Azur 651A

Premium integrated amplifier

Our "Sound First" design process ensures the 651A will make all your music sound amazing. And with 75 watts of amplification per channel, a USB audio input, and a front facing 3.5mm jack input for easily connecting iPods and MP3 players, the 651A is packed with features as well.

Azur 651a

Tech Specs
Product Guides
Power output

75W RMS into 8 Ohms

THD (unweighted)

< 0.002% @ 1kHz, 80% of rated power 0.03% 20Hz - 20kHz, 80% of rated power < 0.02% 20Hz - 20kHz @ 10W

Frequency response

5Hz - 50kHz (-1dB)

S/N ratio (ref 1w)

>92dB (unweighted)

Input impedances

47k Ohms

Power amp damping factor

>100 at 1 kHz

Max. power consumption


Standby power consumption

<1W @ rated mains Shelving, ultimate boost/cut +/- 7.5dB @ 20Hz and 20kHz

USB audio input

USB audio 1.0 16 bit 32kHz, 44.1kHz, 48kHz


Black or silver

Dimensions (WxHxD)

430 x 120 x 350mm (16.9 x 4.7 x 13.8")


8.4Kg (18.5lbs)

Diapason D'Or


651C and 651A both win a prestigious French award, a Diapason D'Or!

Hi-Fi Choice

United Kingdom,

"It simply has no weak areas, and has various strong ones that frankly you wouldn't expect at this end of the market."

Hi-Fi Choice

United Kingdom,

"Excellent affordable integrated amplifier, with an endearing character...

...A true everyman's amplifier this comes festooned with facilities."

Hi-Fi News

United Kingdom,

"The 651A is a confident performer, with excellent levels of clarity balanced by an impressive soundstage...

...what sets the Cambridge Audio 651A apart is its sound quality which makes it exceptional value for money."

Witch Doctor

New Zealand,

"...for the money, this gear is gold, particularly the amp... A highly, even wildly-recommended combination."

What Hi-Fi?

United Kingdom,

"In action, the 651A amplifier is a meaty-sounding proposition and, unsurprisingly, is a really good match for the CD player."