A home review of this surperb amp , after 6 months use I feel I can now give a full and honest review. http://www.dereton33.co.uk.
Fault Amplifier Power LED Flashing 3 times in protection mode. The Cambridge 640A uses a CAPS 5 Protection system.
Fault Intermittent Audio Output left channel, amplifier would also switch to protection mode randomly. Speaker output protection ...
The Version 2 Amplifier difference?
Cambridge Audio Azur 540A/640A Cambridge Audio Azur 540A/640A Version 2
50 watt integrated amp rated between 4 to 8 ohms (540A) 65 watt integrated ... protection circuit More powerful 60 watt integrated amp rated between 4 to 8 ohms (540A v2) More powerful 75 watt integrated amp rated between 4 to 8 ohms (640A ... v2) CAP5 tweaked for better responsiveness and reliability Improved feel and skinning of controls. IR emitters ...