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Instructions for use 

Thank you for purchasing the Musical Fidelity M8 500S fully balanced dual mono power amplifier. 

The M8 500S is designed to be partnered with present and future M8 series products. It is, in fact, based on the 
Titan design. It features a pair of twin high-current power amplifier sections connected in bridged mono 
configuration for the absolute best in dynamics and drive capabilities. Two generous over specified power 
supplies also ensure unsurpassed supply noise filtering, transient handling and massive power reserve possible 
in a single box power amplifier. 

 Phase splitting between the two internal amplifiers is achieved using a high performance fully balanced 
converter circuit with wide flat frequency response uniform in-band characteristics and immeasurably low 
distortion and noise.  

Fully balanced as well as single ended inputs are catered for along with loop outputs for both types, to enable 
bi-amping etc. Trigger input/output allows the unit to be controlled/controller for switch on/off function.   

This combination yields one of the best high-fidelity power amplifiers available at any price.  

Used properly and carefully, it should give many years of outstanding musical reproduction. 

Dust regularly with a soft duster or soft brush, but be careful when using cleaning or polishing agents - they may 
harm the surface finish. 

If there are any questions about the product or related, please consult the dealer who is there to help and 
advice.  

 

Summary of Contents for M8 500S

Page 1: ... is achieved using a high performance fully balanced converter circuit with wide flat frequency response uniform in band characteristics and immeasurably low distortion and noise Fully balanced as well as single ended inputs are catered for along with loop outputs for both types to enable bi amping etc Trigger input output allows the unit to be controlled controller for switch on off function This...

Page 2: ...al information EU disposal information 5 Installation Introduction cleaning installation power connections audio connections 6 Facilities and connections Illustrations main unit front rear panels 7 Operation Single ended RCA inputs Balanced XLR inputs Speaker Bi wiring Starting 8 9 10 Problems Basic fault finding 11 Specifications 12 Manual history 13 ...

Page 3: ...ce may not correspond with the coloured markings identifying the terminals in the plug proceed as follows The wire which is coloured green and yellow must be connected to the terminal in the plug which is marked with the letter E or coloured green or green and yellow or by the earth symbol The wire which is coloured brown must be connected to the terminal which is marked with the letter L or colou...

Page 4: ... on them Do not use near water or place water filled containers on the M8 500S for example a flower vase or potted plants If water does spill inside immediately pull out the mains plug from the wall socket and inform the dealer who should then check the unit before further use Entry of liquid into the M8 500S is dangerous and may cause electric shock or fire hazard Do not place the unit near direc...

Page 5: ...ACHGERECHTE ENTSORGUNG Das auf der Geräterückseite angebrachte Label deutet darauf hin dass das Produkt nicht mit konventionellem Hauskehricht entsorgt werden darf Um Schäden und Verschmutzungen an Umwelt und Mensch zu vermeiden muss das Produkt fachgerecht entsorgt und von anderem Abfall getrennt werden Wenden Sie sich bei Fragen hierzu an Ihren Fachhändler oder an eine öffentliche Informationsst...

Page 6: ...d IEC mains cable which plugs into the IEC socket at the back of the unit see page 7 Audio Connections XLR Inputs Connect any XLR balanced source to balanced analogue inputs see page 7 for more information Use good quality fully connected signals and ground balanced XLR cables for all XLR signal connections The balanced input and outputs sockets are fully balanced i e there is signal on both hot a...

Page 7: ...socket 9 RIGHT BALANCED XLR female input 10 RIGHT RCA BALANCED Selector 11 RIGHT BALANCED XLR male loop output 12 RIGHT RCA loop output socket 13 IEC MAINS INPUT 14 LEFT RCA loop output socket 15 LEFT BALANCED XLR male loop output 16 LEFT RCA BALANCED Selector 17 LEFT BALANCED XLR female input 18 LEFT RCA input socket Pin functions 1 Ground cable shield 2 Signal normal polarity or hot XLR Balanced...

Page 8: ...ernally connected together and the two BLACK speaker terminals are also internally connected together The diagram above shows the speakers connected to the outer output posts It is therefore also perfectly acceptable to use the inner output posts as they are exactly the same connections internally IMPORTANT BALANCED RCA switch The BALANCED RCA switches see page 7 are included to minimise noise whe...

Page 9: ...the INPUT XLR sockets see page 7 Make sure the BALANCED RCA switches are set for BALANCED down BALANCED RCA switches set to BALANCED DOWN LEFT Speaker RIGHT Speaker LEFT XLR output Balanced pre amplifier RIGHT XLR output Rear view RCA leads connection diagram Trigger and mains leads omitted for clarity ...

Page 10: ...nder the speaker s terminals as gold plates bars connecting the terminals up in pairs Please consult speaker manuals user support for more details Rear view bi wiring speaker leads connection diagram LEFT Speaker HF HF LF LF RIGHT Speaker HF HF LF LF Preamp trigger and mains leads omitted for clarity Starting Once all connections are made switch on the unit using the POWER button front of the unit...

Page 11: ...when bi wiring or bi amping that speaker bass and treble linking straps are removed see speaker manual for more information Sound is not precise lacking in bass and stereo image Speakers are connected out of phase i e connections to one speaker and are reversed Ensure speakers are connected with same polarity at amplifier and speaker ends Hum Audio connector plug not fully pushed in Cable Fault Un...

Page 12: ...pair line level RCA connector loop output Speaker outputs 2 sets of 2 pairs 4mm banana plug binding posts Trigger input 3 5mm mono jack 4 5 to 15V DC Trigger output 3 5mm mono jack 12V DC Power requirement Mains voltages 115 230VAC 50 60Hz factory pre set 100VAC 50 60Hz alternative Consumption 0 25 Watts standby Orange LED lit 150 Watts on idle Blue LED lit no signal output 2000 Watts maximum Blue...

Page 13: ...Issue 1 Page 13 of 13 MANUAL HISTORY RELEASE DATE CHANGES Issue 1 30th October 2013 1st issue ...

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