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Musical Fidelity M6si Hi-Fi Amplifier

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The new M6si integrated amplifier improves on the outgoing M6i model with more inputs and completely new internals to give greatly improved technical and sonic performance

The M6si has real high-end sound quality. Because of its power it is effortless and unstressed. Its stability margins are huge so it will drive any loudspeaker easily. These are only the bedrock for what the M6si really does: sounding fantastically musical. Because of its pre amp/power amp configuration it produces wide stable images with an effortless, clear, ungrainy sound quality. Bottom end is delivered with a vast punch and speed of attack.

All in all the M6si offers true high-end sound quality, an extensive range of useful inputs, a compact package, reliability and a fair price.

We felt that the original M6i's package size, power and price were spot on. What was needed was the addition of extra input facilities and, if possible, an all round improvement of technical performance. By the way, despite endless component price rises during the M6i's life, we didn't alter its selling price. This made our final requirement even harder; the M6si should not be significantly more expensive than the outgoing model.

First we determined to use Musical Fidelity's exclusive SMD layout techniques. This reduced the size of the circuit's footprint and gave us greatly increased flexibility with internal layout. Consequently the new M6si is configured as a pre amp with two completely separate and independent monobloc power amps. The M6si is a proper pre amp with its own separate regulated power supply and discrete monobloc power amps, sharing same casework. This is a big change from the outgoing M6i. The M6si's technical performance is a significant advance on the old model.
Performance

The M6si performs immaculately. Because of its pre amp with two monobloc power amp configuration both channels perform virtually identically, just what you would expect from a pre amp with separate power amps and not what you would expect from a normal integrated amplifier. The M6si is a cut above everything else.

Distortion is very low at less than 0.005%. More tellingly, HF distortion is incredibly low. At 10 kHz about 0.006% and at 20 kHz an astonishing 0.007%.

The vast majority of amplifiers suffer huge increases in distortion as you go up in frequency. The M6si's meticulous PCB and circuit design means that HF performance is virtually identical to the LF performance. This is significant for sound quality.

Channel separation is remarkable, and remarkably consistent. Most amplifiers (integrated or pre/power) have dramatically worsening cross talk with increasing frequency. The M6si cross talk is outstanding and even at 20 kHz it is better than 82dB.

The phono stage is also special. It has very accurate RIAA, within 0.5dB from 20 Hz to 20 kHz. Also it maintains its accuracy right out to 50 kHz. The MM noise ratio is an outstanding 93dB down whilst the MC stage is, perhaps even more amazingly, about 87dB down. The phono stage distortion is a very low 0.01%. All in all the M6si's phono stage is exceptional.
USB Input

The 24 bit 96 kHz asynchronous USB input uses exactly the same circuitry and technology as our highly regarded V-Links and other top quality computer interfaces. Jitter is virtually eliminated. Noise is incredibly low and distortion virtually
non-existent. The M6si's USB input is capable of dredging the finest details from the computer source.

M6si - Specifications

Amplifier

  • Power output: 220 Watts per channel into 8 Ohms
  • THD (+ noise): <0.007 % typiclal 20Hz - 20 kHz
  • Signal to Noise Ratio: >107dB 'A' - weighted
  • Frequency Response: +0, –0.1dB, 10Hz to 20 kHz

Inputs

  • 4x Line Level RCA / Phono
  • 1x Line Level XLR Balanced
  • USB input - type “B” socket up to and inc. 24 bit 96kHz USB audio stream

Phono Input

  • Sensitivity: 3mV nominal (MM), 0.4mV nominal (MC)
  • Signal / noise ratio: >84dB ‘A’-weighted
  • Input impedance: 47k Ohms (MM and MC)
  • Frequency response: RIAA/IEC ±0.5dB 20Hz-20kHz

General

  • Dimensions - WxHxD (mm): 440 x 125 x 400
  • Weight (unpacked / packed): 16.6 kg/ 21.3 kg

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We offer FREE delivery to the mainland UK (excluding Channel Islands, Isle of Man, Isle of White, Isles of Scilly, and some of the remote Scottish Isles).

For other areas please contact us for a quote. Select items can be delivered internationally by prior agreement. Again please contact us for a quote. We will always do our best to help.

Our aim is to dispatch goods within 2 working days of an order being placed. Please allow 5 working days from the time of your order to receipt of item. If an order is expected to take longer than this our order fulfillment department will contact you to inform you of this.

Where multiple items are ordered, we will dispatch them all in one package. If you have ordered any special or customized items, or items otherwise not immediately available, we will dispatch the order when all items are available. If you have any concerns regarding this, please contact us and we will do are very best to help you.

Musical Fidelity M6si Hi-Fi Amplifier




Nintronics offers generous trade in prices to help make your next upgrade as seamless as possible, while greatly reducing the overall price of your purchase. Depending upon the items involved, Nintronics will be happy to send out one of our nationwide installation engineers to collect your traded in items and unbox, setup and calibrate your new equipment.

Musical Fidelity M6si Hi-Fi Amplifier

"Please include age, condition, make, model and serial numbers of the units you wish to trade in. Please note if you have the original accessories, boxes, invoice etc... This will help with increasing your trade in value."




Nintronics Ltd, Unit 7, Martinfield Business Centre, Welwyn Garden City, AL7 1HG
Tel: 01707 320788 Email: sales@nintronics.co.uk

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