Musical Fidelity M2si review
The M2si integrated amplifier takes our peerless premium-amp experience and applies it to a more affordable price point. It boasts trickle-down technology from our mighty and legendary Titan flagship, plus other high-end touches such as solid metal controls. The M2si delivers 76 watts per channel into 8 ohms and 137 watts into 4 ohms. This means the M2si will drive a wide range of speakers, even power-hungry models.
Further flexibility is provided by the M2si’s excellent connectivity, which includes six line-level inputs and switchable home-theatre throughput. It features a Class A preamp stage with its own, independant power supply, coupled with a discrete pair of power amps. In effect, this means the M2si offers the performance benefits of a pre/power configuration with the compact convenience of a one-box design.
Its performance is rock-solid, it’s sonically well-rounded and it’s comfortable with a wide array of speakers. And it’s all served up in an elegant, no-nonsense package.
You’ll be searching in vain for a phono stage, let alone a headphone output or digital inputs. Even purist rivals, such as Rega Elex-R (£949) or its little brother the Brio (£599), do better by including good phono modules. While a cheaper alternative such as Audiolab’s 6000A (£599) gives you it all as far as features are concerned.
Of course there’s more to picking an amplifier than just the feature count. If the Musical Fidelity’s modest range of facilities is acceptable, as it will be for many people, you’ll find it an excellent product.
The M2si is well built, feeling more luxurious than any of the rivals mentioned above. Neat touches such as using solid metal for the controls rather than plastic really lifts the impression. The overall finish is impressive and we like the simple and clean-cut appearance.
It delivers a large-scale sound, one that’s packed with authority and substance. Listening to Orff’s Carmina Burana we’re aware of the M2si’s refinement and ability to deal with musical complexity without sounding stressed. It can track individual instrumental strands with ease yet never lose sight of the whole. That’s a rare talent at this level.
Power 60 Watts per channel into 8 Ohms (18dBW)
Voltage 22 Volts RMS, 20Hz to 20 kHz; onset of clipping
62 Volts peak to peak
Current 25 Amps peak to peak
Damping factor 36
Output devices 1 pair per channel
THD+N < 0.014 % typical, 20Hz to 20 kHz Signal / noise ratio > 96dB ‘A’-weighted
Input impedance 40 k Ohms
Frequency response +0, –0.1dB, 10Hz to 20 kHz
Line level inputs 6 pairs line level RCA connectors
Line level outputs 1 pair line level RCA connectors, constant level TAPE outputs
1 pair line level RCA connectors, preamp outputs for e.g. bi-amping
Speaker outputs 2 pairs 4mm banana plug/binding posts
Mains voltages 115/230VAC 50/60Hz (factory pre-set)
100VAC 50/60Hz (alternative)
Consumption 320 Watts maximum
Unit only, unboxed 9.2 kg (20¼ lbs)
In shipping carton 13 kg (30⅔ lbs)
Wide 440 mm (17⅓”)
High, including feet 100 mm (4”)
Deep (front to back) including terminals 400 mm (15¾”)
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