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Musical Fidelity M3si Integrated amplifier

Product Code:  m3si-s
Product Brand:  Musical Fidelity
Product Condition:  New
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£1,099.00  
Musical Fidelity M3si stereo integrated amplifier

The M3si integrated amplifier makes huge strides from the outgoing M3i model.  More inputs, increased power and virtual monobloc power amps with their own separate power supply capacitance add up to a great new product.

The M3si offers a real taste high-end sound quality.  Because its power has increased significantly and it now has more than double the capacitance, it gives wide, stable and deep stereo images with a substantial dynamic range.  More than that, the M3si offers a sweet musical sound with an effortless, clear, ungrainy quality.  Because of the virtual mono power amp configuration with increased capacitance, the bottom end is delivered with punch and excellent speed of attack.

The M3si uses Musical Fidelity’s exclusive SMD layout techniques.  This reduced the circuit’s footprint on the large PCB and gave us greatly increased flexibility with the layout and the ability to add more inputs and, importantly, power amp power supply capacitance.  Now there is a pair of big power supply capacitors for each channel.  Power is a generous @ 85 wpc.

The new M3si now delivers a healthy 85 wpc.  Distortion at 1 kHz is very low at 0.007%.  Even at 10 kHz it is hovering around 0.01%.  Most hi-fi amplifiers have a huge increase of distortion with rising frequency.  To us this shows that the whole circuit design/layout concept is not good enough.  The M3si’s very low HF distortion proves that the layout circuit and circuit design are operating in perfect harmony so that there is low distortion at HF.  We believe this validates the performance and integrity of the whole design.

Signal noise ratio has been improved by more than 3dB.  This is a significant step which allows more music to be heard with a greater dynamic range and excellent channel separation.

  M3si In Brief
  • 85WPC
  • Excellent technical performance
  • Preamp output
  • Unconditional stability, will drive any loudspeaker
  • Wide range of useful inputs
  • including asynchronous USB and MM phono
  • Excellent build quality and convenient size
  M3si - Specifications 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


 

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