Musical Fidelity M5xi Integrated Amplifier
In stock
Features
| XLR Inputs | No |
|---|---|
| Brand Color | None |
| Headphones Socket | No |
| Warranty The length of time your product is protected by warranty | 2 Years |
| Product Type | Other |
Tech Specs
Amplifier Output
- Continuous power (both channels driven, @1 % THD, 1 kHz): 160 W per channel (8 ohm)
- Continuous power (both channels driven, @1 % THD, 1 kHz): 240 W per channel (4 ohm)
- Continuous power (both channels driven, @0.09 % THD, 20 Hz–20 kHz): 140 W per channel (8 ohm)
- Continuous power (both channels driven, @0.09 % THD, 20 Hz–20 kHz): 210 W per channel (4 ohm)
- Peak power (both channels driven, @1 % THD, 1 kHz): 190 W per channel (8 ohm)
- Peak power (both channels driven, @1 % THD, 1 kHz): 320 W per channel (4 ohm)
- Output voltage: 36 V RMS (20 Hz–20 kHz, onset of clipping)
- Peak-to-peak voltage: 101 V
- Peak-to-peak current: 45 A
- Damping factor: 47 (8 ohm)
- Output devices: 2 pairs per channel
Line Input Performance
- THD+N: <0.009 % (20 Hz–20 kHz)
- Signal-to-noise ratio: >105 dB (A-weighted)
- Input impedance: 40 kohm
- Frequency response: +0 / –0.1 dB (10 Hz–20 kHz)
Inputs
- 4 x line level RCA inputs
- 1 x HDMI input
- 1 x coaxial input
- 1 x optical input
- 1 x phono input (MM/MC)
- 1 x USB Type-C (up to 24-bit / 192 kHz)
Outputs
- 1 x line level RCA (tape output, fixed level)
- 1 x line level RCA (preamp output)
- Speaker outputs: 2 pairs (4 mm banana plug)
- 1 x USB-A (5 V / 2 A power output)
- 1 x RS232 (D-sub)
- Trigger input and output
Phono Input
- Sensitivity (nominal): 3 mV (MM), 0.4 mV (MC)
- Gain: 40 dB (MM), 60 dB (MC)
- Signal-to-noise ratio: >87 dB (A-weighted)
- Input capacitance: 220 pF
- Input impedance: 50 kohm (MM), 1 kohm (MC)
- Frequency response: RIAA/IEC ±0.4 dB (20 Hz–20 kHz)
Power
- Mains supply: 115 / 230 V AC, 50/60 Hz (factory preset)
- Alternative supply: 100 V AC, 50/60 Hz
- Power consumption: 320 W (maximum)
Dimensions and Weight
- Dimensions (W x H x D): 440 x 100 x 405 mm
- Weight: 15 kg (unpacked)
- Weight: 18.5 kg (packed)
Description
The Musical Fidelity M5xi Integrated Amplifier represents a major evolution in high-end audio design, delivering remarkable realism and emotional engagement. Building upon the success of its predecessor, the M5si, this model introduces a completely reimagined architecture that brings it significantly closer to the brand’s flagship TITAN amplifier technology.
Every section, preamplifier, power amplifier, digital, and phono, has been redesigned to achieve superior sonic performance and versatility. The result is an amplifier that combines classic Musical Fidelity engineering with modern enhancements, offering exceptional clarity, power, and musicality.
Designed to meet the demands of contemporary audio systems, the M5xi provides a refined listening experience that captures both the detail and emotion of music with outstanding precision.
Advanced Amplifier Topology and Power Delivery
At its core, the M5xi features a newly developed amplifier topology derived directly from the legendary TITAN design. Configured as two independent monobloc power amplifiers sharing a single chassis, it delivers impressive power and control across a wide range of loudspeakers.
The low-distortion Darlington output stage eliminates crossover artefacts while maintaining minimal residual distortion, ensuring accurate and natural sound reproduction. With 160 watts per channel into 8 ohms and 240 watts into 4 ohms, the amplifier offers substantial current reserves and dynamic headroom.
This allows it to drive demanding speakers effortlessly while maintaining composure during complex musical passages. The result is a powerful yet refined performance that remains stable and controlled under all listening conditions.
Precision Preamplifier and Signal Integrity
The preamplifier stage of the M5xi has been meticulously engineered to deliver exceptional signal purity and low noise performance. Its advanced circuitry ensures minimal distortion across both low and high volume levels, preserving fine details and maintaining tonal accuracy. A high-quality Burr-Brown stepped attenuator replaces traditional potentiometers, providing superior channel matching and precise volume control.
This results in a stable stereo image, improved soundstage definition, and consistent performance across the entire dynamic range. The careful PCB layout further reduces circuit imbalances, allowing the amplifier to operate with minimal reliance on corrective feedback. Together, these refinements ensure a transparent and natural listening experience that faithfully reproduces the original recording.
Enhanced Phono Stage and Digital Integration
The M5xi offers a completely redesigned phono stage supporting both MM and MC cartridges, making it an excellent choice for vinyl enthusiasts. Improved shielding and circuit optimisation reduce noise and distortion, allowing the full character and nuance of vinyl recordings to shine through.
In addition to its analogue capabilities, the amplifier features a comprehensive range of modern digital inputs, including HDMI eARC, coaxial, optical, and USB-C connections supporting high-resolution audio up to 24-bit/192kHz.
Separate digital boards with dedicated linear power supplies minimise interference with the analogue circuitry, ensuring that digital sources maintain the same level of sonic integrity. This combination of analogue and digital versatility makes the M5xi suitable for a wide variety of audio systems.
Connectivity and System Flexibility
Designed for seamless integration into modern setups, the M5xi offers an extensive range of connectivity options. It includes multiple RCA line inputs, a home theatre bypass for integration with AV processors, and pre-out connections for bi-amping or adding a subwoofer.
A dedicated USB-A power output provides a clean and isolated power source for external streamers, enhancing their performance while simplifying system design. The inclusion of RS232 connectivity enables advanced system control and custom installation integration.
Additionally, the amplifier’s carefully designed digital circuitry minimises high-frequency interference, ensuring that all connected components perform at their best. This level of flexibility allows users to build sophisticated audio systems tailored to their specific needs.
Robust Construction and Engineering Excellence
The Musical Fidelity M5xi Integrated Amplifier is built to the highest standards, reflecting the brand’s commitment to quality and durability. Its heavy aluminium front panel and solid metal chassis not only provide a premium aesthetic but also serve as effective shielding against electromagnetic interference.
Internal components, including the transformer and power supply, are housed within a metal enclosure to further reduce noise and improve overall performance. This robust construction ensures long-term reliability while maintaining optimal operating conditions for all circuits.
Combined with a thoughtfully redesigned remote control for intuitive operation, the M5xi offers both exceptional performance and user-friendly functionality, making it a compelling choice for serious music enthusiasts.








































