We have a unique opportunity on one unit that is a Factory-Certified unit. This unit will carry a 5-year factory-certified warranty. Integrated Amplifier Effortless dynamics and tonal control,even with the most demanding loudspeakers Centerpiece The MOON 641 houses a preamplifier and a power Amplifier in a single chassis, built around a dual-mono layout rated at 125 W/8 Ω and 250 W/4 Ω. The MDCA circuit operates outside the signal path to reduce distortion without requiring global feedback, while M-VOL3 delivers precise and stable gain control at low levels. With a damping factor of 700, 109 dB SNR, and 2 Hz–90 kHz (+0/–3 dB) frequency response, the 641 provides measured control for a wide range of loudspeakers. The 4.3” color display helps with everyday operation and setup. Designed and assembled in Québec, it naturally takes the central place in a modern home audio system. Wholistic The 641 focuses on careful internal layout and vertical heatsinks for thermal and mechanical stability. Usability combines the 4.3” display, local controls, and MOONLink connectivity for easy coordination with other North Collection components. Standby options include a low-power mode (2.5 W) for everyday convenience. The rear panel provides line inputs, a line output, and clearly laid-out speaker terminals for neat wiring. The BRM-1 intelligent remote is included for direct control. Whether used on its own or paired with a dedicated source, such as the MOON 681, the 641 offers a precise and reliable experience aligned with North Collection design. Integrated Amplifiers Specifications Product features In the box User manual Design features MDCA – MOON Distortion-Cancelling Amplifier MOON Transistors Dual Mono Configuration M-VOL3 – 3rd Generation Improved Electronic Gain Control MOONLink 4.3’’ LCD Color Graphic Display Specifications Output Power (Stereo 8 Ω) 125 W Output Power (Stereo 4 Ω) 250 W Input Sensitivity 300 mV – 6 V Input Impedance 22 kΩ Gain 40 dB Frequency Response 2 Hz – 90 kHz (+0 dB / –3 dB) Crosstalk –109 dB Signal-to-Noise Ratio 109 dB Total Harmonic Distortion + Noise (@ 1 W) 0.008% Total Harmonic Distortion + Noise (@ 125 W) 0.003% Intermodulation Distortion 0.06% Damping Factor 700 Power Consumption (Idle) 38 W Power Consumption (Full Power Standby) 37 W Power Consumption (Low Power Standby) 2.5 W Shipping Weight 57.5 lbs / 26 kg Dimensions (width x height x depth) 18.95 x 4.03 x 18.32 in48.1 x 10.2 x 46.5 cm.
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