MUSICAL FIDELITY M6 PRE AND M6 PRX AMPLIFIERS REAPPEAR IN RANGE

Posted on 21st November, 2018

MUSICAL FIDELITY M6 PRE AND M6 PRX AMPLIFIERS REAPPEAR IN RANGE

The M6 series is one of Musical Fidelity's most popular product lines, the M6si has been part of the SNUK test rig since its release. However, the range has not featured a separate pre/power amplifier solution for a while. Audio Tuning, the new owners of the brand, have ordered the re-introduction of the hugely popular M6 PRE and PRX models.

The Musical Fidelity M6 PRE and PRX are powerful high-end components that combine the Musical Fidelity sound signature with a range of features and technical specifications that make them an enticing proposition.

M6 PRE

The M6 PRE (£1,899) is a fully balanced pre-amplifier, from beginning to end. Many pre-amps claim to be balanced but in fact are single ended preamps with balanced inputs and balanced outputs. However, the M6 is the real deal.

Boasting pure Class A circuitry with Surface Mount Devices (SMD), the company states you get very low distortion, minimal phase shift, low noise and excellent linearity. Similarly, the low impedance output stages (both single-ended and fully balanced) will drive any power amp through any conceivable length of cable, for absolute reliability in performance.

The M6 PRE features a wide range of inputs, making it the ideal system hub for any high-end system. With a brace of balanced XLR inputs and four unbalanced RCA inputs, the pre-amplifier also features a built-in asynchronous USB DAC capable of 24-bit/96kHz audio playback, and a switchable MM/MC phono stage. There is also the added convenience of a switchable RCA input for Home Theatre bypass.

Additionally, the M6 PRE offers both RCA and XLR outputs to connect a power amplifier. There is also a fixed Tape loop for other system solutions.

Musical Fidelity M6 PRE and M6 PRX amplifiers

M6 PRX

The M6 PRX (£2,599) is a fully-balanced dual-mono power amp that will drive any speaker with ease thanks to its 230 per-channel output (8 Ohms), delivering a detailed soundstage that will surely impress.

The M6 PRX employs Musical Fidelity's exclusive dual-mono, fully complementary, bifilar choke regulation system. Choke regulation is a concept taken from classic tube amplifier designs but is rarely used with transistor amplifiers. The implementation has huge power supply benefits, including a dramatic reduction in “sawtooth” power supply noise, and an effective mains noise filtration system. The dual mono, bifilar choke regulation system is unique to Musical Fidelity and has been in use by them since 1987.

The M6 PRX's audio circuitry is based on the classic Titan power amplifier design and sports eight output transistors per channel. Musical Fidelity tells us that the main characteristics of the M6 PRX include extremely low wide-band distortion, low output impedance, excellent load driving, huge stability margins and very high peak current delivery.

The M6 PRX is easy to integrate thanks to its switchable XLR and RCA inputs, and it can easily be partnered into a bigger system via the RCA Loop output.

Price and availability

  • M6 PRE: £1,899
  • M6 PRX: £2,599
  • M6 PRE / PRX Bundle: £4,000 (save £498)

The M6 PRE and M6 PRX will be available across the UK from December 2018. Available in either Black or Silver finish.

For more information, head on over to Musical Fidelity.

Technical Information

M6 PRE Pre-Amplifier

  • Output Voltage: 9.5V (RCA) / 19V (XLR) Output Voltage Peak-to-Peak: 26V (RCA) / 52V (XLR)

  • THD 20Hz – 20kHz (Line-In): < 0.005% (RCA) / 0.004% (XLR) Typical

  • Signal to Noise Ratio: > 96dB ‘A'-weighted Frequency Response: +0, -1dB, 10Hz bias 80 kHz Inputs: 4 x RCA (Line Level)

  • 2 x XLR (Line Level)

  • 1 x USB (Type B, up-to 24-bit 96kHz asynchronous USB streaming) 1 x Phono Input (MM & MC)

  • Phono Input Sensitivity: MM & High Output MC: 3.5mV

  • MC: 0.44mV

  • Phono Signal-to-Noise Ratio: > 81dB ‘A'-weighted Phono Input Impedance: 47kOhms (MM & MC)

  • Phono Frequency Response: RIAA/IEC ±0,5dB, 20Hz to 20 kHz Outputs: 1 x XLR Pair Pre-Out

  • 1 x RCA Pair Pre-Out 1 x Tape (RCA Pair)

  • Dimensions (W x H x D): 440 x 126 x 400mm Weight (net / gross): 11.4kg / 16.0kg

  • Power Consumption: 15W max.

  • Accessories: Remote Control, Mains Cable IEC (10-A)

M6 PRX Power Amplifier

  • Rated Power Output: 230W per-channel (8 Ohms) Output Voltage: 43V (without clipping)

  • Current (Peak-to-Peak): 140A

  • Damping Factor: 210

  • THD: < 0.007 % Typical, 20Hz to 20 kHz (Line-In) Signal-to-Noise Ratio: > 120dB ‘A'-weighted

  • Frequency Response: +0, –0.1dB, 10Hz to 100 kHz Inputs: 2 x RCA Pair

  • 1 x XLR Pair

  • Loop-Out: 1 x RCA Pair

  • Dimensions (W x H x D): 440 x 125 x 390 mm Weight (net / gross): 19.7kg / 24.4kg

  • Power Consumption: 750W Max. / 0.5W Standby Accessories: Mains Cable IEC (10-A)

Gallery

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Jay Garrett

StereoNET UK’s Editor and Bass playing gadget junkie. He’s captained the good ship GadgetyNews for over a decade, making low jargon high tech a very handy thing. His passion for gadgets and Hi-Fi is second only to being a touring musician.

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Posted in: Hi-Fi
Tags: musical fidelity  henley audio 

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