Musical Fidelity M8 700M User Manual
Instructions for use
Thank you for purchasing the Musical Fidelity M8 700m fully balanced “monobloc” power amplifier.
The M8 700m is designed to be partnered with present and future M8 series products. It is, in fact, based on the
Titan design. It features twin high-current power amplifier sections connected in bridged mono configuration for
the absolute best in dynamics and drive capabilities. Two paralleled and generously 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 with loop outputs for both types, for 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.
CONTENTS
Section Page
Safety Information
General advice
Disposal information
Installation
Facilities and connections
Operation
Problems?
Specifications
Manual history
– Mains plug (UK only)
– Modification warning
– Installation precautions 4
– EU disposal information 5
– Introduction, cleaning, installation, power connections, audio
connections
– Illustrations, main unit front & rear panels 7
– Single ended (RCA) input
– Balanced (XLR) input
– Speaker Bi-wiring
– Starting
– Basic fault finding 11
12
13
10
3
6
8
9
Issue 2 Page 2 of 13
SAFETY INFORMATION
IMPORTANT! (U.K. only)
This unit is supplied in the U.K. with mains lead fitted with a moulded 13 amp plug. If, for any reason, it is
necessary to remove the plug, please remove the fuse holder and dispose of the plug safely, out of reach of
children.
It must not be plugged into a mains outlet.
The wires in the mains lead supplied with this appliance are coloured in accordance with the following code:
Green and yellow .............................Earth
Blue................................................ Neutral
Brown ..................................................Live
WARNING – This appliance MUST be earthed
As the colours of the wires of the mains lead of this appliance 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
coloured red.
• The wire which is coloured blue must be connected to the terminal which is marked with the letter N or
coloured black.
• If connecting to a BS1363 plug, a 13 amp fuse must be used.
WARNING:
ANY MODIFICATIONS TO THIS PRODUCT NOT EXPRESSLY
APPROVED BY MUSICAL FIDELITY WHO IS THE PARTY RESPONSIBLE
FOR STANDARDS COMPLIANCE COULD VOID THE USER'S
AUTHORITY TO OPERATE THIS EQUIPMENT.
Issue 2 Page 3 of 13
GENERAL ADVICE
Installation, Precautions & User Information
This new M8 700m is designed and built to provide trouble-free performance, but as with all electronic devices it
is necessary to observe a few precautions:
This unit features a BRIDGED speaker output and should NOT be grounded on either speaker output
terminal as both red and black speaker terminals are effectively “hot”, i.e. carry signal. Please check if using
any active “sub”, electrostatic, or other non standard potentially grounded speaker types directly connected
to the speaker outputs of the M8 700m. Consult speaker manual or supplier if in doubt.
Heed all warnings shown on the back of the product.
Only connect the M8 700m to a mains outlet having the same voltage as marked at the back of the unit.
Always ensure that when disconnecting and reconnecting audio equipment the mains supply is switched off.
Position the mains lead and signal interconnects where they are not likely to be walked on or trapped by
items placed on them.
Do not use near water, or place water-filled containers on the M8 700m, 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 700m is
dangerous, and may cause electric shock or fire hazard.
Do not place the unit near direct heat sources such as radiators, direct sunlight or other equipment.
Do not remove any covers or try to gain access to the inside. There are no end-user changeable internal
adjustments or components. Refer all service work to an authorised Musical Fidelity agent.
* Note: Unauthorised opening of the equipment will invalidate any warranty claim.
Dust regularly with a soft cloth or soft brush but be careful when using cleaning or polishing agents - they
may harm the surface finish.
The electronics in modern hi-fi equipment is complex and may, therefore, be adversely affected or damaged
by lightning. For protection of the audio system during electrical storms, remove the mains plugs.
If after-sales service is required, to help the dealer identify the M8 700m please quote the serial number located
on the rear panel of the unit.
Issue 2 Page 4 of 13
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