840C Upsampling compact disc player

TECHNICAL SPECIFICATIONS

D/A converters

Digital filter

Analog filter

Frequency response

THD @ 1Khz 0dBFs

THD @ 1Khz -10dBFs

THD @ 20Khz 0dBFs

IMD (19/20kHz) 0dBFs

Linearity @ -90dBFs

Stopband rejection (>24kHz)

S/N ratio, A weighted

Dual Analog Devices

Crosstalk @1kHz

< -130dB

AD1955 24 bit DACs

 

 

 

Crosstalk @20kHz

< -114dB

Analog Devices Black Fin

 

 

ADSP-BF532 32 bit DSP

Output impedance

< 50 ohms

Performing ATFTM

 

 

upsampling to 24 bit 384kHz

Digital input word widths supported

 

 

16 - 24 bit

2 Pole Fully Differential

 

 

Linear Phase Bessel filter

Digital output word widths supported

 

 

16, 20, 24 bit

20Hz to 20kHz (+/-0.1dB)

 

 

 

Digital input sampling frequencies supported

< 0.0005%

 

32kHz, 44.1kHz, 48kHz, 88.2kHz,

 

 

96kHz, 176.4kHz, 192kHz

< 0.0004%

 

 

 

Digital output sampling frequencies supported

< 0.0007%

 

32kHz - 192kHz pass through

 

 

(Including 44.1kHz for CD)

< 0.0002%

 

 

 

 

48kHz, 96kHz, 192kHz upsampled

+/- 0.5dB

 

 

 

Audio output upsampling

Fixed 24 bit, 384kHz

> 120dB

 

 

 

Dimensions - H x W x D

115 x 430 x 360mm

> 113dB

 

(4.5 x 16.9 x 14.7”)

Total correlated jitter

< 130pS

Weight

8.5kg (18.7lbs)

Azur upsampling compact disc player 19

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Cambridge Audio 840C user manual Technical Specifications, Digital output sampling frequencies supported

840C specifications

The Cambridge Audio 840C is a high-performance CD player and digital-to-analog converter (DAC) that has garnered attention from audiophiles and music lovers since its release. This player stands out for its blend of cutting-edge technology and elegant design, making it a sought-after component in many high-end audio systems.

One of the standout features of the 840C is its ability to handle a variety of digital sources. It includes inputs for USB, coaxial, and optical connections, allowing users to easily integrate it with their digital audio devices. This versatility ensures that the 840C can serve as a central hub for a modern audio setup, including direct connections to computers, tablets, and other digital sources.

At the heart of the 840C is Cambridge Audio's proprietary "ATF" (Adaptive Time Filtering) technology. This innovation upscales lower-resolution digital audio to 24-bit/192kHz, enhancing the overall sound quality and allowing listeners to experience their music in greater depth and detail. This technology, combined with a highly regarded Wolfson DAC, ensures that the 840C delivers exceptional audio performance that captures the nuance and dynamics of any musical genre.

The 840C also boasts a precision clocking system, which minimizes jitter – a common issue in digital audio that can compromise sound quality. By ensuring more accurate timing of the audio signal, the 840C creates a more coherent soundstage and improves the overall listening experience.

Another notable aspect of the 840C's design is its robust construction. Built with high-quality components and a solid chassis, this player not only minimizes internal vibration but also ensures durability. The aesthetically pleasing brushed aluminum finish adds to its appeal, allowing it to fit seamlessly into a variety of audio setups.

Audio enthusiasts will appreciate the 840C's user-friendly interface, which makes navigation through tracks, playlists, and settings straightforward. The remote control further enhances usability, offering quick access to essential functions.

In summary, the Cambridge Audio 840C is an exemplary piece of audio equipment that combines advanced technology with high-quality sound reproduction. Its versatile outputs, state-of-the-art DAC capabilities, robust design, and user-friendly operation make it an ideal choice for anyone looking to elevate their audio experience. Whether enjoying CDs or streaming high-resolution digital files, the 840C promises to satisfy even the most discerning listeners.