Cambridge Audio Azur 840C schwarz

Art.Nr.: 840c sw

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Cambridge Audio Azur 840C schwarz

Mit dem 840C hat Cambridge Audio das Thema Upsampling neu belebt. Kommentar des Magazins Hi-Fi Choice zum Hifi Choise Gold Gewinn: "Es gibt einfach keinen anderen CD-Spieler in dieser Preisklasse der nur annähernd dieses Niveau erreicht!"

Der Schlüssel dazu liegt im ATF™ (Adaptive Time Filtering) Upsampling Prozess, entwickelt in Verbindung mit Anagram Technologies in der Schweiz. Dieses System transformiert 16-bit/44.1kHz Daten mit Hilfe spezieller Algorithmen und einem 32-bit Analog Devices Black-Fin DSP in 24-bit/384kHz Daten.

Sowohl symmetrische XLR-Ausgänge als auch unsymmetrische RCA-Anschlüsse gehören zur Ausstattung. Zwei digitale Eingänge sind ebenfalls vorhanden. Einspeisung von Digitalsignalen, Upsampling und Wiedergabe
weiterer Quellen, wie z.B. DAB-Tuner oder Set-Top Boxen über den Azur 840C sind somit möglich. Außerdem ermöglicht ein Digitalausgang die Bit-für-Bit-Aufzeichnung von Daten oder Aufzeichnung von Daten mit erhöhten Abtastraten (48, 96 oder 192kHz) durch ein entsprechendes Aufnahmegerät. Control-Bus-In/Out, IR-Sender-Eingang und eine RS232-Schnittstelle ermöglichen die problemlose Einbindung in ein Mehrraum-System.

Diese beeindruckende technische Ausstattung, kombiniert mit hervorragenden klanglichen Qualitäten, macht den 840C in seiner Preisklasse einzigartig.

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.

Each DAC handles just one channel for excellent stereo imaging, operating fully in differential mode for exceptionally low distortion and noise.

Both unbalanced RCA and balanced XLR outputs are fitted. Two digital inputs are also provided which even allow the up-sampling and playback of other sources such as a DVD player via the Azur 840C. In addition, a recording digital output can even allow bit-for-bit data or upsampled data at 48, 96 or 192 kHz to be recorded by a suitable device.

A Control Bus In/Out, an IR emitter in connection and an RS232 port are provided for easy multi-room connectivity. The RS232 protocol enables a two-way interface with third party home automation touchscreens.

As with all Azur products, the foundation of the 840C’s excellence is a bespoke chassis. This comprises an incredibly thick 7mm front panel and extruded side panels, both fashioned from aluminium, which combines with a 2mm formed steel base plate and specially designed vibration absorbing feet. The result is an ultra rigid, low resonance, acoustically dampened platform for the electronics to sit in.

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
Available in silver or black

Frequency Response:	20Hz - 20kHz +/- 0.1dB
THD @ 1Khz 0dBFs:	<0.0008%
THD @ 1kHz -10dBFs:	<0.0004%
THD @ 20kHz 0dBFs:	<0.002%
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
Dimensions (H x W x D):	115 x 430 x 360mm 4.5 x 16.9 x 14.7"
Weight:	8.5kg (18.7lbs)