Instruction/ maintenance manual of the product 558 Meridian Audio
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Meridian 558 Multi Channel Power Amplifier user guide.
i Preface Meridian 558 Multi Channel Power Amplifier User Guide.
Preface ii Sales and service in the UK Meridian Audio Ltd Stonehill Stukeley Meadows Cambs PE18 6ED England Tel␣ ␣ (01480) 52144 Fax␣ ␣ (01480) 459934 World Wide Web http://www.
iii Preface Contents Introduction 1 Introduces the 558 Multi Channel Power Amplifier, and provides an overview of the other products available in the Meridian 500 Series. The Meridian 500 Series ........................ 2 Sample configurations .......
Preface iv.
Introduction 1 Intr oduction T he 558 Multi Channel Power Amplifier provides five discrete power amplifiers in a single enclosure, and is ideal for multi-channel surround systems. Two pairs of channels can also be operated in bridge mode, for over twice the power output.
2 Introduction The Meridian 500 Series The Meridian 500 Series is a unique system of digital, analogue, and video components designed to meet the demand for absolute quality, ease of use, and lasting value.
Introduction 3 Sample configuration 558 Multi Channel Power Amplifier The 558 Multi Channel Power Amplifier is ideal for use with the Meridian 561 Digital Surround Controller or the 568 Digital Surround Processor, to drive five analogue loudspeakers in a high-quality surround system.
4 Introduction Specification Input 1.4V RMS. Output (bridged Greater than 200W per channel into 8 Ω . mode off) Greater than 300W per channel into 4 Ω . Output (bridged Greater than 400W into 8 Ω . mode on) Greater than 600W into 4 Ω . Distortion Less than 0.
Setting up the multi channel power amplifier 5 Setting up the multi channel power amplifier T his chapter explains how to install the multi channel power amplifier. It describes what you should find when you unpack the multi channel power amplifier, how you should connect it to your other audio equipment, and the siting constraints.
Setting up the multi channel power amplifier 6 Unpacking The 558 Multi Channel Power Amplifier comes in a box containing the following components: ❍ 558 Multi Channel Power Amplifier. ❍ 1 power cord. ❍ 2 bridged mode links. ❍ This manual. You are advised to retain the packing in case you need to transport the unit.
Setting up the multi channel power amplifier 7 Back panel Connecting the multi channel power amplifier OFF ON TRIGGER INPUT INPUT SELECTOR BALANCED UNBALANCED BALANCED UNBALANCED + + –– BRIDGED MO.
Setting up the multi channel power amplifier 8 Outputs The following table gives details of the output connections: Use this output To connect to this CHANNEL 1 to Loudspeakers of 4 Ω to 15 Ω , using CHANNEL 5 either plug or bare wire connections.
Setting up the multi channel power amplifier 9 Standby Once set up, the multi channel 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 558 can be brought out of standby automatically using the TRIGGER INPUT; see below.
Setting up the multi channel power amplifier 10 To connect to a 568 Digital Surround Processor 558 Multi Channel Power Amplifier 568 Digital Surround Pr ocessor RIGHT C REAR-L REAR-R LEFT OFF OFF ● Switch the two BRIDGED MODE switches to the OFF position.
Setting up the multi channel power amplifier 11 To connect to A500 Loudspeakers 558 Multi Channel Power Amplifier A500 Loudspeaker A500 Loudspeaker OFF OFF ● Set the BRIDGED MODE switches to the OFF position.
Setting up the multi channel power amplifier 12 To wire to A500 Loudspeakers in bridged mode 558 Multi Channel Power Amplifier A500 Loudspeaker A500 Loudspeaker ON ON Input Input You can wire channels 1/2 and 4/5 in bridged output mode, to obtain more than twice the power output.
Setting up the multi channel power amplifier 13 ● If necessary, remove the links bridging the LF and HF terminals on the back of each loudspeaker. ● Connect the red and black terminals from the LF and HF units on the left loudspeaker to the red and black terminals on channels 1 and 2.
Setting up the multi channel power amplifier 14 To connect two 558s to a seven-channel surround system ON OFF 2 x 558 Multi Channel Power Amplifiers ON ON Centre Main left Main right Rear left Rear ri.
Troubleshooting 15 T r oubleshooting T his chapter provides suggested solutions to typical problems that may occur when setting up or using the multi channel power amplifier.
Troubleshooting 16 T r oubleshooting No front panel indicator is shown ❍ Check that your AC power supply is connected correctly. ❍ Check that the ON OFF switch on the back panel is in the ON position. ❍ Check that the unit has been taken out of standby using the front panel button or TRIGGER INPUT.
Troubleshooting 17 Cleaning When cleaning the multi channel power amplifier bear in mind that the front of the unit is brushed aluminium and the case is metal. Disconnect the power cord before cleaning the unit. Note: Do not use abrasive cleaners on any part of the multi channel power amplifier.
Troubleshooting 18 Service The Meridian 500 Series of hi-fi components have been carefully designed to give years of untroubled service. There are no user- serviceable parts inside the case, nor do the units require any form of maintenance.
19 Index Index A Accessorie s 4 B Balanced inputs 8 Bi-amp connectio n 13 Bi-wire connectio n 8 , 11 Bridged mod e 12 C Cleanin g 17 the audio connection s 17 the case 17 Components 6 Connecting to a .
Index 20.
An important point after buying a device Meridian Audio 558 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Meridian Audio 558 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Meridian Audio 558 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Meridian Audio 558 you will learn all the available features of the product, as well as information on its operation. The information that you get Meridian Audio 558 will certainly help you make a decision on the purchase.
If you already are a holder of Meridian Audio 558, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Meridian Audio 558.
However, one of the most important roles played by the user manual is to help in solving problems with Meridian Audio 558. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Meridian Audio 558 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
