Cambridge Audio 651W Power Amplifier

Cambridge Audio

*Please check with our online customer service team or your local store for stock availability


The Azur 651W is a two channel power amplifier, designed specifically to be partnered with a high quality digital pre-amplifier such as the Stream Magic 6.

By separating out power amplifier functionality, our engineers were able to give this amplifier the time and dedication that it needs to deliver the ultimate performance.

By featuring both fully balanced XLR and unbalanced RCA analogue audio inputs, the 651W is, of course, designed to work in perfect synergy with a dedicated Cambridge Audio pre-amplifier. By connecting a digital pre-amplifier such the Stream Magic 6, the 651W provides the powerhouse in a truly astonishing digital music system!

Power output 100W per channel into 8 Ohms
150W per channel into 4 Ohms
THD (unweighted) < 0.001% 1 kHz
< 0.005% 20 Hz - 20 kHz
Frequency response 5Hz – 80kHz +-1dB
S/N ratio (ref 1W / 8 Ohn) > 90dB (unweighted)
Sensitivity 1.5V rms unbalanced
1.5 + 1.5V rms balanced
Input impedances Balanced input 38 kOhm
Unbalanced input 68 kOhm
Power amp damping factor > 125 at 1 kHz
Trigger in 5 – 12V AC or DC
Trigger out 12V DC @ 100mA
Maximum power consumption 750W
Idle power consumption (no signal) 45W
Standby power consumption < 0.5W
Dimensions (H x W x D) 115 x 430 x 340mm (4.5 x 16.9 x 13.4”)
Weight 10.7kg (23.5lbs)

Next Previous