VSystem

The M3si integrated amplifier delivers high-quality sound, an extensive range of useful inputs, and high reliability, all in a compact size and at a fair price. With a robust 85 watts per channel, the M3si can drive a wide variety of suitable loudspeakers.

Performance and Inputs

The M3si features inputs for phono (MM), four line-level inputs, and a USB 'B' input supporting up to 24-bit/96kHz. Its sound is effortless, clear, and sweet, projecting wide and deep images with ample power to deliver an excellent dynamic range. The M3si is unconditionally stable and can drive any suitable loudspeaker with ease.

Quality and Value

Although it is the lowest-priced amplifier from Musical Fidelity, the M3si embodies the brand's hallmark values of uncoloured, stress-free sound, outstanding technical performance, and great value for money.

Features

• 85 watts per channel (WPC)
• Excellent technical performance
• Preamp output
• Unconditional stability, capable of driving any loudspeaker
• Wide range of useful inputs including asynchronous USB and MM phono
• High-quality build and convenient size

Technical information

Amplifier

• Power output: 85 Watts per channel into 8 Ohms
• THD(+ noise): <0.014 % typical, 20Hz to 20 kHz
• Signal to Noise Ratio: >98dB ‘A’-weighted
• Frequency Response: +0, –0.1dB, 10Hz to 20 kHz

Inputs

• 4x Line Level RCA / Phono
• 1x USB type ‘B’ connector - Asynchronous data stream at up to 24-bit/96kHz
• 1x MM Phono input

Phono Input

• Sensitivity (nominal): 3mV (suitable for cartridges giving 1.5mV or more including high output MC types)
• Signal / noise ratio: >70dB ‘A’-weighted
• Input impedance: 50k Ohms
• Frequency response: RIAA/IEC ±1dB, 20Hz to 20 kHz

General

• Dimensions - WxHxD (mm): 440 x 100 x 400
• Weight (unpacked / packed): 9.2 kg/ 13 kg