). Weight 9kg. Consumption 30VA quiescent, 300VA max.
Setting up the Stereo Power Amplifier This chapter explains how to install the stereo power amplifier. It describes what you should find when you unpack the stereo power amplifier, how you should connect it to your other audio equipment, and the siting constraints. You should not make any connections to the stereo power amplifier or to any other component in your system whilst the AC power supply is connected and switched on.
Unpacking The 555 Stereo Power Amplifier comes in a box containing the Once set up, the stereo power amplifier can be left switched on following components: as it consumes negligible power when not in use. ❍ 555 Stereo Power Amplifier. If you are not going to use the stereo power amplifier for a ❍ 1 power cord. period of several days you should switch the unit completely off, ❍ This manual. at the rear panel, and disconnect it from the AC power supply.
Connecting the stereo power amplifier Rear panel connections to the bass/mid and tweeter units this allows the units to be connected independently to the stereo power The diagram below shows the rear panel connections. amplifier, for optimum sound quality. Outputs Alternatively, for loudspeakers providing a single pair of inputs, either of the output terminals can be used. The output terminals should be connected to loudspeakers of 4Ω to 15Ω, using either banana plug or bare wire connections.
To connect to a conventional preamplifier To connect to A2 Loudspeakers A2 Loudspeaker A2 Loudspeaker ● Connect the sockets marked INPUT on the rear panel of the stereo power amplifier to the outputs from your preamplifier. You should either use a twin-screened audio cable, or a pair of single-screened audio cables.
To bi-wire to A2 Loudspeakers ● Connect the TWEETER red and black terminals from each loudspeaker to the other pair of red and black terminals on the A2 Loudspeaker A2 Loudspeaker ● If necessary, remove the links bridging the BASS/MID and TWEETER terminals on the rear of each loudspeaker. ● Connect the BASS/MID red and black terminals from each loudspeaker to the red and black terminals on the appropriate channel of the stereo power amplifier, using twin loudspeaker cable.
Troubleshooting This section describes problems you may encounter when using The sound has cut out the stereo power amplifier, and includes suggested solutions. The 555 Stereo Power Amplifier includes a thermal shutdown, If these suggestions fail to cure the problem, please contact which mutes the output if the amplifier becomes too hot. your Meridian dealer for further assistance.
Maintenance Cleaning To clean the audio connections When cleaning the stereo power amplifier bear in mind that the The audio sockets on the rear of the stereo power amplifier are front of the unit is metal, and the lid is glass. gold-plated and need no cleaning if gold-plated phono plugs are used. Otherwise, it is recommended that you unplug and Disconnect the power cord before cleaning the unit. reconnect the plugs at least once a year. A proprietary contact cleaner can be used to some advantage.
Service and guarantee Service Guarantee The Meridian 500 Series of hi-fi components have been carefully The 555 Stereo Power Amplifier is guaranteed against defects in designed to give years of untroubled service. There are no user- material and workmanship for 2 years from the date of purchase. serviceable parts inside the case, nor do the units require any form of maintenance.
Index A Accessories 6 M B Bi-wire connection 9, 11 Maintenance 13 P Positioning S Service 14 8 Meridian 500 Series 2 500 Compact Disc Transport 3 501 Remote Control Preamplifier C Cleaning 501V Control Unit 4 Specification the audio connections 13 504 FM Tuner Switching on 8 the case 506 Compact Disc Player 3 13 3 Components 8 555 Stereo Power Amplifier Connecting 562 Digital Controller to a 501 Control Unit 10 to a conventional preamplifier to A2 Loudspeakers 562V Multimedia Co
16 Index
