CD Pre24
COMBINATION CD PLAYER AND
DIGITAL / ANALOGUE PRE-AMPLIFIER
PLAY/PAUSE
NEXT
LINE
1
LINE
2
LINE
3
PREVIO US
STO P
DIG ITAL 1
DIG ITAL 2
CD
LANGUAGE
O PEN/CLO SE
DIG ITAL
MONITO R
TAPE
MONITO R
POWER
INSTRUCTIONS FOR USE
Thank you for purchasing the Musical Fidelity CD Pre24.
Used properly and carefully, it should give many years of outstanding
musical reproduction.
The CD Pre24 uses the latest 24 Bit DAC technology and jitter reduction
techniques to achieve both an excellent technical specification and
unparalleled sound quality.
Æsthetically, the CD Pre24 is a perfect match for the
A3.2 FM tuner and A3.2 amplifier.
Together these components 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.
Issue 4: May 2002
CD Pre24
Instructions for Use. Page 1 of 19
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SAFETY INFORMATION
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 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 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:
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 4: May 2002
CD Pre24
Instructions for Use. Page 3 of 19
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WARNINGS
CLASS 1 LASER PRODUCT
This CD player has been designed and manufactured according to FDA regulations "title 21,
CFR, chapter 1, subchapter J, based on the Radiation Control for Health and Safety Act of
1968", and is classified as a Class 1 laser product. There is no hazardous radiation during nor-
mal use because invisible radiation emitted inside this product is completely confined within
the protective housing. However you must observe the following important warnings:
CAUTION !
•
•
•
THIS CD PLAYER USES INVISIBLE LASER LIGHT. WHEN THE PLAYER
OPERATES, LASER LIGHT IS RADIATED INTERNALLY.
DO NOT REMOVE THE PROTECTIVE HOUSINGS.
USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES
OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS
RADIATION EXPOSURE CAUSING EYE INJURY.
IF THIS PRODUCT DEVELOPS A FAULT, PLEASE CONTACT YOUR AUTHORISED
MUSICAL FIDELITY SERVICE AGENT. DO NOT ATTEMPT TO SERVICE IT YOUR-
SELF AND DO NOT CONTINUE TO USE THIS PRODUCT IN A FAULTY STATE.
WARNING AND INFORMATION LABELS:
THIS PRODUCT COMPLIES WITH DHHS RULES 21 CFR,
CHAPTER 1, SUBCHAPTER J, PART 1040 AT DATE OF MANUFACTURE.
THIS PRODUCT COMPLIES WITH PART 15 OF THE FCC RULES.
OPERATION IS SUBJECT TO TWO CONDITIONS:
1
2
THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND
THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING
INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.
2
4
MUSICAL FIDELITY CD PRE
MANUFACTURED BY MUSICAL FIDELITY LTD. 15-17 O LYMPIC TRADING ESTATE, FULTON ROAD,
WEMBLEY, MIDDLESEX, HA9 OTF, ENGLAND
ANALOGUE
INPUTS
DIG ITAL INPUTS
COAXIAL
DIG ITAL INPUTS
O PTICAL
DIG ITAL
OUTPUTS
THIS PRODUCT C O M PLIES WITH DHHS RULES 21C FR, CHAPTER 1, SUBCHAPTER J, PART 1040 AT DATE OF MANUFACTURE.
THIS PRODUCT C O M PLIES WITH PART 15 THE FFC RULES. OPERATIO N IS SUBJECT TO TWO CONDITIONS:
THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND
THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED
O
F
-
TAPE
MONITO R
DIG ITAL
MONITO R
1
2
O
PERATIO N.
LINE1
LINE
2
LINE
3
TAPE OUT
PRE OUT
1
2
COAXIAL O PTICAL
CAUTION
MOUNT UNIT ON SOLID SURFACE. DO NOT REMOVE SCREWS
O
R
COVERS UNDER ANY CIRCUMSTANCES. NO USER SERVICEABLE
C O M PO N ENTS INSIDE. REFER SERVICING TO QUALIFIED ENGINEER.
SEE OWNERS MANUAL FO
R
FURTHER INFO RMATION.
POWER C O M SUMPTION 22W
SERIAL
NUMBER:
THIS APPLIANCE
MUST
CLASS 1
BE EARTHED
DATE O F
MANUFACTURE
LASER PRO DUCT
CAUTION -
INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM.
VORSICHT! -
UNSICHTBARE LASERSTRAHLUNG TRITT AUS,
WENN DECKEL GEÖFFNET UND WENN
SICHERHEITSVERRIEGELUNG ÜBERBRÜCKT IST
NICHT DEM STRAHL AUSSETZEN!
VARNING -
ADVARSEL -
VAROITUS! -
SYNLIG LASERSTRALNING NÄR DENNA DEL
ÄR ÖPPNAD OCH SPÄRR AR URKOPPLAD.
STRALEN AR FARLIG.
USYNLIG LASERSTRALING VED ABNING, NAR
SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION.
UNDGA UDSÆTTELSE FOR STRALING.
FITTED INTERNALLY
TO BASE OF CHASSIS
SUOJAKOTELOA EI SAA AVATA. LAITE SISÄLTÄÄ
LASERDIODIN, JOKA LÄHETTÄÄ (NÄKYMÄTONTÄ)
SILMILLE VAARALLISTA LASERSÄTEILYÄ.
Issue 4: May 2002
CD Pre24
Instructions for Use. Page 4 of 19
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USER INFORMATION
RADIO - FREQUENCY INTERFERENCE (RFI)
This equipment uses and can radiate radio frequency energy, and if not installed and operated in
accordance with the instructions, may cause interference to radio communications and other
electronic equipment.
However, it is designed to minimise RFI, and accordingly been tested to North American stan-
dards (FCC regulations - limits for a class B digital device persuant to part 15 of the rules).
These requirements are intended to provide reasonable protection against excessive interference
in a residential installation.
Conversely, the product has also been checked to ensure that its own operation is not adversely
affected by normal background levels of RFI received externally.
However, if interference is experienced, for instance to radio or TV broadcasts, the user is rec-
ommended to try one or more of the following measures:
• Identify the source of interference by turning off power to the CD Pre or other
equipment individually, and checking whether the problem then disappears.
• Re-orientate or relocate the receiving aerial.
• Move the CD Pre24 away from the receiver.
• Connect the CD Pre24 to a mains outlet on a different circuit from the receiver.
• Consult a dealer or experienced TV/radio technician for help.
If a problem persists, please contact Musical Fidelity's service department.
Issue 4: May 2002
CD Pre24
Instructions for Use. Page 5 of 19
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GENERAL ADVICE
INSTALLATION PRECAUTIONS AND USER INFORMATION
Your CD Pre24 is designed and built to provide trouble-free performance, but as with all
electronic devices it is necessary to observe a few precautions:
* Note all warnings shown on the back of the unit.
* Only connect the CD Pre24 to a mains outlet having the same voltage as marked on the back
of
the unit.
* Always switch off the mains supply before before connecting or disconnecting your audio
equipment.
* 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 pre-amplifier, for example
flower vases or potted plants. If water does spill into the equipment, 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 pre-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 above other
equipment which becomes warm with use. Do not obstruct ventilation slots.
* Do not remove any covers or try to gain access - refer all service work to an authorised
Musical Fidelity agent. There are no internal user adjustments.
NOTE: Unauthorised opening of the equipment will invalidate any warranty claims.
* There are fuses inside this product. In the unlikely event that one blows, refer the unit to
your audio dealer.
Do NOT try to replace the fuse yourself as this will invalidate the warranty.
* Dust regularly with a soft duster or soft brush. For more thorough cleaning of the cabinet and
remote control, use a moist cloth. We do not recommend the use of solvents such as white
spirit or thinners, as they could damage 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 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 CD Pre24, please quote the
serial number located on the rear panel of the unit.
Issue 4: May 2002
CD Pre24
Instructions for Use. Page 6 of 19
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REMOTE CONTROL
REMOTE CONTROL
The remote control enables most functions of the CD pre-amplifier to be operated from a con-
venient distance.
Equivalent buttons on the remote handset have the same functions as the those on the front
panel of the unit.
Some operations are only available via the handset.
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 pre-amplifier, without visual obstruc-
tion between them.
If the range of the remote control greatly decreases, replace the batteries with new ones.
Do not mix old and new batteries - four are required, type SUM-4, AAA or LR03.
PLAY / PAUSE
OPEN / CLOSE CD tray
to start, pause or
resume CD playback.
CD direct track access buttons.
CD special feature buttons
SEARCH buttons to scan
CD forwards or backwards
- see pages 13 to 15.
TRACK back/forwards buttons
STOP to stop CD playback.
Input source selector buttons
MUTE button
VOLUME up / down
MONITOR buttons
- see page 10
Issue 4: May 2002
CD Pre24
Instructions for Use. Page 7 of 19
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FACILITIES AND CONNECTIONS
FRONT PANEL
4
5
NEXT CD track button
Display (incorporates infra-red
remote control receiver)
1
2
3
LINE 1 input selector button and LED
LINE 2 input selector button and LED
LINE 3 input selector button and LED
6
CD PLAY / PAUSE button
1
2
3
4
5
6
PLAY/PAUSE
NEXT
LINE 1
LINE 2
LINE 3
PREVIOUS
STO P
DIG ITAL 1
DIG ITAL 2
CD
LANGUAGE
O PEN/CLO SE
DIG ITAL
MONITO R
TAPE
MONITO R
POWER
24
MUSICAL FIDELITY
7
9
11
13
14
15
16
17
18
8
10
12
7
8
9
DIGITAL 1 input selector button and LED
Digital monitor LED (see page 10)
DIGITAL 2 input selector button and LED
13 CD LANGUAGE button (see page 17)
14 PREVIOUS CD track button
15 CD drawer
10 POWER mains on/off switch
11 Tape monitor LED (see page10)
12 CD input selector button and LED
16 CD drawer OPEN / CLOSE button
17 CD STOP button
18 Volume control knob with LED
REAR PANEL
19 LINE INPUT 1 - analogue
- left and right
20 LINE INPUT 2 - analogue
- left and right
21 LINE INPUT 3 - analogue
- left and right
23
TAPE OUTPUT - analogue
- left and right (see page 10)
LINE OUTPUT - analogue
left and right (to amplifier)
INPUT 1 - digital co-axial
INPUT 2 - digital co-axial
27 INPUT 1 - optical
28 INPUT 2 - optical
29 DIGITAL MONITOR
- digital co-axial
30 LINE OUTPUT
- digital co-axial
24
25
26
22 TAPE MONITOR
- analogue, left and right
31 LINE OUTPUT
- optical
19 20 21 22 23 24 25 26 27 28 29 30 31
2
4
MUSICAL FIDELITY CD PRE
MANUFACTURED BY MUSICAL FIDELITY LTD. 15-17 O LYMPIC TRADING ESTATE, FULTON ROAD,
WEMBLEY, MIDDLESEX, HA9 OTF, ENGLAND
ANALOGUE
INPUTS
DIG ITAL INPUTS
COAXIAL
DIG ITAL INPUTS
O PTICAL
DIG ITAL
OUTPUTS
TAPE
DIG ITAL
MONITO R
MONITO R
LINE1
LINE
2
LINE
3
TAPE OUT
PRE OUT
1
2
COAXIAL O PTICAL
IEC type mains inlet socket
Instructions for Use. Page 8 of 19
Issue 4: May 2002
CD Pre24
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CONNECTIONS & PRE-AMPLIFIER OPERATION
BEFORE CONNECTING . . . . . . .
The internal D-to-A convertor will also han-
dle digital data from an external CD or
DVD audio source.
Ensure that mains power to the various
components of your audio system is
switched off. Please note that audio con-
necting leads are not supplied with this
product.
MAINS POWER CONNECTION
Insert the accessory IEC mains lead plug
into the rear panel socket, and then the other
end into a convenient wall outlet.
OUTPUT CONNECTION
The CD Pre24 should be connected to an
analogue amplifier input by audio cables
with RCA/phono type plugs. These link the
left and right PRE OUT sockets on the rear
panel of the CD Pre to corresponding line
input sockets on the amplifier. Do not use
any sockets on the amplifier intended for
“vinyl” phono cartridge input, as the sensi-
tive circuit will overload, producing a
severely distorted sound.
SWITCHING ON
Before applying mains power to other audio
components, check that the volume control
setting on the CD Pre24 is low (knob turned
anticlockwise).
Press the power switch, and the front panel
display will light to confirm that the unit is
ready for use.
Alternatively, the DIGITAL OUTPUTS
(coaxial or optical) can be used for connec-
tion to suitable digital equipment.
INPUT SOURCE SELECTION
All three types of output can be used for
feeding different equipment at the same
time, if required.
Choose the required input source either by
pressing the front panel function buttons or
corresponding buttons on the remote control
marked LINE 1, 2 or 3, or DIGITAL 1 or 2.
Note that the volume control only affects
analogue audio line output to the amplifier,
not digital or tape outputs.
The appropriate front panel LED will then
light to confirm your selection.
In the case of digital inputs, if no digital
data is being received at the selected input
socket, the associated LED will flash instead
of remaining constant.
INPUT CONNECTION
Analogue inputs are provided for three ana-
logue line sources, and two digital (optical
or co-axial).
Turn the volume control to obtain the pre-
ferred level of sound.
Do not connect both co-axial and optical
leads to the same input.
Connect digital or optical input leads from
the other audio sources in your system as
required.
CD Pre24
Instructions for Use. Page 9 of 19
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PRE-AMPLIFIER OPERATION
MUTE (Remote Control Only)
TAPE MONITOR (Remote Control Only)
The CD Pre24 can be used in analogue mode
for off-tape monitoring from 3-head tape
decks.
Pressing the MUTE button once on the
remote control will interrupt analogue out-
put to the amplifier. Pressing MUTE again
will restore audio output. The LED in the
volume control knob then goes off to indi-
cate that the outputs are muted.
This allows the user to compare the original
sound with the recorded version while the
recording is being made.
This function does not affect tape monitor
or digital outputs.
In this case, the recorder’s left- and right-
hand line output sockets should be connect-
ed to the CD Pre’s tape input, and the
recorder’s line input sockets to the CD Pre’s
tape output sockets.
If the CD Pre24 is powered off while still
muted, the effect will be cancelled when
next switched on.
To record, simply select the required source
with the appropriate button on the CD Pre’s
front panel or from the remote control.
Pressing TAPE MONITOR on the remote
control will allow you to monitor what is
being recorded, and the matching blue LED
on the front panel will light to confirm oper-
ation. Press TAPE MONITOR again to
cancel this mode.
DIGITAL MONITORING
(Remote Control Only)
Any selected input source can be monitored
with suitable external equipment from the
digital co-axial and/or optical output sock-
ets.
A digital input source (co-axial only) can be
monitored by pressing DIGITAL MONI-
TOR on the remote control. This does not
affect the selected input source, which will
still be available from the tape or digital
outputs.
On some 3-head tape decks, there is an addi-
tional “tape / source” switch which should
be in the “tape” position for this arrange-
ment to function. If in doubt, refer to the
recorder’s user manual, or consult your
dealer.
This feature may be used together with a
digital output to connect to a computer
sound card or CD recorder, providing it has
digital inputs and outputs.
If the selected input source is digital (CD or
DVD audio formats only) a converted ana-
logue signal will also be available at the
tape output sockets.
Note that with this arrangement the CD
Pre’s volume control has no effect.
CD Pre24
Instructions for Use. Page 10 of 19
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CD - BASIC OPERATION
LOADING AND PLAYING
COMPACT DISCS
DISC PLAY
If PLAY/PAUSE is pressed, the CD player
will go into play mode, an arrow confirm-
ing playback will appear on the left, and
the current track and index point will be
displayed similar to the following example:
If mains power to the CD Pre24 is switched
on with a disc already loaded, it will auto-
matically search for the disc and begin
playing from the first track. However,
playback will not be audible if the input
has previously been set to another source
before being switched off. The CD button
must therefore be pressed first.
If no disc is loaded, after about 3 or 4 sec-
onds the unit will display the following:
Again, the calendar grid shows playback
progress of the first 20 tracks only.
When all tracks on the CD have been
played, playback stops and the display
reverts to:
To play a disc, press the OPEN/CLOSE
button to open the transport drawer.
When the drawer is fully extended, insert
the required disc with the label facing
upwards and then press either the
OPEN/CLOSE or PLAY/PAUSE button
to close the transport drawer again.
PAUSE
Pressing the PLAY/PAUSE button whilst a
disc is playing pauses playback of the disc.
A pause symbol ( ll ) appears in the dis-
play window next to the play arrow.
The disc will continue spinning but the
track does not advance and the CD Pre’s
output is muted.
If OPEN/CLOSE is pressed, the disc
drawer closes and the CD player scans the
contents of the disc. After a short delay,
the display window then shows for approx-
imately 4 seconds the total number of
tracks available on the CD, and total play-
ing time, for example:
Pressing PLAY/PAUSE again resumes
playback from the same place.
INDEX POINTS
Display time 0 on the left then replaces
the temporary track and time information,
indicating that a disc is loaded but not yet
playing.
Some CDs contain index points within a
track to separate a musical piece into dif-
ferent movements. If used, these index
point numbers (one or two digits, up to 99)
will appear in the display under the
graphic. Otherwise, index number 1 will
be displayed.
INDEX
The “calendar” grid pattern at the right-
hand end of the display also confirms
tracks available for playing up to the first
20, but remains displayed. In the above
example there are 4 tracks on the disc.
Issue 4: May 2002
CD Pre24
Instructions for Use. Page 11 of 19
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CD - BASIC OPERATION
STOP
track time remaining display (far right dig-
its) will be seen to advance rapidly in the
required direction. For both directions the
unit will return to normal playback when
the button is released.
Playback can be stopped at any time by
pressing the STOP button once.
TRACK SELECTION
To change track, the track skip buttons
NEXT and PREVIOUS can be pressed
to jump forwards or backwards one track
in either direction. Note that a single press
of the PREVIOUS button restarts play-
back at the beginning of the current track.
A double-press is needed to jump back to
the previous track. Corresponding
TRACK buttons on the remote control are
also marked |<< and >>|. If either button
is held down, the CD Pre24 will quickly
step through the available tracks in the
required direction.
DISPLAYING PLAYBACK TIME
There are three playback time display
modes accessed progressively by pushing
the TIME button on the remote control.
The default mode (e.g. after switch on)
shown below indicates the elapsed time for
the currently playing track (2 minutes
34 seconds in this example):
Pushing the TIME button once changes
the display to show the remaining time for
the current track (4 minutes 29 seconds in
this example):
TRACK SELECTION (Remote control)
A specific track can be selected directly by
pressing the required track number button
on the remote control. The chosen track
then plays immediately.
To play a track number with two digits,
press the 10+ button on the remote control
followed by the first digit, then the second
digit. For example, to obtain track 27,
press 10+ , then 2, then 7.
Pushing the TIME button again changes
the display to show the remaining time for
the whole disc (33 mins 54 secs) below:
SEARCH
The SEARCH buttons can be used to fast-
forward or fast-rewind during playback in
a similar way to a video or tape cassette
player. This permits location of particular
passages at high speed with the audio play-
back of the CD still active.
(Note: Track and Index displays are not
shown in this mode).
Pressing the forward-search button (>>)
fast winds forwards whilst the search back-
wards button (<<) fast winds backwards.
As the unit searches through a track, the
A third press of the TIME button will now
bring the display back to the original
(elapsed track time) mode.
Issue 4: May 2002
CD Pre24
Instructions for Use. Page 12 of 19
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CD - SPECIAL FEATURES
REPEAT PLAYBACK
SHUFFLE PLAYBACK
The REPEAT button on the remote control
allows the repeated playback of either one
track or all tracks on the disc.
By pressing the REPEAT button once, you
can repeat the entire disc (or the pro-
grammed selections - see page 14) over and
over again. Large letters REPEAT briefly
replace track, index and time information
The SHUFFLE feature allows tracks on the
discs to be played in random sequence
rather than the normal consecutive order.
Tracks are also played in a different order
each time the disc is restarted, or another
disc loaded.
This function is obtained by pressing
SHUFFLE on the remote control with the
unit either stopped or playing.
followed by a smaller, permanent
legend underneath.
REPEAT
If the REPEAT button is pressed a second
time, only the current track is repeated.
Large letters REPEAT 1 briefly replace
track, index and time information followed
If playing, the word SHUFFLE in large let-
ters briefly replaces track, index and time
display information, before a permanent red
indication provides a reminder that the func-
tion has been activated.
by a
REPEAT 1
legend underneath.
Pressing REPEAT a third time cancels
repeat mode. Graphics REPEAT OFF then
briefly replace track, index and time infor-
mation before reverting to a normal disc
play display.
From stop mode, pressing PLAY/PAUSE
also begins shuffle play.
If the CD Pre24 is already playing, play will
continue until either the current track has
finished, or either the track >>| button on
the remote control or NEXT on the unit is
pressed. Shuffle play is then further con-
firmed by the track number display digits
briefly changing into segments revolving in
a box formation.
A-B REPEAT PLAYBACK
“A-B repeat” provides the option of playing
just a certain section of the disc over and
over again.
Find the beginning of the required section
either by listening, or using the display time
as a guide. When the desired starting point
is reached, press button A/B on the remote
If the SHUFFLE button is now pressed for
a second time, the word CONTINUE briefly
replaces track, index and time display infor-
mation. The unit then resumes normal play
function, except that it now only plays pre-
viously unplayed tracks of the current disc,
unless others are then manually selected.
Shuffle play is cancelled by pressing the
STOP button.
control. The display will show
the flashing letter A.
REPEAT
and
When the disc has reached the end of the
required section, press the A-B button
again. Letters A-B will now be illuminated
in the display, and the unit continuously
plays the selected part of the disc.
To cancel A-B repeat mode, press REPEAT
on the remote control. Graphics
REPEAT OFF then briefly replace track,
index and time information in the display.
CD Pre24
Instructions for Use. Page 13 of 19
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CD - SPECIAL FEATURES
INTRODUCTION SEARCH
The introduction-search function allows
play back of just the start of each track on
the disc, for instance to locate a preferred
track by ear.
track, index and time information, before a
permanent red display provides a reminder
that the function has been activated.
Press the numeric button of the track num-
ber corresponding to the first track you wish
to store (14 in our example is +10, then 4).
That track number will now appear in the
display under TRACK, number 1 (being the
first entry) will appear under STEP, and track
playing time appears under MIN SEC.
Press INTRO on the remote control, and
the display will briefly show:
Alternatively, the track number can be
selected by using the track skip buttons
( |<< or >>| ).
The calendar grid to the right of the display
also confirms this track selection.
The first ten seconds (approximately) of
each title on the CD are then played (or the
first 10 seconds of any programmed titles,
see below). The playback arrow in the dis-
play window flashes to indicate that this
mode is activated.
Next the second track to be programmed can
be selected (7 in our example) either by
entering the required number with the
numeric buttons or again by using the track
skip buttons. As the second track number is
selected the step number will be seen to
change to a 2 indicating the program step
being filled.
Track playing time can be changed to
approximately 20 or 30 seconds at any time
during introduction mode. Press INTRO
twice or three times in quick succession
instead of once, and the revised time will be
indicated on the display as:
or
If you want to save a track twice in succes-
sion (for example 9 followed by 9), then
simply press button 9 twice.
Press STOP to cancel introduction mode.
Note: Intro scan time will be memorised as
long as the unit is powered on, even when
another disc is loaded.
Repeat the above procedure by pressing
remaining track numbers required (9, 9
again and 12 in our example). Note that as
tracks are added, the total playing time indi-
cated increases by a corresponding amount
plus one second per track. This is to allow
access time for the CD mechanism during
the program play sequence.
PROGRAMMED PLAY / R.M.S.
The built-in program memory (Random
Music Selection function) allows you to
store up to 24 tracks and then play them
back in the stored order. Each track is
stored as a 'STEP' in the program.
If entry of more than 24 tracks is attempted
accidently, the memory will not accept the
extra ones. The following is then briefly
displayed:
It is possible to store a track more than once
in the same program if required.
Example:- You wish to listen to tracks
14, 7, 9, 9 and 12 in that order on a disc.
With the disc loaded and the player stopped,
first press PROGRAM on the remote con-
trol. The word PROGRAM briefly replaces
CD Pre24
Instructions for Use. Page 14 of 19
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CD - SPECIAL FEATURES
If at any time you make a mistake or wish
to delete a track from the list, press the
CLEAR button to erase the last step.
Repeated pressing of CLEAR will then
erase each step in reverse order.
function which uses the silent gap between
tracks to locate each one individually.
However, some CDs do not have long
enough gaps between tracks for this function
to operate properly.
AUTOSPACE can solve this problem.
If you wish to check the selection before
playing back your program, the CHECK
button can be pressed to step through each
track in turn. At the end of the check
sequence, the display briefly shows:
Pressing the AUTOSPACE button once
activates the function. The legend
AUTOSPACE
will appear in the display. In this mode,
once the CD Pre24 has reached the end of a
track the
AUTO SPACE
graphic will begin to
flash and the elapsed time part of the display
will change to count down from four sec-
onds to zero before play of the next track
begins.
To play the programmed tracks press
PLAY/PAUSE (or INTRO if required,
see page 14).
When zero is reached the
stops flashing and play continues at the start
of the next track.
AUTO SPACE
legend
When all programmed tracks have been
played, the CD player stops. The same
track selection can then be played again by
pressing the PLAY/PAUSE button.
Press AUTOSPACE again to cancel this
mode.
DISPLAY
To cancel this mode, press PROGRAM.
The word CONTINUE then briefly replaces
track, index and time display.
The CD Pre’s display can be switched off
with the DISPLAY button on the remote
control when a disc is playing.
Note: The entire program contents will be
cleared if you open the disc compartment to
load another disc, but this does not cancel
program mode itself.
However, if the button is pressed without a
CD being loaded, or with a disc stopped,
track, index and time displays are briefly
replaced by the word DISPLAY OFF to con-
firm this mode has been engaged, but the
display remains lit until play is selected.
Pushing the button a second time briefly
shows DISPLAY ON to confirm that the
function has been cancelled.
AUTOSPACE
The CD Pre’s AUTOSPACE function can
be used to insert 4-second silent spaces in
between each track as it is played back.
This can be useful when making cassette
recordings of CDs. Some cassette
When in display-off mode, pressing any but-
ton will cause the display to return briefly to
confirm the new status before again switch-
ing off.
recorders feature a track skip or search
CD Pre24
Instructions for Use. Page 15 of 19
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CD TEXT
CD TEXT DISCS
A small number of CDs released for sale
more recently have additional text informa-
tion contained in the recorded digital data.
If a title or name has more than twelve char-
acters, the first 12 only will be diplayed
after the title or name has finished scrolling.
The CD Pre24 can individually display
either the disc title, artist’s name or track
title with appropriate control commands.
With disc playing:
Each press of the TIME button, the display
will cycle between four states:
Only CDs which are identified as having
this text feature, either on the
disc’s label or the library case,
will have text function on the
CD Pre24.
Original state:
1a: Track title
When a text disc is first loaded, a red
CD TEXT
legend appears in the display
window.
then, after a few seconds:
1b: Track elapsed time:
Text is shown on the front display as
follows:
When the disc is first loaded:
Initially (1a): Total tracks and total time
2: Track remaining time:
then, after a few seconds, (1b):
3: Disc remaining time:
Then, with each press of the TIME button,
the display will cycle between the two text
states:
2: Main artist’s name:
4: Track title: (original play mode)
1: Return to 1a then 1b,
CD Pre24
Instructions for Use. Page 16 of 19
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CD TEXT - OTHER LANGUAGES
Other Languages:
A limited number of CD text discs also
have an “other-language” option.
In this case, after loading the disc, the dis-
play shows the current or default language
after
MULTI
has been appeared underneath
legend.
the
TEXT
If the player cannot read one of the lan-
guages identified in the disc’s digital data,
the display will show “(OTHER LANG)”
after loading the text CD.
To change language with a suitable text
disc, before playing the text CD:
Press the LANGUAGE button on the front
panel. The current operating language will
then appear in the display.
Press NEXT or PREVIOUS on the front
panel, or |<< or >>| on the remote con-
trol to find the required language.
Press the LANGUAGE button again to
store the setting.
Notes:
* If a non-text disc is loaded, pressing the
LANGUAGE button has no effect.
* If a text disc which does not have other
languages available is loaded but not play-
ing, when the LANGUAGE button is
pressed “CAN’T SELECT” is displayed
* If the LANGUAGE button is pressed
while playing a multi-language text disc,
the current language is displayed momen-
tarily.
Issue 4: May 2002
CD Pre24
Instructions for Use. Page 17 of 19
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TROUBLESHOOTING
Basic problem-solving with the CD Pre24 is similar to troubleshooting other electrical or elec-
tronic equipment. Always check the most obvious possible causes first, such as the following
examples:
Problem
Possible Cause
Remedy
No power when POWER
button is pressed
Power plug is not inserted
fully into rear socket
Plug in securely.
No sound
TAPE MONITOR button has Press TAPE MONITOR
been pressed
button again to cancel.
MUTE button has been
Press MUTE button again
pressed
to cancel.
Wrong input selected
Select correct input.
Sound is severely distorted, and Line output lead is connected Re-connect lead to auxilliary
the volume control needs to be to phono pickup input sockets sockets or other “line level”
turned down very low
of the amplifier
amplifier input.
No playback when CD is load- Disc has been loaded with
Re-load with label side up.
ed, and “NO DISC” displayed the label side down
Mistracking (sound jumping)
Player receiving vibration
or shock
Change position of player
away from speakers.
Disc is dirty
Clean disc surface
Set switch to on.
Remote control does not work POWER switch is off
One or more batteries inserted Insert batteries correctly.
the wrong way round
Batteries are flat
Change batteries - do not
mix old and new ones.
Remote control is not pointed Ensure there is no obstruc-
directly towards the front
panel of the pre-amplifier
tion between the remote
control and front panel.
Remote control range has
greatly reduced
Batteries are running out
Change batteries - do not
mix old and new ones.
If none of the above actions effect a cure, please contact your dealer or Musical Fidelity service
agent. Do not open the case of the CD Pre24 yourself, as this will invalidate the guarantee.
Issue 4: May 2002
CD Pre24
Instructions for Use. Page 18 of 19
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SPECIFICATIONS :
CD Pre24
Combination CD player / digital & analogue pre-amplifier
CD SECTION:
DAC architecture
24 bit Delta-Sigma (Bitstream)
Dual differential
8 times oversampling
(CD or DVD-audio conversion only)
Frequency response
Channel balance
Stereo separation
20Hz to 20kHz:
20Hz to 20kHz:
20Hz to 20kHz:
< 0.02dB
< 0.02dB
> 98dB
Total harmonic
distortion at 1kHz:
0dB digital level:
-10dB digital level:
-70dB digital level:
0.002%
0.004%
0.050%
Signal / noise ratio
20Hz to 20kHz:
114dB A-weighted
Audio output at digital 0dB level, 1kHz:
Total correlated jitter:
2.14VRMS nominal
< 189pS
PRE-AMPLIFIER SECTION:
Direct Analogue
8.4VRMS
< 0.002%
+ 0, - 0.02dB
85dB
< 0.01dB
109dB
50 Ohms
A to D / D to A *
8.2VRMS
< 0.004%
+ 0, - 0.37dB
90dB
Maximum output for 2.2 Volts RMS input:
Distortion
20Hz to 20kHz:
Frequency response
Crosstalk, typical:
Channel balance:
20Hz to 20kHz:
20Hz to 20kHz:
< 0.02dB
104dB
Signal / noise ratio, “A”-weighted 20Hz to 20kHz:
Output impedance
* These measurements made by linking the co-axial digital output back to the digital monitor, and using
DIGITAL MONITOR function. This is converting an analogue signal to digital and then back to analogue,
as when linking to a computer or CD recorder.
Power requirements
100 / 115 / 230V AC 50 / 60Hz (Voltage factory preset for country)
22 Watts
Dimensions (approximate)
440mm, 17.3 inches wide
140mm, 5.5 inches high (including feet)
380mm, 14.9 inches deep (including terminals)
Weight
13.5Kg, 29.7lbs unit only, unboxed
17Kg, 37.4lbs in shipping carton
Standard accessories:
Remote control handset,
IEC mains lead,
4 batteries (type SUM-4, AAA, LR03)
Musical Fidelity reserves the right to make improvements which may result in specification or feature changes without notice.
Issue 4: May 2002
CD Pre24
Instructions for Use. Page 19 of 19
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