Musical Fidelity M6S PRE Pre-Amplifier
$2,499.00
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The Musical Fidelity M6s PRE is a high-performance preamplifier designed to serve as the sophisticated nerve center of a high-fidelity audio system. In any premium separates-based setup, the preamplifier holds the critical responsibility of managing source selection and volume control while maintaining the absolute purity of the delicate audio signal. Musical Fidelity has engineered the M6s PRE to perform these tasks with a level of transparency and technical excellence that ensures your power amplifier receives a signal of the highest possible integrity.
At the core of the M6s PRE is a pure Class A internal circuit design. Class A operation is widely regarded by audiophiles as the pinnacle of amplification because the transistors are always “on,” eliminating the switching distortion that can occur in other designs. By utilizing Class A architecture in the preamplifier stage, Musical Fidelity ensures that the signal remains fluid, natural, and free from electronic grain. Furthermore, the unit is a fully balanced design from input to output. While many preamplifiers offer XLR connectors for convenience, the M6s PRE maintains a balanced signal path internally, which inherently rejects common-mode noise and electromagnetic interference. This results in an incredibly low noise floor, allowing the most subtle musical details to emerge from a background of total silence.
The connectivity suite of the M6s PRE is exceptionally generous, reflecting its role as a universal hub for both analog and digital enthusiasts. For analog purists, the unit features two sets of balanced XLR inputs and four sets of unbalanced RCA line-level inputs. Additionally, it includes a high-quality, built-in phono stage compatible with both Moving Magnet (MM) and Moving Coil (MC) cartridges. This phono stage is not a mere afterthought; it is designed with very low noise and an impressive overload margin, ensuring that vinyl playback is handled with the same reverence as high-level line sources.
Modern digital integration is also addressed via an asynchronous USB Type-B input. This allows users to connect a computer or digital streamer directly to the preamplifier. The asynchronous nature of the connection means the M6s PRE takes control of the data timing, bypassing the jitter-prone clocks found in most computers and ensuring that digital files are converted into analog music with rhythmic precision and clarity.
Flexibility is a hallmark of the M6s PRE design. One of the most practical features for modern living is the inclusion of a Home Theater Bypass (HT Bypass) mode. This allows the preamplifier to integrate seamlessly into a multi-channel home cinema system. When engaged, the M6s PRE passes the signal from a surround sound processor directly through to the power amplifiers at a fixed gain, allowing the user to enjoy a high-end stereo setup and a powerful home theater setup using the same front speakers without the need for constant cable swapping.
The technical specifications of the M6s PRE are a testament to Musical Fidelity’s “no-compromise” engineering. It boasts a massive signal-to-noise ratio and incredibly low distortion figures, typically less than 0.005%. With a wide frequency response extending well beyond the range of human hearing, the M6s PRE ensures that phase shifts are kept to an absolute minimum within the audible band. Its low output impedance means it can drive any power amplifier—and any length of interconnect cable—without signal degradation or loss of high-frequency detail.
Visually, the M6s PRE is housed in a heavy-duty, resonance-damping chassis with a clean, industrial aesthetic that matches the rest of the M6s series. The front panel features a high-quality volume knob with a smooth, weighted feel and a clear display for source selection. Every aspect of the M6s PRE, from its internal circuitry to its tactile interface, is designed to provide a lifetime of musical enjoyment and effortless control over your high-end audio environment.
Features & Specifications
Pre-Amplifier
- Voltage: 9.5Vrms RCA, 19Vrms XLR
- Output Impedance: 47Ohm
- THD(+ noise): 0.005% RCA, 0.0004% XLR
- Signal to Noise Ratio: >96dB ‘A’-weighted
- Input Sensitivity for Full Output: 2.2V RCA, 4.4V XLR
- Input Impedance: 75kOhm RCA, 150kOhm XLR
- Overload margin: 12dB
- Channel Separation: >96dB
- Frequency Response: +0, –1dB, 10Hz to 80 kHz
Inputs
- 1x MM/MC RCA / Phono
- 2x XLR Balanced Line Level
- 4x RCA Line Level
- USB type ‘B’ connector
Phono Input
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- Input sensitivity: 3.5mV (MM) 440µV (MC)
- Signal / noise ratio: 81dB ‘A’-weighted
- Input impedance: 47kOhm MM
- Overload margin: 29dB
Outputs
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- 1x RCA Line Level fix
- 1x RCA Line Level variable
- 1x XLR Balanced Line Level variable
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General
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- Dimensions – WxHxD (mm): 440 x 126 x 400
- Weight (unpacked / packed): 11.4 kg/16 kg
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