SKU: 66797187384

Musical Fidelity M6si500 - Integrated Amplifier

Sale price$2654.55 Regular price$2949.50
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Description

Musical Fidelity M6si500 - Integrated AmplifierThe M6si500 is a very high performance, high powered super integrated amplifier. Twenty five years ago, the Musical Fidelity A1000 started the complete super integrated amplifier genre. Over the last two and half decades we have continued to refine our original concept. The M6si500 offers a comfortable 500 watts per channel, incredible load driving ability, outstanding technical performance and solidly engineered build quality. This remarkable

The M6si500 is a very high performance, high powered super integrated amplifier. Twenty-five years ago, the Musical Fidelity A1000 started the complete super integrated amplifier genre. Over the last two and half decades we have continued to refine our original concept.

The M6si500 offers a comfortable 500 watts per channel, incredible load driving ability, outstanding technical performance and solidly engineered build quality. This remarkable integrated amp will drive any loudspeaker virtually perfectly and to its maximum potential.

It has five inputs: 4 x line and 1 x balanced XLR.

Listening to the M6si500 is a sensuous experience. It produces an effortless, silky sound with huge dynamics. The sound stage is broad and deep. Even if you aren’t in the market for an amplifier at this level, you should listen to it to better understand why it is generating such enthusiasm.

M6si500 In Brief

  • 500WPC
  • Fantastic technical performance
  • Amazing load driving ability, will drive any loudspeaker with ease
  • Five inputs - Balanced XLR, CD, Tuner, Aux / HT, Tape
  • Preamp and fixed line outputs
  • Home Theatre bypass
  • Internally it is a separate preamp with two independent monobloc power amps; effectively a separates system in a box
  • Excellent, he-man build quality

 

The M6si500 offers prodigious power – 500 Watts per channel into 8ohms – but there's so much more to it than muscle.

The M6si500 has a high-quality metal build that gives it both distinctive style and a solid performance platform. The front panel is a bespoke, fine-line extrusion of military-grade aluminium, while the heatsinks are also custom-made for outstanding dissipation plus a fine finish.

We have engineered the M6si500 as a genuine dual-mono design. Each power amp section has its own heat sink and separate transformer, while the preamp has its own power-supply winding.

The five input sockets are connected directly to the main preamp circuit board, instead of using wire connections. This ultra-short signal path ensures ultra-low impedance from the instant sources feed into the M6si500.

Meanwhile, each channel has 12 big bipolar transistors; 200 amps peak-to-peak performance is readily available.

In addition, a precision digital volume control – using laser-trimmed substrate resistors - ensures perfect tracking right down to very low listening levels.

Such attention to detail delivers stellar technical performance. For example, distortion levels are remarkably low – around 0.008% at 1kHz and 0.015% at 20kHz, and only marginally rising to 0.02% at ultra-high frequencies of 30-50kHz. Signal-to-noise ratio is also minimal.

The M6si500 has remarkable linearity and consistency, enabling it to drive any speaker with ample power reserve. It sounds effortless, fluid and dynamic: the way the very best amplifiers should.

 

M6si500 - Specifications

Amplifier

  • Power output: 500 Watts per channel into 8 Ohms (27dBW)
  • THD(+ noise): <0.01% typical, 20Hz to 20 kHz
  • Signal to Noise Ratio: >100dB ‘A’-weighted
  • Frequency Response: +0, –0.1dB, 10Hz to 20 kHz

Inputs

4 x line level RCA / phono (1 with home theatre bypass)

Outputs

  • 1 x RCA pre out
  • 1 x RCA fixed out

General

  • Dimensions - WxHxD (mm): 440 x 160 x 460
  • Weight (unpacked / packed): 30kg/ 35kg
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 66797187384

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Heidi
Whiting, US
★★★★★ 5
Excellent
Color: 3PC-Bacon-Brown, Pattern Name: Tough Dog Toys
Truly are fantastic! Dogs love these and they last forever
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Reviewed in the United States on May 23, 2026
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Tira
New York, US
★★★★★ 5
Dog is Happy!
Color: 3PC-Peanut Butter-Green, Pattern Name: Tough Dog Toys
My dog likes the bones, especially because they are peanut butter-flavored. The bones are very strong and well-made, so they are good for heavy chewers. By the way, these bones are very large for big dogs only!
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Reviewed in the United States on May 15, 2026
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Randy H.
West Palm Beach, US
★★★★★ 5
They last for months
Color: 3PC-Bacon-Brown, Pattern Name: Tough Dog Toys
This is my second order of this product. I have 2 medium size dogs and they love them. The nice thing is a 3 pack of these is that they will last them for a few months.
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Reviewed in the United States on June 9, 2026
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Kirsten Kramer
Whiting, US
★★★★★ 4
Bones
Color: 3PC-Bacon-Brown, Pattern Name: Tough Dog Toys
Great product but my dogs don't seem to be interested
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Reviewed in the United States on May 2, 2026
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CMT
Dallas, US
★★★★★ 5
Indestructible
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Finally found a chew bone strong enough for our pit mix, would highly recommend for an agressive chewer! Will buy again
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Reviewed in the United States on June 12, 2026

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