MOON 641 – High-end integrated amplifier from the North Collection

The MOON 641 by Simaudio is a high-end integrated amplifier engineered to become the ultimate heart of a modern reference hi-fi system. Part of the prestigious North Collection, the 641 combines a sophisticated analogue preamplifier section with a powerful dual-mono power amplifier stage, delivering refined musicality, outstanding loudspeaker control and true reference-grade construction quality.

Designed and manufactured entirely in Canada, the MOON 641 incorporates the proprietary MDCA (MOON Distortion-Cancelling Amplifier) technology, developed to dramatically reduce noise and distortion without relying on traditional global feedback. The result is an exceptionally natural, fluid and transparent sound presentation with a spacious and holographic soundstage.

The fully separated dual-mono internal architecture ensures outstanding channel separation and superior operational stability, allowing the amplifier to drive even demanding loudspeakers with authority. The MOON 641 delivers 125 watts per channel into 8 ohms and 250 watts per channel into 4 ohms, offering impressive dynamics, deep controlled bass and exceptional transient speed.

The sophisticated third-generation proprietary M-VOL3 volume control provides ultra-precise adjustments and perfect channel balance even at very low listening levels while fully preserving signal integrity and musical purity.

The mechanical design has been carefully engineered to minimise vibration and resonance through a highly rigid chassis, vertical heatsinks and carefully selected audiophile-grade components. A 4.3” full-colour graphic display and the intelligent BRM-1 remote control provide a modern and intuitive user experience.

Sonically, the MOON 641 delivers an exceptional balance between refinement and authority. Bass response is deep and controlled, the midrange is harmonically rich and textured, while treble remains detailed, smooth and completely natural. Soundstage depth, imaging precision and micro-detail retrieval are among the finest in its category.

Intentionally designed without an internal DAC or streamer, the MOON 641 is a pure analogue integrated amplifier created for audiophiles who demand maximum sonic performance and complete freedom when selecting digital and analogue source components.

Key Features

• Pure analogue high-end integrated amplifier
• Part of the prestigious MOON North Collection
• Proprietary MDCA technology
• Fully separated dual-mono configuration
• 125 W per channel into 8 Ω
• 250 W per channel into 4 Ω
• M-VOL3 analogue volume control
• Balanced XLR and line-level RCA inputs
• 4.3” full-colour graphic display
• MOONLink multi-component integration
• BRM-1 intelligent remote included
• High-end construction Made in Canada

Technical Specifications

• Type: stereo integrated amplifier
• Configuration: dual mono
• Power output into 8 Ω: 125 W per channel
• Power output into 4 Ω: 250 W per channel
• Amplifier technology: MDCA MOON Distortion-Cancelling Amplifier
• Volume control: third-generation M-VOL3
• Analogue inputs: 4 x RCA, 1 x XLR
• Outputs: 1 x RCA line/pre-out
• Input impedance: 22 kΩ
• Input sensitivity: 300 mV – 6 V
• Gain: 40 dB
• Frequency response: 2 Hz – 90 kHz (+0 / -3 dB)
• Signal-to-noise ratio: 109 dB
• THD + Noise: 0.008% @ 1 W / 0.003% @ 125 W
• Intermodulation distortion: 0.06%
• Damping factor: 700
• Display: 4.3” full-colour graphic LCD
• Low-power standby consumption: 2.5 W
• Dimensions: 48.1 x 10.2 x 46.5 cm
• Weight: 26 kg
• Manufacturing: Made in Canada

The MOON 641 is an integrated amplifier designed for demanding audiophiles seeking a pure analogue electronic component capable of delivering transparency, dynamics and loudspeaker control at the very highest level of contemporary high-end audio.