Thank you for purchasing this Cambridge Audio Azur 550A or 650A amplifier. We are confident that you will enjoy many years of listening pleasure from it.
Developed as part of our on-going research and development regime, including extensive listening tests, we have incorporated many subtle tweaks and improvements to our circuits, components and layouts in the pursuit of our passion for sound quality. Specifically, these models use new output transistors, a new high-quality Alps volume pot, new polypropylene signal capacitors, gold-plated speaker outputs, custommade electrolytic capacitors in critical positions and several new circuit tweaks. These models are amongst the first to feature a new casework design with a thicker braced front panel, more rigid wrap-over lid assembly and dual-layer damped feet, all of which contribute to better resonance control. A new version of our proprietary CAP5 system has been developed to allow a greater dynamic envelope to the protection scheme, offering a more dynamic real-life performance. Also featured is an environmentally friendly low power (