Description
Cyrus 40 PSU Power Supply Overview
Cyrus has a long-standing tradition of designing external power supplies, dating back to the launch of the PSX in the 1980s. Cyrus 40 PSU Power Supply proudly upholds this legacy, embodying cutting-edge technology in an elegant, compact chassis. Equipped with its own on-board microprocessor, the 40 PSU seamlessly connects to all 40 series products, intelligently adjusting power configurations to deliver optimal performance across a full spectrum of voltage outputs.

A New Beginning
Housed in a sleek, brushed aluminium case, the Cyrus 40 PSU Power Supply exudes sophistication while delivering remarkable functionality. The 40 PSU features multiple digitally controlled power supplies, ensuring exceptional stability and near-silent operation. Its versatility is further enhanced by its compatibility with both the 40 series and PSU-XR models, providing added flexibility for current Cyrus product owners.

The 40 PSU Power Supply contains five independent power supplies, routed through a multi-way umbilical cable to a connected 40 series component. These include a high-capacity logic supply for digital circuitry, two fixed voltage supplies for sensitive analogue components, and two variable high-capacity supplies for analogue circuits. The variable supplies also feature unregulated voltage settings for powering high-consumption circuits, such as power amplifiers, ensuring exceptional performance across all devices.
Cyrus 40 PSU Power Supply Features
- Two fixed voltage power supplies intended to power sensitive, low-voltage analogue circuitry.
- Two variable voltage high-capacity power supplies designed to supply power to low or high consumption analogue circuitry.
- The variable power supplies also feature two unregulated voltage settings that can be applied to enhance the power supply for high consumption circuitry, such as power amplifiers.
About Cyrus Audio 
40 Years of Building a Better Music Experience
Cyrus Audio is an internationally acclaimed, high-end audio brand based in Cambridgeshire, England. They have been at the forefront of the audio scene for 40 years. Having launched the original Cyrus One amplifier back in 1984, they quickly established themselves as a company providing outstanding quality for the most discerning of music-lovers, and have been designing and manufacturing award winning audio products ever since. Cyrus is proud to be one of the few remaining independent British brands, with their range of integrated amps, streamers, CD players, power amps and power supplies continuing to be manufactured in the UK by their partners SMS Electronics.