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Cyrus CDi-XR Reference CD Player & PSU-XR Power Supply - Bundle Price
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 Cyrus CDi-XR Reference CD Player & PSU-XR Power Supply - Bundle PriceCyrus CDi-XR Reference CD Player & PSU-XR Power Supply - Bundle Price 

Cyrus CDi-XR Reference CD Player & PSU-XR Power Supply - Bundle Price

Save £800 by buying these products as a bundle!

£3,990.00    
£3,325.00 Exc. VAT |  |
 
The XR Series is Cyrus's latest and greatest series of products. An uncompromising range of discrete audiophile components, the performance of which elevates Cyrus into the very highest echelons of transparency and precision.
 
XR is nothing short of a revolution in audio quality. Built from the ground-up, using an accumulated knowledge of over a decade, XR represents the best-in-class application of new DAC technologies, Power supply Design, Circuit topology, User Interface and, is built entirely in the UK using the highest specification of components.

Cyrus CDi-XR CD Player & PSU-XR - Bundle Price

Cyrus CDi XR Reference CD Player

'Cyrus's premium CD player sets the sonic standard at this price'

The CDi XR is designed as a reference integrated CD player, building on the legacy of the CDi and incorporating many novel technologies developed in-house at Cyrus over recent years. Housed within our iconic half-width chassis, The CDi-XR sits alongside above the existing CDi and CDt models, offering a substantive performance upgrade.

TRANSPORT / SERVO

Several years ago, Cyrus invested heavily in developing our own in-house CD ‘Servo’ mechanism, our ‘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 a CD 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 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. Our ‘Servo-Evolution’ system reduces these re-reads and corrections by around 20%, producing not only a cleaner data stream for the DAC, but significantly less noise induced in the analogue output stages.
 

CONTAINING 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
 

SECOND GEN QXR DAC

The DAC in the CDi-XR is our 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, we 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, we are able to calibrate our QXR DAC with incredible precision. We are 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.
 

INTERNAL POWER SUPPLY

The 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.
 

Cyrus PSU-XR Power Supply

The PSU-XR builds upon our extensive legacy in Power Supply design. Beginning with the original PSX, Cyrus has always led the field in producing clean, stable and ‘stiff’ external upgrade power supplies. ‘Stiffness’ is essential, Even when heavy loads are applied, the voltage has to remain completely stable. The PSU-XR employs the largest toroidal transformer we have ever used, coupled with some amazingly efficient load management circuits to deliver a staggering amount of power.

THREE DIFFERENT SUPPLIES

Able to deliver ‘exact’ power requirements to three different circuits on the host product, the PSU-XR significantly enhances the performance of any XR product it is used with. Advanced, microprocessor controls, relay switching, completely separated ‘Grounds’ to virtually eliminate the transfer of ‘noise’ and a future-proof architecture are just some of the special features of this upgrade power supply.
 

DIGITALLY ADDRESSED VOLTAGES

The PSU-XR communicates with the host-product via the 15pin bus lead to determine the exact voltage requirements of the various circuits to receive the additional power. The PSU-XR then controls the output voltage using an 8-bit digital gate, allowing 256 different (and precise) voltage steps for the output rails.
 

NO SHARED 'GROUND'

The PSU-XR is able to supply three different circuits in the host product with power. In order to preserve the purity of the power to each of these circuits, the different power sections of the PSU-XR have completely separate ‘grounds’. This virtually eliminates the possibility of system ‘noise’ from one section of the host product being transferred to another section.
 
 
 
 

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