Rega | SKU: NEW-REFONOMM5-BLK | Barcode: 5056186706767

Rega Fono MM MK5 Phono Preamplifier - Black

Award-Winning Performance for Moving-Magnet Cartridges

The Rega Fono MM Mk5 is a dedicated moving-magnet phono preamplifier created for listeners who want greater clarity, dynamics and musical involvement from their records. Its discrete input stage, two-stage RIAA equalization and carefully selected components deliver Rega’s celebrated sense of pace in a compact, easy-to-use aluminum enclosure.

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What Hi-Fi? Awards 2025 – Best Phono Stage Under £400

$445.00

Condition

New Demo

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Rega Fono MM MK5 Phono Preamplifier — Product Description

A Simple, Focused Phono Stage from Rega

The Rega Fono MM MK5 is a moving magnet phono preamplifier. It's built to do one job well: take the signal from an MM cartridge and turn it into something your amplifier can use.

Inside is a fully discrete, cascaded amplifier circuit, built without a single fixed setting to fuss over. Rega designed it to just work, without dip switches or dials to configure.

The MK5 brings a redesigned aluminum case, styled to match Rega's Fono MC and its newer electronics. It's a cosmetic update built to sit alongside Rega's current amplifier and turntable lineup.

This is the MM-only version. Rega also sells a separate Fono MC for moving coil cartridges, built around different circuitry and gain. Choosing the right one for your cartridge matters, since the two aren't interchangeable.

Tuned Specifically for Moving Magnet

Gain measures 41.4dB at 1kHz, with input loading fixed at 47 kOhms in parallel with 100pF. That's the standard loading most moving magnet cartridges expect.

RIAA accuracy is rated better than ±0.2dB from 100Hz to 100kHz at a 50 kOhm output load. Frequency response reaches from 15Hz down at -3dB up to 100kHz at -0.2dB.

Output impedance sits at 200 ohms, with a recommended minimum output load of 5 kOhms. It draws 24V AC at up to 80mA from its external power supply. Maximum input level is rated at 60mV at 1kHz, giving it plenty of headroom before overload.

It measures 45 by 180 by 150mm and weighs 650 grams. Black is the only finish currently offered.

What Reviewers Are Saying

Ian White reviewed the Fono MM MK5 for ecoustics.com in December 2023, naming it one of his Editor's Choice phono preamps of the year.

He described its sound as "fleet of foot" and "engaging," adding that it's "full of texture and tone" and brings real "vitality to the sound with the right cartridge."

Who Is This Preamp Best For?

Anyone with a moving magnet cartridge. Its fixed loading and gain are tuned specifically for MM performance.
Listeners who want simplicity over switches. There's nothing to configure; just connect it and go.
Rega turntable owners building a matching system. Its case design lines up with Rega's current electronics.
Shoppers who want proven, independently reviewed performance. A named reviewer named it an Editor's Choice pick.
Not the right fit for anyone who owns a moving coil cartridge. This model is MM-only; Rega's separate Fono MC covers moving coil cartridges instead.

How Does It Connect to Your System?

Run your turntable's phono cable into the Fono MM MK5's RCA input, then connect its RCA output to a line-level input on your amplifier or receiver.

There's no gain or loading to set. Plug in the included 24V AC power supply and it's ready to play. Keep its power supply away from other cables where you can, since AC transformers can sometimes introduce hum into a nearby phono connection.

Pairs Well With

Building your system? Here are some great companions for the Rega Fono MM MK5:

Turntables without a built-in phono stage
Moving magnet phono cartridges matched to its fixed loading
Interconnect cables to connect its output to your amp

Frequently Asked Questions

Does this work with a moving coil cartridge?

No. This model is built for moving magnet cartridges only. Rega's separate Fono MC handles moving coil cartridges.

Can I adjust the gain or loading?

No. Gain and loading are fixed at values chosen for typical moving magnet cartridges, so there's nothing to configure.

How is the MK5 different from the previous MK4?

Rega's own materials point to a redesigned aluminum case as the main update, styled to match its current Fono MC and electronics lineup.

What's the warranty?

Rega covers the Fono MM MK5 for three years in the US against manufacturing defects.

See It in Action

HiFi Review HUB puts the Fono MM MK5 through a sound test:

Cheshire Audio takes a quick first look at the Fono MM MK5:

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Learn More

Want to learn more about matching a phono preamp to your cartridge, setting up your turntable correctly, or getting the most from your vinyl collection? Visit our Learning Center for guides, tips, and expert advice.

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Features

Dedicated phono preamplifier for moving-magnet cartridges
Fully discrete, cascaded complementary amplifier input stage
Two-stage RIAA equalization minimizes circuit interaction
Polyester capacitors used in the signal path
Polypropylene capacitors used in the RIAA equalization circuitry
Low-noise design reveals greater clarity and dynamic contrast
Fast, cohesive and rhythmically engaging musical presentation
Fixed 47k-ohm and 100pF input loading suits most MM cartridges
Simple stereo RCA input and output connections
Grounding terminal helps minimize turntable hum
Compact custom aluminum enclosure
Styling complements Rega’s current electronic components
Front-panel power switch with illuminated Rega logo
Rega PS1 24V AC power supply included
Designed and assembled in the United Kingdom

Specifications

Cartridge Compatibility: Moving magnet
Moving-Coil Compatibility: No
Input Sensitivity: 1.7mV for 200mV output
Input Loading: 47k ohms in parallel with 100pF
Maximum Input Level: 60mV at 1kHz
Gain: 41.4dB at 1kHz
Output Impedance: 200 ohms
Recommended Minimum Output Load Resistance: 5k ohms
Frequency Response: 15Hz (-3dB) to 100kHz (-0.2dB), with 50k-ohm output load
RIAA Accuracy: Better than ±0.2dB from 100Hz–100kHz, with 50k-ohm output load
Inputs: One pair stereo RCA
Outputs: One pair stereo RCA
Power Requirements: 24V AC at 80mA maximum
Power Supply: Rega PS1 included
Dimensions: 1.8" H x 7.1" W x 5.9" D
Weight: Approximately 1.4 lbs.
Finish: Black

Product of the Year 2025, Best Phono Stage Under £400 – What Hi-Fi? Magazine

"This little phono stage turns in a strong performance. It has a fast, punchy sound that works a treat with the likes of Bruce Springsteen’s Born To Run set. There is plenty of drive to the title track with the Rega conveying the hard-charging energy of the track well. Things are rock solid rhythmically and there is enough in the way of low-end power to satisfy. Those lows are taut and tuneful without being overbearing."

"The new casework is smart enough, though the secret to the Fono MM’s success really comes down to its performance. Judged by sound quality, the Rega Fono MM Mk5 phono stage remains the one to beat at this level."

- What Hi-Fi?, October 2025

Editors' Choice 2023 - ecoustics.com

"You have to tip your hat to the folks at Rega. While the top turntables in their lineup are not exactly inexpensive, they remain committed to those of us who have their feet firmly planted in the entry-level and mid-tier high-end categories. The Rega Fono MM MK5 Phono Preamp is a great example of that."

"How does it sound? Fleet of foot. Engaging. Full of texture and tone. It adds some warmth to the sound but there is so much more vitality to the sound with the right cartridge."

- Ian White, ecoustics.com, December 16, 2023

"Five Stars" - What Hi-fi? Magazine

"Get connected and you can sit back and enjoy a big, powerful, punchy sound. A wide-open soundstage gets the best from sparse, voice-driven recordings, while that bottom end power, coupled with great dynamics, ensure dance tracks have presence and rhythm."

"Treble notes are crisp but never bright, while the generous serving of bass is always controlled."

- What Hi-fi? magazine

"The main factors that make this phono preamp such a great choice are the design, operation, and audio fidelity. These are three things that Rega is known for in the Hi-Fi world. The Fono MM Mk5 features a minimalist design that blends style and functionally. It’s clean and simple. The result is an understated looking machine that brings top-notch quality to the speakers from any record that is played."

- soundorganisation.com, March 11, 2024

"I don't think you can go wrong with the Rega unit. For years I fiddled with my phono equipment, swapping out turntables, phono amps and cartridges often. Once the Planar 6 and MM MK5 were in place I was happy to leave well enough alone and it's now been ~two years since I made any changes."

- DavidTT, audiokarma.org, May 31, 2024

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