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A1 CD PRO
A1 SERIES TOP LOADING COMPACT DISC PLAYER
INSTRUCTIONS FOR USE
Thank you for purchasing the Musical Fidelity A1 CD PRO
This model uses a professional quality top-loading CD transport, ultra low jitter 24 Bit DAC technology and
further jitter reduction techniques to achieve both an excellent technical specification and unparalleled CD
sound quality.
The A1 is a perfect answer to CD requirements in a beautifully engineered package, complementing the A1
series components.
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CONTENTS A1 PRO CD PAGE 3,4 Safety information - Laser product labelling - Laser type - Radio-frequency interference 5 General advice - Installation precautions - User information 6 Item disposal information - EU disposal information 7 Installation - Introduction - Installation - Audio connection - Notes on using compact discs - Cleaning 8,9 Facilities and connections - Illustrations - front and rear panels 10 Remote control -
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SAFETY INFORMATION A1 PRO CD CLASS 1 LASER PRODUCT The A1 is a CD player which has been designed and manufactured according to FDA regulations "title 21, CFR, chapter 1, sub-chapter 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 normal use because invisible radiation emitted inside this product is completely confined within the protective housing. However you must observe the fo
ページ4に含まれる内容の要旨
SAFETY INFORMATION A1 PRO CD LASER INFORMATION: Manufacturer : Sharp Optical pick-up : Pick-up type : GH6C005B Wavelength : 780nm 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. However, it is designed to radiate minimal levels of RFI, and accordingly been testing to North American standards (FCC regulations
ページ5に含まれる内容の要旨
GENERAL ADVICE A1 PRO CD INSTALLATION PRECAUTIONS and USER INFORMATION Your new A1 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 A1 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
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ITEM DISPOSAL INFORMATION A1 PRO CD DISPOSAL AFVAL The crossed out wheeled bin label that appears on Het label op de achterzijde van dit apparaat, een the back panel of the product indicates that the product must not afvalbak op wielen met een kruis doorgehaald, geeft aan dat dit be disposed of as normal household waste. To prevent possible apparaat niet samen met gewoon huishoudafval mag worden harm to the environment please separate the product from other weggegooid. Om mogelijke
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INSTALLATION A1 PRO CD INTRODUCTION AUDIO CONNECTIONS Congratulations on the purchase of your new A1 CD Outputs: Connect your amplifier inputs to the RCA player. sockets on the back panel marked as LEFT and RIGHT The A1 CD has extremely low jitter, vanishingly low outputs. distortion, exemplary linearity and ultra low noise. Its If desired, the unit can also be attached to an external case design complements the A1 series components DAC of your choice. The unit outputs COAX and whi
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FACILITIES AND CONNECTION A1 PRO CD FRONT PANEL 1 2 3 4 5 6 7 8 1. DISPLAY 5. STOP button 2. POWER on/off switch 6. PREVIOUS button 3. PLAY button 7. NEXT button 4. PAUSE button 8. IR lens REAR PANEL 9 10 11
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REMOTE CONTROL A1 PRO CD The universal remote control shown below enables functions from this and related units to be operated from a convenient distance. Equivalent buttons on the remote control have the same functions as those on the front panel of the unit. Other functions are only available by remote control. As the handset uses an invisible infra-red light beam, the front edge must be pointed directly towards the receiver window at the front of the player, without visual obstr
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CD BASIC OPERATION A1 PRO CD LOADING AND PLAYING COMPACT DISCS If mains power to the unit is switched on with a disc already loaded, it will automatically search for the disc. NO DISC TRACK SELECTION (Remote control) Simply press the PLAY button to start a CD playing from the first track. To load a disc, manually lift the lid up from the front lip, Alternatively, a specific track can be selected directly by to allow access to the mechanism. pressing one of the
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CD BASIC OPERATION A1 PRO CD PAUSE Pressing the PLAY/PAUSE button on the front or top panel whilst a disc is playing pauses playback of the disc. PAUSE appears in the display windows instead of PLAY. The disc will continue spinning, but the track does not advance and the CD's output is muted. PAUSE 1 0:03 Pressing PLAY/PAUSE again resumes playback from the same place. PAUSE (Remote control) On the remote control, PLAY and PAUSE buttons have separate functions at eac
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CD SPECIAL FEATURES A1 PRO CD REPEAT PLAYBACK This function is obtained by pressing SHUFFLE on the The REPEAT button on the remote control allows the remote control with the unit either stopped or playing. If repeated playback of either one track or all tracks on the the A1 is already playing, play will continue in random disc. order until all tracks on the disc have been played. By pressing the REPEAT button once, only the current Shuffle play is cancelled by pressing the SHUFFLE t
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CD SPECIAL FEATURES A1 PRO CD Press PROGRAM again on the remote control - the When all programmed tracks have been played, the CD next program step is selected, (program 2) and the track player stops. The same track selection can then be number revert to 0 ready for a new entry. played again by pressing the PLAY/PAUSE button on the front panel, or PLAY on the remote control. STOP 74 To repeat a programmed sequence continually, press program 2 track 0 REPEAT whilst pla
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CD PROBLEMS? A1 PRO CD Basic problem-solving with a CD player is similar to troubleshooting other electrical or electronic equipment. Always check the most obvious possible causes first, such as the following examples: Problem Probable Cause Remedy No power / display Power plug is not inserted correctly Plug in securely into A1 IEC socket No playback when disc is loaded, “NO Disc is loaded with label side down Re-load with label side up DISC” displayed Incorrect disc type Please load
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MANUAL REVISION A1 PRO CD DAC: Output impedance 50 Ohms DAC circuit 24 bit Delta-Sigma (Bit stream) dual differential 8X over sampling Total correlated jitter < 135 pS Linearity < 0.1dB down to -96dB Output digital 0dB 2.18VRMS at 1 kHz nominal level Frequency response 10Hz to 20 kHz -0.2dB max Channel separation > 105dB 20Hz to 20 kHz Signal / noise ratio > 117dB “A” weighted Total harmonic < 0.003% 10Hz to 20 kHz distortion Connections: Line level outputs:
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MANUAL REVISION A1 PRO CD RELEASE DATE CHANGES th st Issue 1 28 January 2008 1 release Remote control page th Issue 2 11 March 2008 updated th Issue 3 30 April 2008 Magnetic puck added Specification page th Issue 4 6 May 2008 updated th Issue 4: 6 May 2008 Page 16 of 16
