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Cyrus CDi-XR - High End CD Player
Transport / Servo
The Cyrus CDi-XR is a culmination of years of CD innovation. Several years ago, Cyrus invested heavily in developing their own in-house CD ‘Servo’ mechanism, Cyrus’ ‘Servo Evolution’. The design principle is to read as much information as possible from the disc itself first time, rather than having to rely on ‘re-reads’ or ‘error-correction’.
Whilst it is true that the data on CDs is stored in ‘1s and 0s’, the way it is read, picking up different frequencies of reflected light, has analogue elements to it. Therefore, precision engineering can improve the performance. Off-the-shelf mechanisms produce significant ‘system noise’ when the stepper motors of the mechanism are required to be used during the error correction processes when the data was not picked up on the first pass. Cyrus’ ‘Servo-Evolution’ system reduces these re-reads and corrections by around 20%, producing not only a cleaner data stream, but significantly less noise.
Upgraded components along with intelligently designed circuits using ‘counter-current’ methodologies to reduce noise pickup are in evidence throughout the design.
The fundamental principle is that power starts at the ‘quietest’ part of the circuit, before flowing towards the ‘noiser’ sections. Less noise is therefore ‘carried’ or induced into the power paths, limiting the transmission of noise inside the product. Whilst this sounds logical, the application in practice is incredibly complex, and needs to be considered at a system-wide level. Even the geometric alignment of individual components has been optimized to facilitate the cleanest possible flow of power and musical signal.
The DAC has been housed on its own shielded section of the PCB, again to help contain noise transfer
Internal power supply
The Cyrus CDi-XR, like all products in the XR series, has had a complete overhaul of the power supplies to each circuit section. The power supplies are much stiffer and have enabled Cyrus engineers to get the remarkable SE engine to run even more quietly.
Second Gen QXR DAC
The DAC in the Cyrus CDi-XR is their own second-generation QXR DAC platform with a key notable difference in its implementation. As a DAC usually has to handle a multitude of possible resolutions and input paths, their design is always a slight compromise on the best possible configuration for any particular source. In the CDi-XR, however, Cyrus know exactly which resolution is going to be received (44.1kHz, 16bit) and the incoming signal path that data is going to travel. As a consequence, they were able to calibrate their QXR DAC with incredible precision. Able to optimize, not just the inbound data path and the data conversion itself, but also the filtering stages of the DAC to render the finest analogue output possible.
Cyrus CDi-XR Specifications
- Integrated CD player
- 32 bit 2nd Gen QXR DAC
- Servo Evolution technology
- Twin analogue outputs
- Optical and coaxial outputs
- PSU-XR upgrade port
- User upgradable firmware
- iR14 Remote control included