Musical Fidelity KW-750 Owners manual

XX

kW 750 Power

DUAL MONO POWER AMPLIFIER

INSTRUCTIONS FOR USE

Thank you for purchasing the Musical Fidelity kW 750 amplifier.

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

reproduction.

Aesthetically, the kW

kW Hybrid Line Pre-amplifier and kW Phono Pre-amplifier.

Together they form one of the finest hi-fi systems available.

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 you have any questions about your audio system,

please consult your dealer who is there to help and advise.

750 Power amplifier is a perfect match for the

Issue 1 : February 2005

kW 750 Power Amplifier Instructions for use Page 1 of 9

SAFETY INFORMATION

IMPORTANT!

This unit is supplied in the U.K. with a mains lead fitted with a moulded 13 amp plug. If, for any
reason, you need to cut off the plug, please remove the fuse holder and dispose of the plug safely,
out of reach of children.

The wires in the mains lead supplied with this appliance are coloured in accordance with the
following code:

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 your 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:

(U.K. only)

It must not be plugged into a mains outlet.

Green and yellow..............Earth

Blue................................Neutral

Brown.................................Live

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:

The kW 750 is a powerful amplifier and must necessarily supply high voltages through
the loudspeaker terminals. Therefore, to avoid any possibility of an electric shock
DO NOT TOUCH THE SPEAKER TERMINALS when the unit is being used.
To comply with BSEN60065 safety regulations, the 4mm “banana” plug holes have
been fitted with plastic blanking pieces. Removal of these will invalidate any electrical
safety approval of this product.

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 1 : February 2005

kW 750 Power Amplifier Instructions for use Page 2 of 9

GENERAL ADVICE

INSTALLATION PRECAUTIONS and USER INFORMATION

Your new kW
all electronic devices it is necessary to observe a few precautions:

Heed all warnings shown on the back of the product.

Only connect the kW
unit.

Always ensure that when disconnecting and reconnecting your 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 amplifier, 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 your dealer, who should then check the unit before further use. Entry of
liquid into the amplifier 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 internal adjustments or
fuses you can replace yourself. Refer all service work including replacement of externally
accessible fuses 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 your audio system during electrical storms, remove the
mains plugs and disconnect any aerial lead.

If after-sales service is required, to help your dealer identify the kW
serial number located on the rear panel of the unit.

RADIO FREQUENCY INTERFERENCE (R.F.I)

This product has been tested to ensure that its operation is not adversely affected by normal
background levels of R.F.I., and that it does not itself generate excessive amounts of interference.
However, if a problem persists, please contact your Musical Fidelity agent.

750 amplifier is designed and built to provide trouble-free performance, but as with

750 to a mains outlet having the same voltage as marked at the back of the

750 amplifier please quote the

Issue 1 : February 2005

kW 750 Power Amplifier Instructions for use Page 3 of 9