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24
CD Pre
COMBINATION CD PLAYER AND
DIGITAL / ANALOGUE PRE-AMPLIFIER
PLAY/PAUSE
NEXT
LINE 1 LINE 2 LINE 3
PREVIO US STOP
DIG ITAL 1 DIG ITAL 2 CD
LANGUAGE O PEN/CLO SE
DIG ITAL TAPE
MON ITOR MON ITOR
POWER
INSTRUCTIONS FOR USE
24
Thank you for purchasing the Musical Fidelity CD Pre .
Used properly and carefully, it should give many years of outstanding
musical reproduction.
24
The CD Pre uses the latest 24 Bit DAC technology and jitter reduction
techniques to achieve both an excellent tech
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CONTENTS PAGE 3 Safety Information: - Mains plug (U.K. only) - Modification warning 4 Safety Information: - Warnings (continued) 5 User Information: - Radio-frequency interference 6 General Advice: - Installation precautions - User information 7 Remote Control: - Use and illustration 8 Facilities and - Front and rear panel illustrations Connections: 9 Interconnection and - Interconnection procedure Pre-amp operation: - Switching on - Input source selection 10 Pre-amplifier, - Mute function Opera
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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
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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 ! •
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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 r
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GENERAL ADVICE INSTALLATION PRECAUTIONS AND USER INFORMATION 24 Your CD Pre 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. 24 * Only connect the CD Pre 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
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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
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FACILITIES AND CONNECTIONS FRONT PANEL 4 NEXT CD track button 1 LINE 1 input selector button and LED 5 Display (incorporates infra-red 2 LINE 2 input selector button and LED remote control receiver) 3 LINE 3 input selector button and LED 6 CD PLAY / PAUSE button 1 2 3 4 5 6 NEXT PLAY/PAUSE LINE 1 LINE 2 LINE 3 PREVIOUS STOP DIG ITAL 1 DIG ITAL 2 CD O PEN/CLO SE LANGUAGE DIG ITAL TAPE MON ITOR MON ITOR POWER 24 MUSICAL FIDELITY 7 9 11 13 14 15 16 17 18 8 10 12 7 DIGITAL 1 input sel
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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 Ensure that mains power to the various DVD audio source. components of your audio system is switched off. Please note that audio con- necting leads are not supplied with this MAINS POWER CONNECTION product. Insert the accessory IEC mains lead plug into the rear panel socket, and then the other OUTPUT CONNECTION end into a convenient wa
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PRE-AMPLIFIER OPERATION MUTE (Remote Control Only) TAPE MONITOR (Remote Control Only) 24 The CD Pre can be used in analogue mode Pressing the MUTE button once on the for off-tape monitoring from 3-head tape remote control will interrupt analogue out- decks. put to the amplifier. Pressing MUTE again will restore audio output. The LED in the This allows the user to compare the original volume control knob then goes off to indi- sound with the recorded version while the cate that the outputs ar
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CD - BASIC OPERATION LOADING AND PLAYING DISC PLAY COMPACT DISCS If PLAY/PAUSE is pressed, the CD player 24 If mains power to the CD Pre is switched will go into play mode, an arrow confirm- on with a disc already loaded, it will auto- ing playback will appear on the left, and matically search for the disc and begin the current track and index point will be playing from the first track. However, displayed similar to the following example: playback will not be audible if the input has previ
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CD - BASIC OPERATION STOP track time remaining display (far right dig- Playback can be stopped at any time by its) will be seen to advance rapidly in the pressing the STOP button once. required direction. For both directions the unit will return to normal playback when the button is released. TRACK SELECTION To change track, the track skip buttons DISPLAYING PLAYBACK TIME NEXT and PREVIOUS can be pressed to jump forwards or backwards one track There are three playback time display in eithe
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CD - SPECIAL FEATURES REPEAT PLAYBACK SHUFFLE PLAYBACK The REPEAT button on the remote control The SHUFFLE feature allows tracks on the allows the repeated playback of either one discs to be played in random sequence track or all tracks on the disc. rather than the normal consecutive order. By pressing the REPEAT button once, you Tracks are also played in a different order can repeat the entire disc (or the pro- each time the disc is restarted, or another grammed selections - see page 14) ov
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CD - SPECIAL FEATURES INTRODUCTION SEARCH The introduction-search function allows track, index and time information, before a play back of just the start of each track on permanent red display provides a reminder the disc, for instance to locate a preferred that the function has been activated. track by ear. Press the numeric button of the track num- Press INTRO on the remote control, and ber corresponding to the first track you wish the display will briefly show: to store (14 in our example
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CD - SPECIAL FEATURES If at any time you make a mistake or wish function which uses the silent gap between to delete a track from the list, press the tracks to locate each one individually. CLEAR button to erase the last step. However, some CDs do not have long Repeated pressing of CLEAR will then enough gaps between tracks for this function erase each step in reverse order. to operate properly. AUTOSPACE can solve this problem. If you wish to check the selection before playing back your progr
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CD TEXT CD TEXT DISCS A small number of CDs released for sale If a title or name has more than twelve char- more recently have additional text informa- acters, the first 12 only will be diplayed tion contained in the recorded digital data. after the title or name has finished scrolling. 24 The CD Pre can individually display either the disc title, artist’s name or track With disc playing: title with appropriate control commands. Each press of the TIME button, the display Only CDs which are id
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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 the TEXT legend. 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 th
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TROUBLESHOOTING 24 Basic problem-solving with the CD Pre 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 Power plug is not inserted Plug in securely. button is pressed fully into rear socket 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 ca
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SPECIFICATIONS : 24 CD Pre 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 20Hz to 20kHz: < 0.02dB Channel balance 20Hz to 20kHz: < 0.02dB Stereo separation 20Hz to 20kHz: > 98dB Total harmonic 0dB digital level: 0.002% distortion at 1kHz: -10dB digital level: 0.004% -70dB digital level: 0.050% Signal / noise ratio 20Hz to 20kHz: 11
