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Musical Fidelity M6x 250.11 Multichannel Amplifier
$5,499.00
Product Details
Musical Fidelity M6x 250.11 Multichannel Amplifier
M6x 250.11 is an 11-channel Class A/B power amplifier built to take a home cinema beyond what a soundbar can deliver, letting you easily create a Dolby Atmos home cinema setup (an active subwoofer is powered separately). It's built modular, with one 250W Class A/B amplifier stage per main channel (center, right front, left front) and 150W per effect channel, driven by a super-silent audiophile power transformer for a high dynamic range and detailed soundstage. A sophisticated heat sink design means no fan is needed, so the amplifier runs completely silent even under heavy load. As an authorized Musical Fidelity dealer in Toronto, Canada, Vinyl Sound can help you plan a Dolby Atmos setup around this amplifier.
Key Features
- 250W per main channel (C, RF, LF), 150W per effect channel, Class A/B
- 11 channels total, modular one-amp-stage-per-channel design
- Easily build a Dolby Atmos home cinema setup
- Gold-plated RCA and balanced XLR input per channel
- Gold-plated, isolated speaker output terminals accept 4mm banana plugs, spades, or bare wire
- Trigger input/output for turning the amp on/off with other components
- Super-silent audiophile power transformer
- Completely silent operation — no fan or active cooling
- Custom fine-line aluminium extrusion front panel, black or silver finish
Balanced XLR Connections
M6x 250.11 offers a gold-plated RCA and a balanced XLR input on every channel. If your preamp or AV processor has XLR outputs, Musical Fidelity recommends using the balanced connection, which increases dynamics, reduces noise, and improves signal-to-noise ratio compared to unbalanced RCA.
Fan-Free, High-Current Power Design
The amplifier is built modular with one Class A/B amplifier stage per channel — 250W for the three main channels (center, right front, left front) and 150W for each effect channel. Musical Fidelity states this design preserves transients and micro-detail for a natural sound at any volume. Despite its power output, a sophisticated heat sink design eliminates the need for active cooling, so there's no fan noise at any listening level.
Technical Specifications
| Main channel power (C, LF, RF) | 3x 250W @ 4Ω (Peak: 400W) |
| Effect channel power | 8x 150W @ 4Ω (Peak: 250W) |
| THD+N (both) | 0.003% at 100W output |
| Frequency response (both) | 20Hz-20kHz for 0.5dB |
| SNR, main channels | 105dB at 1kHz, 200W output |
| SNR, effect channels | 103dB at 1kHz, 200W output |
| Damping factor, main channels | >300 |
| Damping factor, effect channels | 80 |
| Connections | 11x RCA line input, 11x balanced XLR line input, 11x pair speaker terminals, 1x trigger in/out |
| Input sensitivity | 700mV (RCA), 1.4V (XLR) |
| Dimensions (W x H x D) | 435 x 205 x 430 mm |
| Mains voltage | 230V/115V (internally set) or 100V optional, AC 50/60Hz |
| Max consumption | 3000W; <0.5W standby |
| Weight | 35.5 kg (~39 kg with shipping carton) |
| Front panel finish | Black or silver |
Frequently Asked Questions
Do I need a separate amp for my subwoofer?
Yes, M6x 250.11 powers your 11 main/surround/height channels for a Dolby Atmos setup, but active subwoofers are powered separately, not through this amplifier.
Should I use RCA or XLR to connect my AV processor?
If your preamp or AV processor has XLR outputs, use the balanced XLR connection for increased dynamics, reduced noise, and improved signal-to-noise ratio over unbalanced RCA.
Will I hear fan noise during a movie?
No, the amplifier's heat sink design eliminates the need for a cooling fan, so operation is completely silent regardless of output level.
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