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MoFi Electronics MasterPhono Phonostage
MASTERPHONO
Created in collaboration with the revered audio engineer Peter Madnick, renowned for his exceptional contributions to the high-performance audio industry, the all-analog MasterPhono preamplifier is a testament to his expertise. The mission behind the MasterPhono was unequivocal: to replicate the sonic integrity that characterizes the renowned MFSL vinyl reissues. Over a year of meticulous research, development, and prototyping was invested to meet this lofty goal.
ELEVATING VINYL PLAYBACK WITH PRECISION ENGINEERING
Created in collaboration with the revered audio engineer Peter Madnick, renowned for his exceptional contributions to the high-performance audio industry, the all-analog MasterPhono preamplifier is a testament to his expertise. The mission behind the MasterPhono was unequivocal: to replicate the sonic integrity that characterizes the renowned MFSL vinyl reissues.
VERSATILE INPUTS, INFINITE SOUNDSCAPES
One of the most remarkable aspects of the MasterPhono is its versatility. With separate inputs and balanced as well as single-ended outputs, this preamplifier offers a multitude of user-configurable settings, all intuitively accessible via the front panel. The analog meters on the front panel embody the true essence of MasterPhono's analog heritage. Notably, a USB input opens doors to future features and software updates, ensuring a forward-looking experience.
Less coloration. More record.
Current-mode (transimpedance) input stage, a fundamentally different approach to MC phono amplification.
Most phono stages load your cartridge against a fixed resistance. The MasterPhono presents a near-zero impedance input instead, which automatically optimizes cartridge damping, eliminates the guesswork of manual loading, and removes a major source of noise and distortion before it ever enters the signal path.
The result is what a great MC cartridge is actually capable of: tight, defined bass, an open and natural midrange, and transient dynamics that feel immediate and unforced. Less coloration. More record.
What that means in practice:
No manual loading adjustments. The near-short circuit input automatically damps your cartridge correctly — regardless of its internal impedance. Plug in and play.
A BETTER PHONOSTAGE.
Lower noise floor.
Operating at low impedance makes the circuit largely immune to cable capacitance and common RF interference, so what you hear is the signal, not the environment around it.
Higher accuracy.
By avoiding high-voltage gain at the input stage, the MasterPhono introduces less distortion at the point where it matters most — keeping the signal linear from stylus to output.
Optimized for low-output MC.
Current-mode amplification is purpose-built for the low-impedance, low-output moving coil cartridges where the most musical information lives.
PRECISE INPUT FLEXIBILITY
Choose between standard signal input ("Voltage Input") via RCA & XLR or "Current input" tailored for low source-impedance phono cartridges, utilizing "Trans-impedance dynamic loading.
PERFECT LOADING
Find the perfect match for your cartridge with 10 switchable impedance loading adjustments, including a “Custom” via RCA plug on rear panel.
DUAL FUNCTION VU METERS
Dual meters can be used for monitoring or calibration of cartridge azimuth.
WATT RECOMMENDS
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Professional Reviews 94/100
Deliciously Crispy
Sound Quality
94/100
Cartridge Compatibility
96/100
Build Quality
91/100
Value for Money
96/100
The MasterPhono pairs a black-quiet background with richly textured mids, crisp transients and expansive, stable imaging. HiFi News praised its open, detailed musicality, while The Absolute Sound highlighted its neutrality and sophisticated staging. With voltage and transimpedance current-mode inputs, remote loading control and cartridge-calibration meters, it is a remarkably versatile high-end vinyl hub.
What Reviewers Are Saying
Pros
Quiet, transparent presentation with finely resolved textures, clean transients and spacious, stable imaging.
Exceptional cartridge flexibility: MM and MC support, broad gain/loading adjustment, balanced connections, and a current-mode input that excels with very-low-impedance MCs.
Useful, unusually complete feature set, including remote adjustment, per-input memory, mono and subsonic functions, plus VU-meter-assisted azimuth calibration.
&
Cons
Current-mode operation is cartridge-dependent; cartridges with higher internal impedance can lose some treble clarity and gain upper-midrange stridency.
Supplied documentation is comparatively sparse, and one reviewer found improved isolation feet beneficial for reducing background noise.
SOUND QUALITY PERFORMANCE 94/100
Reviewers consistently describe a quiet, transparent and tonally truthful presentation with a slight sweetness rather than sterility. Its combination of transient precision, dynamic ease, stable imaging and spacious staging is repeatedly singled out as unusually complete at this price.
Transparency Noise Floor
92/100
Positive Feedback heard an almost tangible silence and a near-perfectly black background, while The Absolute Sound and Tracking Angle also praised its quiet backgrounds. Future Audiophile initially noticed slight background noise in one installation, but reported that it essentially disappeared with improved isolation; current-mode operation was also praised for lowering noise versus voltage inputs.
Tonal Balance Musicality
94/100
The Absolute Sound found it fundamentally neutral, only ever so slightly warm, with an honest and musical character that remains satisfying over long listening. HiFi News similarly praised its open, detailed sweetness, lifelike midrange textures and a touch of warmth that gives voices and acoustic instruments appealing richness.
Dynamics
94/100
Reviewers repeatedly heard confident macrodynamics alongside subtle transient and microdynamic expression. Positive Feedback said it approached the best the reviewer had heard in portraying dynamic scale and shading, while other listening reports cite propulsive pace, clean attacks, powerful bass slam and lively rhythmic engagement.
Soundstage Imaging
94/100
Spatial performance earns repeated praise for precise image placement, natural layering and stable focus. HiFi News described a deep, wide and well-ordered stage that filled the room, while Positive Feedback and Tracking Angle praised dimensionality, generous scale and clearly separated performers.
Assessments of Build Quality, Usability, and Overall Propositions.
Cartridge Compatibility
96/100
This is an exceptionally adaptable MM/MC design, offering voltage and current-mode inputs, balanced and single-ended connections, four gain settings, extensive loading choices and a custom-load provision. Reviewers found it especially effective with very-low-impedance moving-coils, while also praising its flexibility with MM cartridges and conventional MC designs; each input can retain its own settings.
Build Quality
91/100
Reviewers report high build quality, with American construction, discrete circuitry and a carefully segregated two-section chassis that keeps power and control electronics away from sensitive analogue circuits. The substantial remote, copper-linked internal compartments and passive RIAA implementation are well regarded, though one reviewer wished for more capable supplied feet.
Value for Money
96/100
At roughly $5,995, several reviewers call it an exceptional or smart value relative to its sound quality and unusually comprehensive functionality. Part Time Audiophile could not think of a better buy at the price, while The Absolute Sound and Positive Feedback argued that materially costlier alternatives are needed to improve substantially on its performance.
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Authorized dealers for MoFi Electronics MasterPhono Phonostage
- Absoulute Audio plus Video — in-store — Aiken, South Carolina, United States (website)
- The Music Room — online and in-store — Erie, Colorado, United States (website)
- 3mA Audio — online and in-store — Houston, Texas, United States (website)
- Absolute Audio - Canada — in-store — Calgary, Alberta, Canada (website)
- Abt Electronics — online and in-store — Glenview, Illinois, United States (website)
- Acoustic Sounds — online and in-store — Salina, Kansas, United States (website)
- Acoustic Technologies — online and in-store — Montréal, Québec, Canada (website)
- Ajasom — online and in-store — Amadora, Lisboa, Portugal (website)
- Alen Audio — in-store — Extramurs, Comunidad Valenciana, Spain (website)
- All Elite Audio — online and in-store — Perry Hall, Maryland, United States (website)
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