Musical Fidelity M6si Integrated Amplifier

Musical Fidelity M6si Integrated Amplifier

$5,100

Musical Fidelity M6si Integrated Amplifier – High-End Audio Excellence at Len Wallis Audio
Key Features
  • 220 watts per channel into 8 ohms with unconditional stability to drive any loudspeaker.
  • Internally configured as a separate preamp with two independent monobloc power amps for superior audio quality.
  • Features 4x RCA, 1x balanced XLR, MM/MC phono, and asynchronous USB (up to 24-bit/96kHz) inputs.
  • THD below 0.005% with high-frequency distortion as low as 0.007% at 20kHz for pure sound.
  • Offers accurate RIAA correction (±0.5dB, 20Hz–20kHz) and outstanding noise ratios (MM: >84dB, MC: >78dB).
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Experience true high-end audio with the Musical Fidelity M6si Integrated Amplifier, a masterpiece of engineering designed for hi-fi enthusiasts who demand uncompromising sound quality and versatility. Delivering 220 watts per channel with exceptional load-driving capability, this amplifier effortlessly powers any loudspeaker, making it the perfect heart of your home stereo system. With its advanced internal design and extensive input options, the Musical Fidelity M6si Integrated Amplifier offers a musical, effortless sound that brings your music to life with stunning clarity and depth.


The Musical Fidelity M6si Integrated Amplifier redefines what an integrated amplifier can achieve, featuring a unique internal design that combines a separate preamp with two independent monobloc power amps within a single chassis—essentially a separates system in one box. This configuration, enhanced by Musical Fidelity’s exclusive SMD layout techniques, ensures virtually identical performance across both channels, delivering exceptional channel separation (better than 82dB at 20kHz) and a frequency response with minimal deviation (+0, –0.1dB, 10Hz–20kHz). With distortion below 0.005% and high-frequency distortion as low as 0.007% at 20kHz, the M6si maintains clarity across the audio spectrum. Its wide range of inputs—including 4x RCA line, 1x balanced XLR, a switchable MM/MC phono stage, and asynchronous USB (up to 24-bit/96kHz)—makes it a versatile hub for your hi-fi audio system, while the preamp output adds flexibility for future expansion.

For hi-fi enthusiasts, the Musical Fidelity M6si Integrated Amplifier offers a transformative listening experience, making it a cornerstone of a good sound system. Its 220 watts per channel ensures effortless power delivery, driving even the most demanding loudspeakers with ease, while its huge stability margins guarantee reliability. The exceptional phono stage, with accurate RIAA correction (±0.5dB, 20Hz–20kHz) and impressive noise ratios (MM: >84dB, MC: >78dB), brings your vinyl collection to life with rich, detailed sound. Whether you’re spinning records, streaming via USB, or playing from a CD player, the M6si produces a wide, stable soundstage with an ungrainy, musical quality—delivering deep, punchy bass and crystal-clear highs. This amplifier elevates your home stereo system, offering a sound that’s both effortless and captivating, perfect for long, immersive listening sessions.

Technical Specifications
  • Power Output: 220 watts per channel into 8 ohms
  • Total Harmonic Distortion (THD): <0.005% (20Hz–20kHz), 0.007% at 20kHz
  • Signal-to-Noise Ratio: >107dB (‘A’-weighted)
  • Frequency Response: +0, –0.1dB (10Hz–20kHz)
  • Channel Separation: >82dB at 20kHz
  • Inputs: 4x RCA line level, 1x balanced XLR, 1x MM/MC phono (MM: 3mV nominal, MC: 0.4mV nominal, 47k ohms impedance), 1x USB-B (up to 24-bit/96kHz), 1x trigger in
  • Outputs: 1x trigger out
  • Phono Stage: MM S/N >84dB, MC S/N >78dB (‘A’-weighted), RIAA/IEC ±0.5dB (20Hz–20kHz)
  • Dimensions: 440 mm (W) x 125 mm (H) x 400 mm (D)
  • Weight: 16.6 kg (unpacked)

Since 1978, Len Wallis Audio has been a trusted name in hi-fi stores, dedicated to delivering exceptional audio solutions to enthusiasts and casual listeners alike. With over four decades of expertise, we pride ourselves on curating the finest hi-fi audio equipment, ensuring you experience sound as it was meant to be heard. At Len Wallis Audio, we’re not just about selling products—we’re about creating unforgettable listening experiences.

Don’t miss the chance to power your hi-fi setup with the Musical Fidelity M6si Integrated Amplifier, a perfect addition to any hi-fi stereo sound system. Ready to experience true high-end audio with effortless power and musicality? Contact our expert team at Len Wallis Audio today for personalised advice and to arrange a demonstration. Let us help you build the hi-fi audio system of your dreams with the Musical Fidelity M6si Integrated Amplifier—your ears will thank you!

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