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Meridian 559 Two Channel Power Amplifier
user guide
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Preface Meridian 559 Stereo Power Amplifier User Guide i
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Sales and service in the UK Meridian Audio Ltd Stonehill Stukeley Meadows Sales and service in the USA Cambs PE29 6EX Meridian America Inc Designed and England 3800 Camp Creek Parkway manufactured in the UK by Building 2400 Tel (01480) 445678 Suite 122 Meridian Audio Ltd Fax (01480) 445686 Atlanta Stonehill GA 30331 Stukeley Meadows World Wide Web Cambs http://www.meridian-audio.com Tel (404) 344 7111 PE29 6EX Fax (404) 346 7111 England Copyright © 1993–2001 Meridian Audio Ltd Part no: 559/1 Thi
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Preface Contents Introduction 1 Introduces the 559 Stereo Power Setting up the stereo Amplifier, and provides an overview of the power amplifier 7 other products available in the Meridian 500 Series. Describes how to unpack, install, and use the stereo power amplifier, and explains The Meridian 500 Series ........................ 2 what you should do if it requires servicing. Troubleshooting 17 Sample configurations ........................... 3 Specification and accessories ............... 5 Un
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iv Preface
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Introduction Introduction In choosing the 559 Stereo Power Amplifier you have acquired a component that combines major advances in audio and engineering design. The 559 Stereo Power Amplifier uses a unique feedback topology and precision local error correction system. It includes two massive toroidal transformers, and the unit has full thermal, load, and DC protection. The 559 Stereo Power Amplifier can also be operated in bridge mode, for over three times the power output to a single loudspeake
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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. assemble a system as simple or as complex as you need, pe
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Introduction Sample configurations Meridian Analogue Theatre 596 559 559 559 568/561 559 559 Stereo Power Amplifiers are ideal for use with the Meridian bridge mode to drive the three front loudspeakers, and a fourth 561 Digital Surround Controller or the 568 Digital Surround 559 to drive the two rear loudspeakers. The 568 provides Processor, to drive five passive loudspeakers in a high-quality balanced outputs for the front left, right, and centre channels, surround system. The recommended conf
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588 Compact Disc Player 588 559 502 The 588 Compact Disc Player is ideally suited for use with the Meridian 559 Stereo Power Amplifier and passive loudspeakers, with control over the volume and source selection provided by the 502 Analogue Controller. These units provide balanced inputs and outputs, allowing a completely balanced system to be created. 4 Introduction
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Introduction Specification and accessories Specification Trigger input 5 to 30VDC or 5 to 30VAC peak to peak. Input 1.65V RMS. Polarity independent. Output (stereo) Greater than 300W per channel into 8Ω . Meridian Audio reserves the right to amend product Greater than 500W per channel into 4Ω . specifications at any time. Output (bridge) Greater than 600W into 16Ω . Greater than 1000W into 8Ω . Available accessories Greater than 1600W into 4Ω . The following accessories are available from your d
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6 Introduction
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Setting up the stereo power amplifier Setting up the stereo power amplifier This chapter explains how to install the 559 Stereo Power Amplifier. It describes what you should find when you unpack the amplifier, how you should connect it to your other audio equipment, and the siting constraints. You should not make any connections to the 559 Stereo Power Amplifier or to any other component in your system whilst the AC power supply is connected and switched on. 7
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Unpacking The 559 Stereo Power Amplifier comes in a box containing the Safety warnings following components: ❍ Do not expose the stereo power amplifier to dripping or ❍ 559 Stereo Power Amplifier. splashing. ❍ 1 power cord. ❍ Do not place any object filled with liquid, such as a vase, on ❍ 1 bridge mode link. the stereo power amplifier. ❍ This manual. ❍ Do not place naked flame sources, such as lighted candles, on the stereo power amplifier. You are advised to retain the packing in case you need
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Setting up the stereo power amplifier Connecting the stereo power amplifier Back panel Select right balanced/ Power Select left balanced/ unbalanced input and fuse unbalanced input INPUT SELECTOR INPUT SELECTOR UNBALANCED UNBALANCED ON OFF BALANCED BALANCED UNBALANCED UNBALANCED BRIDGE MODE INPUT BALANCED BALANCED RIGHT LEFT TRIGGER INPUT – – LINK FOR BRIDGED MODE + + OFF ON BRIDGE MODE Right Select bridge Left outputs mode outputs 9
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Outputs Inputs The following table gives details of the output connections: The following two alternative audio inputs are provided: Use this output To connect to this Use this input To connect to this LEFT, RIGHT Loudspeakers of 2Ω to 16Ω , using UNBALANCED A preamplifier, using phono connectors either plug or bare wire connections. and high-quality screened cable. BRIDGE MODE A loudspeaker of 2Ω to 16Ω ; see To BALANCED A balanced analogue output, using wire to a passive loudspeaker in bridge
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Setting up the stereo power amplifier Standby Once set up, the stereo 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 559 can be brought out of standby automatically using the TRIGGER INPUT; see below. If you are not going to use the stereo power amplifier for a period of several days you should switch the unit completely off, at the back panel, and disconnect it fro
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Connecting a source To connect to a stereo preamplifier To connect to each channel of a 568 (eg Meridian 501) Digital Surround Processor 559 Stereo Power Amplifier 559 Stereo Power Amplifier UNBALANCED BALANCED 501 Analogue Controller 568 Digital Surround Processor REAR-L RIGHT C LEFT OUTPUT REAR-R OFF ON 2 x 559 Stereo Power Amplifiers ● Switch the BRIDGE MODE switch to the OFF position. Three 559 Stereo Power Amplifiers can be used in bridge mode ● Connect the sockets marked UNBALANCED on the
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Setting up the stereo power amplifier Connecting speakers To connect to passive loudspeakers To bi-wire to passive loudspeakers 559 Stereo Power Amplifier 559 Stereo Power Amplifier BALANCED OFF OFF ● Set the BRIDGE MODE switch to the OFF position. ● Set the BRIDGE MODE switch to the OFF position. ● Connect one of each pair of the red and black terminals from ● Remove the links bridging the LF and HF terminals on the the appropriate channel of the 559 Stereo Power Amplifier to back of each louds
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To wire to a passive loudspeaker in ● Connect the loudspeaker between the BRIDGE MODE bridged mode terminals. You can bi-wire in bridge mode by using the other pair of BRIDGE MODE terminals to connect separately to the loudspeaker treble unit. 559 Stereo Power Amplifier Input ON You can use the 559 as a mono power amplifier, to obtain more than three times the power output, by wiring it in bridge mode. ● Switch the BRIDGE MODE switch to the ON position. ● Fit the supplied bridge mode link betwee
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Setting up the stereo power amplifier To bi-amp to two passive ● Switch the BRIDGE MODE switch on both amplifiers to the loudspeakers OFF position. ● Connect the left audio output from the preamplifier to both inputs on one amplifier. ● Connect the right audio output from the preamplifier to both inputs on the other amplifier. ● Remove the links bridging the LF and HF terminals on the 559 Stereo Power Amplifier back of each loudspeaker. ● Connect the red and black terminals from the LF and HF un
