Cyrus 40 PSU power supply
Power supplies are what can really make or break a hifi system. Cyrus have known this for a long time and it's why they make upgradeable power supplies for all of their ranges.
This unit will improve the amount of detail, the imaging and generally the sense of life in the system.

Cyrus 40 PSU power supply
Power supply design has always been key to the overall performance of audio products and with the 40 PSU, we have delivered not only a product packaged within the sleek design of the 40 series aluminium chassis, but a new approach to providing clean and stable power for your compatible 40 series host product. Incorporating its own on-board micro-processor, the 40 PSU communicates directly with the host product to consistently provide the best configuration of virtually noise-free power from a full range of digitally controlled voltage output levels.
When connected to the 40 AMP, the 40 PSU provides the power amp section with a serious boost of clean power, further stiffening the main power supply rails to the amplifier, meaning that the amplified signal can more accurately track the input signal. You hear this accuracy in the music which becomes more transparent and more detailed. The Pre-Amp section is completely driven by the 40 PSU, again this means a stiffer supply – leading to greater accuracy.
This leaves the internal power supply to run the DAC section, and because it is now doing less work, the supply it can provide to the DAC is more robust. In our listening tests we observed a massive improvement on the 40 AMP. We got more weight, more authority, better detail, better attack, overall better control of rise and fall of notes, and more accurate timing.
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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.