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Cambridge Audio

Cambridge Audio Azur 840C Up-Sampling Silver CD Player - CAMB840CSIL

Abt Model: CAMB840CSIL | UPC Code: 5033520409508
 Discontinued Product This item is no longer available from our website.
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Cambridge Audio - CAMB840CSIL - CD Players
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Adaptive Time Filtering (ATF)/ 32-Bit Analog Devices Black Fin DSP/ Fully Differential Anti-Aliasing Topolopgy Based On Linear Phase Bessel Filters/ DC Servo Circuitry With No Capacitors In The Signal Path/ Silver Finish
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Product Details

Cambridge Audio Azur 840C Up-Sampling Silver CD Player, Model CAMB840CSIL

The 840C marks the zenith of Cambridge Audio’s critically acclaimed Azur line up. Like all Azur products, the 840C promises unseen levels of performance and engineering excellence to the price points in question. But rather than redefining expectations in the entry-level market, the arena most often associated with Cambridge Audio, the company will reinvigorate the mid-end price sector.

The 840C embraces a raft of proprietary technologies including ATF™ (Adaptive Time Filtering) asynchronous up-sampling technology which has been developed in conjunction with Anagram Technologies of Switzerland. This system intelligently interpolates 16-bit/44.1kHz CD data to 24-bit/384kHz data, through the use of a 32-bit Analog Devices Black Fin DSP (digital signal processor). This in turn feeds two 24-bit/384kHz DACs from the same company in dual differential formation.


  • Adaptive Time Filtering (ATF) asynchronous up-sampling technology converting 16-bit 44.1 kHz CD data to 24-bit 384kHz
  • 32-bit Analog Devices Black Fin DSP
  • Dual differential DAC configuration using high-end Analog Devices AD1955 DACs
  • Fully differential anti-aliasing topolopgy based on linear phase Bessel filters
  • DC servo circuitry with no capacitors in the signal path
  • Two digital inputs allowing up-sampling and playback of other sources
  • Digital outputs allow recording of up-sampled audio
  • Control Bus In/Out, IR emitter in and RS232 for easy multi-room compatibility
  • Extruded aluminium side panels and solid aluminium front panel plus an ultra rigid, acoustically dampened chassis
  • Navigator style Azur remote control which also controls Azur amplifiers


  • Frequency Response: 20Hz - 20kHz +/- 0.1dB
  • THD @ 1Khz 0dBFs: <0.0008%
  • THD @ 1kHz -10dBFs: <0.0004%
  • THD @ 20kHz 0dBFs: <0.0007%
  • THD @ (19/20kHz) 0dBFs: <0.0002%
  • Linearity @ -90dBFs: +/-0.5dB
  • Stopband rejection (>24kHz): > 120dB
  • Signal to Noise Ratio A-wtd: > 113dB
  • Total correlated jitter: > 130pS
  • Crosstalk @ 1kHz: > -130dB
  • Crosstalk @ 20kHz: > -114dB
  • Output Impedance: < 50 ohms
  • Digital input word widths supported: 16 - 24 bit
  • Digital output word widths supported: 16, 20, 24 bit
  • Digital input sampling frequencies supported: 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
  • Digital output sampling frequencies supported: 32kHz - 192kHz pass through (including 44.1kHz for CD) 48kHz, 96kHz, 192kHz upsampled
  • Audio output up-sampling: Fixed 24 bit, 384kHz

Approximate Dimensions:

  • Height: 4.5"
  • Width: 16.9"
  • Depth: 14.7"

Approximate Weight:

  • Unit: 18.7 lbs
  • Shipping: 21 lbs

Warranty Information:

  • Manufacturer Warranty (authorized online retailer): One Year Parts and Labor
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Cambridge Audio Azur 840C Up-Sampling Silver CD Player

Cambridge Audio Azur 840C Up-Sampling Silver CD Player


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