Musical Fidelity M6SI500
Image source — © Musical Fidelity
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Model name
M6SI500
Type
Integrated Amplifier with Phono
Analog inputs (balanced)
1
Analog inputs (single-ended)
1
Input sensitivity (mV)
N/A
Input impedance (balanced) (Ω)
N/A
Input impedance (single-ended) (Ω)
N/A
Output impedance (balanced) (Ω)
N/A
Output impedance (single-ended) (Ω)
N/A
D/A conversion
N/A
Phono MM/MC current-sensing input impedance (Ω)
N/A
Output power (8Ω) (W)
500
Output power (4Ω) (W)
N/A
Gain (dBu)
N/A
Frequency response low +/- 3dB (Hz)
10
Frequency response high +/- 3dB (Hz)
20 000
Signal to Noise Ratio (dB)
>100
Total Harmonic Distortion + Noise (%)
<0.01
Damping factor
N/A
Dimensions (mm)
440 x 160 x 460
Weight (kg)
30
Official link
The Musical Fidelity M2si provides 72 watts per channel at 8 ohms and 137 watts at 4 ohms. This means that the M2 si will drive a wide range of speakers, even models with high power consumption. The fully discrete power amplifier, complemented by its dedicated power supply and lavishly designed toroidal transformer, guarantees reserves for proper peak power and wide dynamic range.
The device is made according to the classical "double mono" scheme, which ensures the identity of the characteristics of the left and right channels. The level of its nonlinear distortion, measured at a frequency of 1 kHz, does not exceed 0.007%, and at a frequency of 10 kHz it is only 0.01%.
The Musical Fidelity M5si integrated circuit is a representative of the M5s line. In terms of ideology, design and basic indicators, it is closer to the M6si than to the budget M3si. And although this model does not use nuvistors, the company positions it as the successor to the flagship Nu-Vista 800.
Internally, the M6si is configured as 2 independent monoblock power amplifiers with a separate preamp. In fact, it's a preamp with 2 monoblock power amplifiers that just happen to share the same case. It uses technology taken from our legendary 1kW TITAN power amplifier. And the combination of high power, high current and exceptional stability of the M6 means that it can easily control any speaker.
The Musical Fidelity M6cd integrated amplifier is built according to a three-block circuit consisting of two identical power amplifiers and a monoblock preamp. The power amplifiers and the preamp unit are powered from separate sources with powerful filtering capacitors. Despite the monoblock design of the preamp, engineers have taken special measures to ensure maximum identity of the characteristics of the left and right channels.