540A/640A V2.0 Integrated amplifier
INTRODUCTION
Thank you for purchasing this Cambridge Audio Azur range amplifier. These version 2 models are part of our commitment to the
For these version 2 models we have been able to further improve the audio quality and make them more powerful through many detailed changes and enhancements developed as a result of our
About the 540A V2.0
The 540A V2.0 features a new preamp stage with buffered inputs for lower crosstalk and improved stereo imaging, whilst the headphone output is now provided be a separate Class A headphone driver circuit. The amplifier stage has been revised with new
About the 640A V2.0
Featuring all of the above enhancements, the 640A V2.0 also features separate transformer secondaries for left and right channels, twin rectifiers and separate PSU's for dual mono operation of the left and right power amplifiers. An even larger heatsink and transformer are employed and power output is now 75 watts per channel (from 65wpc on the V1 model).
Incognito Ready / Custom Install Use
Both the 540A V2.0 and 640A V2.0 now feature outputs for the new Cambridge Audio Incognito system. By plugging in one or two external Incognito Keypads and a power supply unit your V2.0 amplifier can become the hub of a simple
Your V2.0 amplifier can only be as good as the system it is connected to. Please do not compromise on your source equipment, speakers or cabling. Naturally we particularly recommend models from the Cambridge Audio Azur range, which have been designed to the same exacting standards as our amplifiers. Your dealer can also supply excellent quality Cambridge Audio interconnects to ensure your system realises its full potential.
Thanks for taking the time to read this manual, we do recommend you keep it for future reference.
Matthew Bramble
Technical Director
Azur integrated amplifier 3