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CYRUS AUDIO 40 PSU. External Power Supply
CYRUS AUDIO 40 PSU. External Power Supply
CYRUS AUDIO 40 PSU. External Power Supply
CYRUS AUDIO 40 PSU. External Power Supply
CYRUS AUDIO 40 PSU. External Power Supply
CYRUS AUDIO 40 PSU. External Power Supply

CYRUS AUDIO 40 PSU

External power supply for the 40 Series.

Optimizes the performance of the 40 AMP, 40 CD, and 40 ST power supplies

Intelligent, stable, and noise-free power supply

Improves transparency, dynamics, and sound control

Digital regulation and direct communication with the component

Compact design in a black anodized aluminum chassis

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957460112
info@audiohum.com

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Cyrus 40 PSU: High-Performance External Power Supply for the 40 Series

The Cyrus 40 PSU is a reference-grade external power supply designed to unlock the full potential of any component in the Cyrus 40 Series. Built with precision British engineering and housed in an elegant black anodized aluminum chassis, this power supply features an intelligent microprocessor that communicates directly with the host device, delivering ultra-clean, stable, and virtually noise-free power.

Optimized Power Delivery for Each 40 Series Component

With the 40 AMP: It reinforces the amplifier’s power rails, offloading the internal PSU to focus solely on the DAC section. This results in significantly improved transparency, dynamics, bass control, and harmonic richness—offering greater authority, timing accuracy, and musical engagement.

With the 40 CD: It powers the master clock and CD drive motors independently, reducing internal noise and improving disc reading precision. By separating the digital and analog DAC power supplies, jitter is reduced, yielding superior imaging, definition, and spaciousness.

With the 40 ST: It provides dedicated power to both the BluOS streaming module and the analog DAC, enhancing soundstage depth, micro-detail retrieval, and overall refinement.

Key Features

Intelligent power management with direct communication to host device

Digitally regulated multi-voltage outputs

Dramatic improvement in bass control, dynamics, and tonal precision

Fully compatible with Cyrus 40 AMP, 40 CD, and 40 ST components

Technical Specifications

Standby Mode: +5 V DC / 0 V

Fixed Operating Voltages: +5 V DC / +24 V DC

Regulated Variable Output: +10 V to +45 V DC

Unregulated Variable Output: +45 V or +56 V DC

Firmware Updates: via RJ45 Ethernet and mini USB

Dimensions: 88 × 220 × 365 mm

Weight: 9.4 kg

Cyrus 40 PSU: the essential upgrade for audiophiles seeking maximum sonic performance from the 40 Series.

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