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Musical Fidelity M6x 250.7
M6x 250.7 - Overview
You listen to CDs or stream music without picture, but have you ever watched a movie without sound? The sound of a movie carries a significant part to deliver emotions and tell stories. Silence is as important as bombastic loudness. Sound designers use sound effects, foleys and music to enhance your experience. A soundbar can never reproduce a real cinema feeling. The M6x 250.7 will take your home cinema to the next level.
The Full Cinematic Experience
For many people, the cinema is just a place with a big screen and expensive snacks - but there is more, which is usually not visible at all: The surround-sound-system. It all started with a simple three speaker setup in the 1980s and evolved to object based systems with up to 20 speakers. With the new M6x 250.7 you can easily create a powerful 7.1 home cinema setup (your active subwoofer is powered separately). You can connect your preamplifier/AV processor with either RCA or fully balanced XLR cables. The XLR connection furthermore enhances the sound quality and keeps the signal transmission clean.
The Musical Fidelity M6x 250.7 will not only satisfy you with its sound quality, but also with the high quality metalwork and overall clean look. The front panel, in either black or silver finish, is a custom-made fine line aluminium extrusion.
Connection
The M6x 250.7 offers a gold-plated RCA and a balanced XLR input per channel. If you have XLR outputs on your preamp, we always recommend using a balanced connection. This kind of signal transmission leads to increased dynamics, less noise and improved signal-to-noise ratios. If you need the same signal on multiple inputs for e.g., bi-amping, you can use the gold-plated RCA through output and distribute the signal to the next input. The gold-plated isolated speaker output terminals accept 4 mm Banana plugs, spades connectors or naked wire. The trigger in-/output allows you to turn the device on/off via other components.
Power
Our new multichannel amplifier is built modular with one 250W class A/B amplifier stage per channel. We designed our amplifier to sound highly natural by keeping all transients and micro information. The super silent audiophile power transformer distributes clean power, which results in a high dynamic range and a detailed sound stage. This is a major feature for a home cinema amplifier. The M6x 250.7 is able to preserve all the details and emotion, no matter which volume. Due to the sophisticated heat sink design, the M6x 250.7 does not need a fan to keep the amplifier cool. Despite its big power, you will never hear any fan noise coming from the amp.
M6x 250.7 In Brief
- 250 watts per channel for each of its 7 channels
- Excellent technical Musical Fidelity performance finally available for home theater enthusiasts
- Amazing load driving ability, unconditional stability will drive any loudspeaker
- RCA and balanced XLR inputs
- Through Out for bi-amping
- Trigger In/Out for seamless home theater integration
- Complete silent operation, no active cooling elements
- Excellent, massive and clean build quality
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Musical Fidelity M6x 250.7
Musical Fidelity's M6x 250.7 is a seven-channel powerhouse built for cinematic weight and musical finesse. Delivering 7x250W/4Ω (peak 400W) per channel with >300 damping and 0.003% THD+N, it combines authoritative, extended bass and nimble dynamics that reviewers found both room‑shaking and detailed. HiFi News and Audiophilepure highlighted the amp's headroom, transient control and stable imaging, while Fidelity Magazine praised its fanless thermal design and flexible XLR/RCA connectivity. The all‑metal chassis, gold‑plated binding posts and per‑channel RCA outputs support bi‑amping or multizone use. Ideal for 7.1 home cinemas, bi/tri‑amping two‑channel systems or multiroom installs, the M6x 250.7 pairs high build quality with practical connectivity and represents compelling value for buyers prioritising raw power and transparency.
Pros
- Exceptional headroom and dynamics with extended, authoritative bass that drives large speakers and home‑cinema setups.
- Fanless thermal design and solid build—an all‑metal chassis with large toroidal transformers delivers quiet operation and robust construction.
- Practical connectivity: balanced XLR and gold‑plated RCA inputs, seven speaker terminals and per‑channel RCA outputs for easy bi‑amping or multizone deployment.
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Cons
- No channel‑bridging option, so channels cannot be combined to increase power per pair for bridged stereo configurations.
- Input selection between RCA and XLR is cable‑dependent (no front‑panel toggle), which can be inconvenient for users switching sources.
- A slight forward/bright character was noted on certain distorted guitar passages, which may be audible with some recordings.
Sound Quality
91/100
Dynamics
92/100
Reviewers repeatedly praised the amp's headroom and driver authority: HiFi News called its speaker-driving ability 'formidable' and highlighted 'imperious, extended bass' and nimble response. Audiophilepure also noted a 'welcome nimbleness' that belied its bulk, and the spec sheet (7x250W into 4Ω, >300 damping factor, large PSU) supports strong transient control and current delivery. Given Class A/B topology at 250Wpc and multiple reviewers praising headroom and slam, this rates in the excellent-to-exceptional band for dynamics.
Soundstage Imaging
89/100
Imaging is precise and stable: HiFi News reported well-marshalled players with convincing instrument placement and vocals that 'floated free', while Audiophilepure described a live, immersive presentation. The amp doesn't create an especially wide stage but nails depth and layering, making it strong for multichannel and music listening where placement and separation matter.
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Build Quality
90/100
Construction is robust: reviewers note an all-metal chassis, thick bevelled aluminium faceplate and large, silent audiophile transformers; design uses heatsinks so it operates fanless per the press material. The weight (~32.5kg) and spec'd high-capacity PSU and >300 damping factor reflect solid internal engineering. It is a multichannel chassis (not mono blocks) but still shows high-end build and thermal design.
Value for Money
90/100
Multiple reviews highlight strong value: HiFi News cites 'bang-for-your-buck (or watts-per-pound) potential' and notes the M6x undercuts higher-tier models while offering 7x250W/4Ω, so the wattage and performance justify the asking price. Given the combination of power, build quality and sonic performance in its segment at ~£/€5,499, reviewers present a clear message that it represents good to very good value in its class.
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