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Cyrus Power-XR: High-End Stereo Power Amplifier with Optional PSU-XR Upgrade
The Cyrus Power-XR is a reference-grade stereo power amplifier engineered to deliver musical fidelity at its highest level within the XR ecosystem. Designed for precision, speed, and ultra-low noise, it reproduces the musical signal with striking accuracy, offering a soundstage that is natural, refined, and unmistakably Cyrus.
Wideband Amplification for Maximum Transparency
With a frequency response that spans from DC to over 100 kHz, the Power-XR maintains a flat, phase-accurate response throughout the audible range. Its ultra-fast amplifier architecture ensures it can drive demanding loudspeakers with authority, dynamic control, and pinpoint precision.
High-Capacity Power Supply with PSU-XR Compatibility
Powered by a 408 VA toroidal transformer, the internal power supply delivers a clean and stable energy flow. For even higher performance, the PSU-XR external power supply can be connected via a dedicated port. When used together, five independently regulated power lines supply the gain and output stages separately, improving headroom, dynamics, and fine detail resolution.
Solid, Timeless Design
The Power-XR retains Cyrus’s iconic die-cast aluminum chassis, hand-finished with a durable matte coating for mechanical strength and lasting elegance. This design offers superior electromagnetic shielding and provides a rock-solid platform for the high-performance circuitry within.
Key Specifications
Output Power:
• 2 × 87 W into 8 Ω
• 2 × 110 W into 6 Ω
• 2 × 144 W into 4 Ω
THD+N: < 0.002% (1 kHz, 2/3 power, 6 Ω).
Input Sensitivity: 450 mV (RCA) / 900 mV (XLR).
Input Impedance: 28 kΩ.
Frequency Response: <0.5 Hz – >50 kHz (–3 dB).
Signal-to-Noise Ratio: >100 dB (unweighted).
External PSU Compatibility: Cyrus PSU-XR.
Dimensions: 215 × 73 × 360 mm.
Weight: approx. 6.2 kg.
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