Cyrus Classic PRE - Pre-Amplifier

Cyrus Classic Pre

The Classic PRE is the latest update to a preamplifier that has been part of the Cyrus product range for over a decade.

This preamplifier provides a significant step up in performance from previous versions by using everything that we learnt when developing the fantastic XR Series but retaining the familiar design of the Classic series. The circuit design has been completely re-designed and the majority of the internal components have been upgraded by the Cyrus R&D team, which has resulted in sound improvements that will help the Classic series retain a loyal fan base for years to come.

Key Features

• 4 x Analogue line-level inputs
• 1 x Phono MM input for vinyl turntable
• 2 x Coaxial digital inputs via RCA phono
• 2 x Optical digital inputs via Toslink
• True balanced outputs via XLR
• Headphone output via 3.5mm jack
• Firmware upgrade port
• PSX-R upgrade connection
• 2 year warranty

The analogue preamp features relay input selection for the five analogue inputs and a precision gain control for volume. The design is intentionally wide bandwidth. The phono MM input stage design features dual active gain stages and passive RIAA equalisation. The unbalanced outputs are provided for close-wired systems where the power amplifier is located close to the Classic Pre. The balanced outputs are recommended for longer cable runs in systems where the Classic Pre is driving power amplifiers placed close to the system speakers or active speakers. The Classic Pre power supply includes a 74VA toroidal power transformer delivering power to a high-capacity power supply reserve. Within the circuit design, a total of 11 independent power supply regulators regulate, and then sub-regulate quiet power. Digital control circuits are assigned a separate main power supply, completely isolated from the signal circuitry. The Classic Pre includes a port for the PSX-R power supply. Power from the PSX-R is routed internally to the analogue stages of the preamplifier to provide a more stable, low-noise power supply for the analogue preamp and post-DAC stages of the D/A converter. 

Who is Cyrus Audio?

Cyrus Audio, the British manufacturer known for designing and manufacturing premium Hi-Fi amplifiers, DACs, and CD players, is proud to introduce its new XR series. The XR series is positioned towards discerning audio enthusiasts and, at its launch, it will include six brand new products, including two integrated amplifiers with DACs (the i7-XR and i9-XR), a preamp (Pre-XR), two CD players (the CDT-XR transport and the integrated CDi-XR) and an external power supply (the PSU-XR). Building upon more than a decade of cumulative research and development, the XR series catapults Cyrus products into a whole new level of sophistication and performance. 

 Cyrus has nearly four decades of experience crafting award-winning products, designed and assembled entirely in-house at Cyrus in the UK. From the start, Cyrus’s mission has been to infuse the latest in technology with superb engineering to create ‘emotional’ musical experiences. 

Whilst Cyrus pursues a continual improvement philosophy for all its products, many of its deeper engineering advances can only be applied in a ‘ground-up' design.