A5.5 CD A5.5 SERIES COMPACT DISC PLAYER WITH VALVE OUTPUT STAGE INSTRUCTIONS FOR USE Thank you for purchasing the Musical Fidelity A5.5 CD player This model uses a professional quality drawer 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. This is complemented by an ECC88 valve buffer stage to give a high quality valve audio output. The A5.
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A5.5 CD SAFETY INFORMATION CLASS 1 LASER PRODUCT The A5.5 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.
A5.5 CD SAFETY INFORMATION LASER INFORMATION: Optical pick-up : Manufacturer : Sharp 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.
A5.5 CD GENERAL ADVICE INSTALLATION PRECAUTIONS and USER INFORMATION Your new A5.5 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 A5.5 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.
A5.5 CD DISPOSAL The crossed out wheeled bin label that appears on the back panel of the product indicates that the product must not be disposed of as normal household waste. To prevent possible harm to the environment please separate the product from other waste to ensure that it can be recycled in an environmentally safe manner. Please contact your local government office or your retailer for available collection facilities.
A5.5 CD INTRODUCTION Congratulations on the purchase of your new A5.5 CD player. The A5.5 CD has extremely low jitter, vanishingly low distortion, exemplary linearity and ultra low noise. Its case design complements the A5.5 series components which include an integrated amplifier all in the same convenient size. Great attention has been paid to internal layout, isolating each circuit section to prevent possible interaction.
A5.5 CD FACILITIES AND CONNECTION FRONT PANEL 1 2 3 4 5 6 7 8 9 6. STOP button 7. PREVIOUS button 8. NEXT button 9. IR lens 1. CD DRAWER 2. DISPLAY 3. ON/OFF switch 4. OPEN/CLOSE button 5. PLAY/PAUSE button REAR PANEL 10 11 10. DIGITAL OPTICAL output 11. DIGITAL COAXIAL output Issue 2: 27th September 2007 12 13 12. LEFT AND RIGHT valve audio outputs 13.
A5.5 CD REMOTE CONTROL 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 obstruction between them.
A5.5 CD CD BASIC OPERATION LOADING AND PLAYING COMPACT DISCS NO DISC To load a disc, press OPEN/CLOSE button to gain access to the tray. Display will show “OPEN” OPEN When the tray is fully extended, gently place the disc, with the label facing upwards, centrally into the indentation and press the OPEN/CLOSE button again so the displays show “CLOSE”. PLAY The unit will scan the contents of the disc.
A5.5 CD CD SPECIAL FEATURES REPEAT 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, only the current track is repeated, and the display shows PLAY 1 repeat track 0:12 If the REPEAT button is pressed a second time, “repeat disc” is displayed instead, and the entire disc is then played repeatedly. PLAY 1 repeat disk 0:24 Pressing REPEAT a third time cancels repeat mode.
A5.5 CD CD SPECIAL FEATURES That track number will now appear in the display: STOP 74 program 1 track 3 Press PROGRAM again on the remote control - the next program step is selected, (program 2) and the track number revert to 0 ready for a new entry. STOP 74 program 2 track 0 Continue entering track numbers in the same way up to a maximum of 25. If more than 25 tracks are attempted the memory will not accept any extra ones, and the display reverts to “program 1”.
A5.5 CD CD PROBLEMS? 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 into psu correctly Plug in securely fully into power supply’s A5.
A5.5 CD CD SPECIFICATIONS Output impedance 50 Ohms DAC: DAC circuit Total correlated jitter Linearity Output digital 0dB level Frequency response Channel separation Signal / noise ratio Total harmonic distortion 24 bit Delta-Sigma (Bit stream) dual differential 8X over sampling < 135 pS < 0.1dB down to -96dB 2.18VRMS at 1 kHz nominal 10Hz to 20 kHz -0.2dB max > 105dB 20Hz to 20 kHz > 117dB “A” weighted < 0.
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