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Azur651C

Premium CD Player

The 651C has the ability to retrieve maximum digital information so you hear every last detail from your music. We created a CD-only S3 Custom CD Servo drive and used a premium grade toroidal transformer to ensure your discs sound amazing.

Sound First Design

We developed the 651 series with one simple purpose:

To allow users to enjoy music from any source in fantastic quality. To find out how we achieved that, watch the video above.

PERFECT PLAYBACK

The 651Cs well-proven transport guarantees incredible rigidity, and the CD drawer itself has been designed to offer a smooth, high-end feel. To ensure simple operation, a high contrast reverse black DFSTN (Double Film Super Twisted Nematic) display offers clear feedback on the 651C's impressive features which now include CD-text support. As with all our Azur CD players, a high quality toroidal transformer ensures lower noise and less waveform distortion for quieter PSU operation.

Custom CD Servo Drive

Our CD-only S3 Custom CD ServoTM employs a custom designed chipset and the latest double-sided surface-mount technology for ultra-short signal paths with no wire links.

Our circuits and software have been meticulously designed and the S3 Servo dynamically adjusts focusing, tracking and output level of the laser in real-time, allowing for maximum retrieval of the digital information and jitter minimisation. This is all made possible by the implementation of a powerful ARM7 processor and complemented by a highly accurate master clock oscillator and carefully designed impedance-matched clock buffering scheme.

DOUBLE DAC

Twin Wolfson WM8742 digital to analogue converters deliver significant performance and are implemented in a dual differential configuration (each channel has its own DAC to process information). A sophisticated Two-Pole Dual Differential Double Virtual Earth Balanced Bessel filter configuration rejects virtually all noise and distortion present in the DACs and filters them to produce an unprecedented level of performance.

SELECTABLE DIGITAL FILTERS

The new DACs also feature a selectable digital filter with three settings to suit your own listening preferences and your own system:

  • The steep roll-off filter exhibits strong attenuation of aliasing images outside the pass band (i.e. above 22.05kHz) at the expense of a little pre and post-ringing in the time domain.
  • The linear phase filter uniquely features constant group delay which delays all audio signals at all frequencies by the same amount meaning all audio is fully time-coherent at output.
  • Minimum phase meanwhile does not feature constant group delay but rather the co-efficients have been optimised without feed-forward so that the impulse response exhibits no pre-ringing in the time domain at all.
  • Digital to analogue converterDual Wolfson Microelectronics; WM8742 24-bit/192kHz capable
  • Filter2-Pole Dual Differential Bessel; Double Virtual Earth Balanced
  • Frequency response20Hz - 20kHz (+/-0.1dB)
  • THD @ 1Khz 0dBFs<0.003%
  • THD @ 1kHz -10dBFs<0.0005%
  • THD @ 20kHz 0dBFs<0.002%
  • IMD (19/20kHz) 0dBFs<0.002%
  • Linearity @ -90dBFs+/- 0.5dB
  • Clock deviation+/- 20ppm
  • Stopband rejection (>24kHz)>90dB
  • Signal to Noise Ratio>-115dB
  • Total correlated jitter<140pS
  • Crosstalk @ 1kHz<-100dB
  • Crosstalk @ 20kHz<-99dB
  • Output impedance<50ohms
  • Max. power consumption25W
  • Standby power consumption<1W
  • ColourBlack or silver
  • Dimensions (WxHxD)430 x 85 x 305mm (16.9 x 3.4 x 12.2")
  • Weight4.8Kg (10.6lbs)
Azur651C

Hi-Fi Choice (GB, )

"The 65lC feels pretty polished at the price, inside and out... A very engaging machine that conveys the music in all its glory."

Azur651C

Hi-Fi News (GB, )

"This is surely one of the very best value machines on sale today. The maturity it offers in its sonic performance is at a different level from its price rivals, and easily competes with machines costing twice or even three times as much. Once again then, Cambridge Audio shows itself a master of making humbke hifi sound superb."

Azur651C

Hi-Fi World (GB, )

"All in all, these careful and considered designs provide a good basis for enjoyable, long term listening which, for any budget system, is worthy praise."

Azur651C

What Hi-Fi? (GB, )

"651C is a good-looking, spacious-sounding disc spinner... ...651A is a meaty, powerful-sounding amp."

Diapason D'Or (FR, )

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

Witch Doctor (NZ, )

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