Musical Fidelity X-80 Manual de usuario

Issue 4 May 2004X-80 Integrated Amplifier Page 1 of 8X-80 Integrated Amplifier Page 8 of 8

X-80 SPECIFICATIONS

INSTRUCTIONS FOR USE

Thank you for purchasing the Musical Fidelity

X-80 Integrated amplifier.

Used properly and carefully, it should give you many years of

outstanding musical reproduction.

Aesthetically, the X-80 Integrated amplifier is a perfect match for the

X-RAY CD player and X-PLORA FM tuner.

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

Dust regularly with a soft cloth 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.

X-80

DUAL MONO INTEGRATED AMPLIFIER

Output :Voltage RMS :21 Volts 20Hz to 20kHz, one channel loaded

Peak :59 Volts

Power :55 Watts one channel into 8 Ohms (17.4dBW)

85 Watts one channel into 4 Ohms

Peak-to-peak output current :28 Amps

Damping factor :77

Output devices per channel :2

Pre-output impedance :50 Ohms

Line inputs :

Total harmonic distortion + noise :< 0.02% 20Hz to 20kHz

Signal / noise ratio :> 93dB ‘A’-weighted

Input sensitivity for 55Watts, 8 Ohms :175mV

Input impedance :220k Ohms

Overload margin :29dB

Channel separation :> 55dB typical

Frequency response :20Hz to 20kHz, + 0, - 0.4dB

Input facilities :4 pairs line level RCA connectors

Output facilities :2 amplifier channels via 1 pair per channel binding posts.

1 pair RCA audio outputs controlled by the volume,

1 pair RCA tape record fixed line level output.

Power requirement :100 / 115 / 230Volts AC 50 / 60Hz (factory pre-set),

190 Watts maximum into 8 Ohms, 15 Watts idle.

Dimensions :218mm, 8.6 inches wide

98mm, 3.8 inches high (including feet)

339mm, 13.4 inches deep

(including knob and rear terminals)

Weight :6.5 kg, 14.3 lbs unit only, unboxed

8 kg, 17.7 lbs in shipping carton

Standard accessories :IEC type mains lead (10-Amp), remote control,

2 batteries size LR03 or AAA, manganese alkaline type

Musical Fidelity reserves the right to make improvements which may result in specification

or feature changes without notice.

Issue 4 May 2004X-80 Integrated Amplifier Page 7 of 8X-80 Integrated Amplifier Page 2 of 8

IMPORTANT!(U.K. only)

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 this 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 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

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.

BEFORE SWITCHING ON

Plug the accessory IEC mains lead into the

rear panel socket, then the other end into a

wall outlet.

Turn the volume control on the front panel

to minimum (anticlockwise).

STARTING. . . .

Press the POWERbutton on the X-80

amplifier - the blue power LED on the

front panel will light indicating that the

unit is ready for use. However, for about

six seconds no sound will be heard from

your speakers, and the red mute LED will

be lit, confirming initial mute action.

Select the required audio input source by

pressing the <or >function button on the

front panel one or more times.

Alternatively, direct access can be obtained

by pressing buttons 1, 2, 3 or 4 on the

remote control. In either case, a correspon-

ding blue indicator LED on the front panel

will light to confirm your choice.

Now adjust the volume control to obtain

the preferred sound level.

TAPE RECORDING

To record, simply select the required

source with the up or down input selector

button on the front panel, or directly from

the remote control. This source will now

be routed to the X-80’s TAPE RECORD

output for recording by the external tape

deck.

You will still also be able to hear the

selected source through the loudspeakers.

Note - adjustment of the volume control

has no effect on the recording level.

SAFETY INFORMATIONOPERATION

Issue 4 May 2004

X-80 Integrated Amplifier Page 6 of 8X-80 Integrated Amplifier Page 3 of 8

INSTALLATION PRECAUTIONS and USER INFORMATION

Your new X-80 Integrated amplifier is designed and built to provide trouble-free performance,

but as with all electronic devices it is necessary to observe a few precautions:

Heed all warnings shown on the back of the product.

Only connect the X-80 Integrated amplifier to a mains outlet having the same voltage as marked

at the back of the 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, flower

vases 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 heat sources such as radiators, direct sunlight or other equipment.

The case of this amplifier can run at high temperatures - operate the unit in a well ventilated

area, and do not touch the cabinet sides or top after periods of use at high output power.

Do not remove covers or try to gain access to the inside. There are no internal user adjustments.

Refer all service work to an authorised Musical Fidelity agent.

NOTE: Unauthorised opening of the equipment will invalidate any warranty claims.

There are fuses inside the X-80 amplifier. In the unlikely event that one blows, refer the unit to

your audio dealer. Do NOT try to replace the fuses yourself as this will invalidate the warranty.

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 X-80 Integrated amplifier please

quote the 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.

All input, output and power connections

should be made with the mains power

switched OFF.

INPUTCONNECTIONS

The X-80 has four pairs of “line level”

inputs controlled by the internal volume

setting. They all have the same input

sensitivity, and are therefore suitable for

use with any source component having an

output of at least 300mV. The four left

and right socket pairs on the rear panel

are marked INPUT 1, 2, 3and 4, corre-

sponding with the blue function indicator

LEDs on the front panel.

Connect the left and right outputs from

your audio components to each of the

four sets of RCA sockets to suit your

own order of preference.

Connect the X-80’s TAPE RECord out-

put sockets to the line input sockets of

the your tape deck.

CONNECTIONSGENERAL ADVICE

OUTPUT CONNECTIONS

Connect your loudspeakers to the pairs of

terminals on the back panel marked as

LEFTand RIGHTSPEAKERoutputs.

Note: the combined load impedance

must not be less than 4 ohms.

PRE-AMPLIFIER OUTPUT

The X-80 amplifier has its pre-amplifier

output available from RCA sockets on

the back panel marked PRE-OUT, and is

controlled by the volume adjustment.

This is to allow “bi-amplification” using

suitable external amplifiers and crossover

networks to power the speaker drive

components separately, giving noticeable

improvement in clarity, imaging and bass

weight.

In this arrangement, typically the X-80’s

speaker outputs are used to drive the

speaker’s “tweeter” (high audio frequen-

cies), and an external stereo amplifier

drives the “woofer” (low frequencies).

The X-80’s PRE OUTRCA sockets

would therefore be connected to the input

of the external “woofer” amplifier in this

example.

If you are in doubt about bi-amplifica-

tion, please contact your dealer for

advice.

Issue 4 May 2004

X-80 Integrated Amplifier Page 4 of 8X-80 Integrated Amplifier Page 5 of 8

REMOTE CONTROL

Buttons on the remote control with blue-grey surround enable main functions of the ampli

fier to be operated from a convenient distance. Remaining buttons on this universal hand

set are for use with other Musical Fidelity products, and have no effect on the X-80

Integrated amplifier.

As the remote control uses an invisible infra-red light beam, the transmitter must be pointed

directly towards the receiver window on the front of the amplifier, without visual obstruc

tion between them.

Pressing button numbers 1, 2, 3 or 4 selects a corresponding amplifier input.

Pressing the MUTE

button mutes the SPEAKER output and PRE-OUT sockets, but has no

effect on the TAPE OUT sockets for recording. To show that the amplifier is muted, the

red LED on the front panel lights. Press the MUTE

button again to cancel mute function,

and the red LED will go out.

Pressing the volume-up or -down buttons on the remote handset will advance the motorised

volume control in the required direction. This action also cancels the mute function.

If the range of the remote control greatly decreases, replace the batteries with new ones.

Do not mix old and new batteries - two are required, size LR03 or AAA, manganese alka

line type. Do not dispose of used batteries in a fire.

CONNECTIONS & FACILITIESREMOTE CONTROL

Front panel layout

1POWER-on indicator LED (blue)

2POWER on/off switch

3Audio MUTE indicator LED (red)

4Volume control

5Infra Red Receiver for

remote control

6Input select button - up

7Input indicator LEDs (blue)

8Input select button - down

Back panel layout

9Line level INPUT sockets, 1 to 4

10TAPE RECord output sockets

11PRE-amplifier OUTput sockets

12IEC mains power inlet

13RIGHT SPEAKER OUTPUT

terminals

14LEFT SPEAKER OUTPUT terminals

INPUT 1 INPUT 2 INPUT 3 INPUT 4 TAPE REC PRE OUT

X-80

IMPORTANT

50/60Hz

RIGHT SPEAKER OUTPUT

LEFT SPEAKER OUTPUT

DESIGNED IN ENGLAND BY MUSICAL FIDELITY

BUILT IN TAIWAN

POWER

CONSUMPTION

190 W

CAUTION

MOUNT UNIT

ON SOLID SURFACE.

DO NOT REMOVE

SCREWS OR COVERS

UNDER ANY

CIRCUMSTANCES.

NO USER SERVICEABLE

COMPONENTS INSIDE.

REFER SERVICING TO

QUALIFIED ENGINEER.

SEE OWNERS MANUAL

FOR FURTHER INFORMATION.

STEREO INTEGRATED AMPLIFIER

SERIAL

NUMBER

1234 5 6 7 8

9Input selection buttons,

1to 4

(Note -

input number 1 does

nothave PHONO

function on model

X-80)

VOLUME (UP)

VOLUME (DOWN)

1314

10 1112

Audio MUTEbutton

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