Page 4 - Contents; Introduction
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 ........................... 3 Specification and accessor...
Page 7 - The Meridian 500 Series; 00 Series communications
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. The flexibility of the Meridian 500 Series is such that you can assemble a system as simple o...
Page 8 - Sample configuration; 58 Multi Channel Power Amplifier
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. The 568 provide...
Page 9 - Specification; Specification and accessories; Available accessories
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 0.05%. Noise Less than -90dB. Trigger input...
Page 11 - Unpacking; Before connecting power
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 tra...
Page 12 - Back panel; Connecting the multi channel power amplifier
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 MODE INPUT CHANNELS 4/5 INPUT SELECTOR BALANCED UNBALANCED BALANCED UNBALANCED + + – – INPUT SELECTOR BAL...
Page 13 - Outputs
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. The recommended assignment of channels, to make best...
Page 14 - Standby
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 a...
Page 15 - Connecting a source
Setting up the multi channel power amplifier 10 To connect to a 568 Digital SurroundProcessor 558 Multi Channel Power Amplifier 568 Digital Surround Processor RIGHT C REAR-L REAR-R LEFT OFF OFF ● Switch the two BRIDGED MODE switches to the OFF position. ● Connect the LEFT, RIGHT, and CENTRE balanced...
Page 16 - To connect to A500 Loudspeakers; To bi-wire to A500 Loudspeakers; Connecting speakers
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. ● Connect one of each pair of the red and black terminals from the appropriate channel of t...
Page 18 - To bi-amp to two A500 Loudspeakers
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. ● Likewise, co...
Page 20 - Troubleshooting
Troubleshooting 15 Troubleshooting T his chapter provides suggested solutions to typical problems that may occur when setting up or using the multi channel power amplifier. If you are still not able to resolve a difficulty with the help of this guide and the suggestions in the following pages, pleas...
Page 21 - No front panel indicator is shown; The sound has cut out
Troubleshooting 16 Troubleshooting No front panel indicator is shown ❍ Check that your AC power supply is connected c o r r e c t l y . ❍ 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 ...
Page 22 - Cleaning; Maintenance; To clean the audio connections
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. To ...
Page 23 - Service; Service and guarantee
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. In the unlikely event that your multi channel power amplifi...
Page 24 - Index
19 Index Index A Accessories 4 B Balanced inputs 8 Bi-amp connection 13 Bi-wire connection 8, 11 Bridged mode 12 C Cleaning 17 the audio connections 17 the case 17 Components 6 Connecting to a 501/501V Control Unit 10 to a 568 10 to A500 Loudspeakers 11, 12 to an analogue preamplifier 10 to two A500...
