A5.5 Integrated A5.5-SERIES INTEGRATED AMPLIFIER WITH USB INPUT INSTRUCTIONS FOR USE Thank you for purchasing the Musical Fidelity A5.5 Integrated amplifier Designed to be partnered with future A5.5 products, this amplifier is also the perfect answer to any integrated amplifier requirements, in a single, beautifully engineered package. Used properly and carefully, it should give many years of outstanding musical reproduction.
A5.5 integrated CONTENTS PAGE Section 3 Safety information - Mains plug (U.K.
A5.5 integrated SAFETY INFORMATION IMPORTANT! (U.K. only) This unit is supplied in the U.K. with mains lead fitted with a moulded 13 amp plug. If, for any reason, it is necessary to remove 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..............................
A5.5 integrated GENERAL ADVICE INSTALLATION PRECAUTIONS & USER INFORMATION This 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 power supply 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 integrated 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 local government office or retailer for available collection facilities.
A5.5 integrated INTRODUCTION Congratulations on the purchase of the new A5.5 integrated amplifier. Great attention has been paid to internal layout, isolating each circuit section to prevent possible interaction. The unit features a top quality USB input DAC to allow direct connection to a PC or MAC for listening to MP3/WAV or other digital music storage formats. The preamplifier sections are our finely tuned and tweaked preamplifier, for smooth sound coupled with low noise and virtually no distortion.
A5.5 integrated FACILITIES AND CONNECTION FRONT PANEL 1 2 3 4 5 4. ANALOGUE AND USB INPUT selector buttons and LED indicators 5. IR RECIEVER lens 1. VOLUME knob 2. ON/OFF Button with POWER and MUTE LEDs 3. TAPE MONITOR button REAR PANEL 6 10 6. 7. 8. 9. 10. 7 11 8 12 LOUDSPEAKER OUTPUTS Right hand side PHONO GROUNDING 4mm post LOUDSPEAKER OUTPUTS Left hand side IEC MAINS INPUT USB Input (type B) Issue 1: 1st September 2007 13 9 14 15 11. 12. 13. 14. REMOTE 3.
A5.5 integrated REMOTE CONTROL Remote control Handset 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.
A5.5 integrated STARTING Once all connections are made, switch on the unit, using the POWER button front of the unit. The POWER LED will light. The MUTE LED will glow red to indicate speaker outputs are muted, for about fifteen seconds, so no sound will be heard from the speakers. Once the 15 seconds is up it will extinguish to indicate unit is settled, and ready for use. VOLUME The volume control knob should be adjusted for normal listening levels.
A5.5 integrated AMPLIFIER OPERATION Digital USB input PC users For the USB input, the LED will flash in absence of digital input signal. When a signal is present, the LED will light continuously. Check the computer has picked up the device and is currently using it by clicking: (most Windows versions) Computer setup for input USB input A good quality USB A to B cable is required to connect the unit to the computer. Plug the B (square) end into the socket in the back of the A5.
A5.5 integrated AMPLIFIER PROBLEMS? Basic problem-solving with an amplifier 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 when POWER button is pressed Mains power plug is not fully inserted into rear socket Plug in securely No sound Mute function is still active Press the MUTE button on the remote control to cancel.
A5.5 integrated Output: Line input: AMPLIFIER SPECIFICATIONS Voltage, RMS Voltage, Peak-to-peak Power Current peak-to-peak Damping factor Output devices per channel Pre-out impedance 45 Volts 20Hz to 20 kHz 127.3 Volts 250 Watts per channel into 8 Ohms (24dBW) 400 Watts per channel into 4 Ohms 75 Amps 170 4 50 Ohms THD + N, 20Hz to 20 kHz Signal / noise ratio Input sensitivity for 250W Input impedance Overload margin Channel separation Frequency response <0.
A5.
