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MoFi Electronics StudioPhono MM/MC Phono Preamplifier

    $349.00
    $349.00
    Temporarily Out of Stock. Usually Ships in 5-7 Business Days.
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    SKU: MOSP
    WARNING: for more information go to http://www.P65Warnings.ca.gov
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    Editors' Choice Award 2024 – The Absolute Sound Magazine


    Highly Recommended – The Shoestring Audiophile


    Highly Recommended – Vinyl Me, Please


    "An All-Star Performer" for Vinyl Playback

    More than five decades of hands-on experience creating the world's finest vinyl records – and understanding the techniques, intricacies, and processes involved with reference analog sound – have led to the Mobile Fidelity StudioPhono MM/MC phono preamplifier.

    Made to bring you closer to the sound of the legendary Mobile Fidelity Sound Lab into your own system, this true-to-the-source phono preamplifier is designed with the help of Tim De Paravicini, the engineer responsible for the entire analog cutting system at Mobile Fidelity's famous Sebastopol, California master studio. The inspired design prizes simplicity, purity, and precision – elements responsible for producing audiophile clarity, unstinting accuracy, and breathtaking realism during playback.

    Award-Winning Performance

    The Absolute Sound magazine honored the StudioPhono with an Editors' Choice Award for 2024.

    "The CD14 CD player doesn’t try to be anything but a CD player. It uses a highly regarded Wolfson DAC chip, which is capable of sampling rates up to 192kHz; of course, as the sampling rate of CDs is 44.1kHz, the DAC’s capability is overkill. The CD14 will also play MP3 files, but you’d need to burn those onto CDs first (there’s no USB input that would allow you to play them off a USB flash drive)."

    "Highly Recommended"

    The StudioPhono won a "Highly Recommended" rating from The Shoestring Audiophile.. "There have been pieces of gear recently that have impressed me, and those that have even wowed me. However, few have had quite as powerful of an impact like the Mofi StudioPhono has had. Whether you’re just starting your record collection, or a lifelong collector, this might be one of the most worthwhile pieces to check out that I have seen in a long time. Highly recommended."

    Also classifying the StudioPhono as Highly Recommended is Nels Ferre at vinylmeplease.com. "There have been pieces of gear recently that have impressed me, and those that have even wowed me. However, few have had quite as powerful of an impact like the Mofi StudioPhono has had. Whether you’re just starting your record collection, or a lifelong collector, this might be one of the most worthwhile pieces to check out that I have seen in a long time. Highly recommended."

    "A Very Impressive Package"

    "I would not recommend any other phono stage under $500 (maybe even $1000) other than the MoFi Studio. You can jump up to the Ultra but all you will get for the extra dough is a headphone output. The phono stage is the same," observes Steve Huff in his June 23, 2021 review at stevehuffphoto.com.

    "The MoFi Studio also has a mono switch for listening to mono records and a button to press if you hear some bass rumble. Overall a very impressive package for 99.9% of us who want to improve our vinyl playback."

    "An All-Star Performer"

    "The StudioPhono is an all-star performer and does not give you the impression in any way you are missing out or making sacrifices at its list price," reports Buzz Hughes, Hi-Fi+. "The StudioPhono will be a valued and integral part of your front-end chain, not just a budget component that is checking a necessary box for you to be able to play your records."

    "The StudioPhono on its own merits and even more so paired as a combo with the StudioDeck [turntable] & StudioTracker [phono cartridge] outpaces anything else on the market I have heard at its price point."

    Handcrafted in the USA

    Handcrafted in the USA at Mobile Fidelity's in-house factory, the StudioPhono offers high-end performance at a real-world price. Unlike any other phono preamplifier in its class, StudioPhono gives you absolute sonic purity required to play back the finest recordings, including the world-famous Mobile Fidelity's Original Master Recordings reissues, which have set the standard for sound quality and precision manufacturing for more than 40 years and counting.

    Designed for Breathtaking Sound

    Every element inside and outside of StudioPhono has been considered in relationship to the sound you hear. Working in collaboration with several of the audio community's most respected engineers, Mobile Fidelity spent more than two years building prototypes and experimenting with materials. Even what on the surface would appear to most listeners as a minute detail was evaluated via countless listening sessions and tests.

    The StudioPhono is the culmination of those painstaking efforts. It is a component whose refined abilities deem it worthy of the iconic Mobile Fidelity name. As an internationally acclaimed symbol and purveyor of audio superiority, Mobile Fidelity would settle for nothing less, and neither should you.

    "Rich, Detailed, and Nimble"

    "The MoFi StudioPhono impressed with its fine balance of sonic skills offering a rich, detailed, and nimble way with all of the records I sent its way," observes Michael Lavorgna, twitteringmachines.com, March 9, 2023.

    "The Mono option offers a nice step up in sound quality for mono records and the numerous gain and loading options should accommodate most cartridges of MM or MC variety. I also happen to like its looks and size, and the fact that it embodies the talents of Tim de Paravicini, one of hifi’s most talented designers, at its asking price makes for one helluva convincing story."

    Selectable Gain and Loading

    StudioPhono comes with selectable gain and loading controls, enabling it to match the specifications of practically every MM and MC cartridge available. Toggle switches on the bottom of the device let you fine-tune and adjust settings without the need for any tools.

    StudioPhono also includes mono and subsonic filters. The former is expressly tailored for mono LPs of any vintage. You'll hear more front-to-back layering, richer tonalities, and greater solidity when using the mono switch with your mono vinyl. If you're a fan of mono recordings, vintage or reissues like The Beatles in Mono box set or the Mobile Fidelity Sound Lab Bob Dylan Series, the mono mode will come as a revelation. It will improve image stability and generate richer tone.

    Subsonic Filter

    The equally beneficial subsonic filter helps correct deficiencies associated with warped LPs or vibrational feedback when playing music at higher volume. No matter what kind of record you play, StudioPhono delivers the level of wide-bandwidth transparency and dynamic responsiveness demanded by the finest records. An external, balanced power supply furthers this aim by keeping noise away from the delicate audio signal and contributing to a super-low noise floor.

    In-House Manufacturing in Michigan

    Prestige doesn't come easy – or cheap. To meet all its specific needs and demands, Mobile Fidelity established a new, dedicated facility in Michigan to build the majority of its products in the USA. While it's an uncommon and expensive endeavor in today's audio industry, in-house manufacturing is the only way to maintain total quality control and create products that live up to the exacting standards Mobile Fidelity established over the past four decades with music releases. The approach cuts both ways, giving you the security and confidence that the Mobile Fidelity product you own is built to perform at the highest specifications.

    MoFi Electronics

    Drawing on 40 years of making records at Mobile Fidelity Sound Lab, the new MoFi Electronics division is focused on improving the sonic integrity of audio reproduction in the home. MoFi products are the result of multiple collaborations with some of the world’s best audio designers, stemming from decades of experience in the studio.

    The new StudioPhono and UltraPhono phonostages replicate the wide bandwidth transparency mastering engineers demand. The circuits are based on ideas first applied to the GAIN 2™ mastering chain at Mobile Fidelity Sound Lab.

    Product Features

    • High-quality MM.MC phono preamplifier
    • Selectable gain for MM or MC 40dB, 46dB, 60dB, 66dB
    • Adjustable loading 75Ω - 47kΩ
    • Switchable Mono mode
    • Subsonic filter
    • External power supply
    • Designed and manufactured in-house in Michigan

    Product Specs

    • Gain: Adjustable from 40dB - 66dB
    • THD: < .01% (MM) / < .012% (MC)
    • Load Impedance (MM): 47,000 Ohms
    • Load Impedance (MC): 75, 100, 500, 1k, 10k, 47k Ohms
    • Input Capacitance: 100pF
    • Dimensions: 3-3/4" wide x 1-1/4" high x 6-5/8" deep

    Product Warranty

    3 Years for Turntables 3 Years for Electronics 1 Year for Cartridges Parts & Labor MoFi Warranty Information

    Editors' Choice Award 2024 – The Absolute Sound Magazine

    "Renowned recording experts at Mobile Fidelity Sound Labs have taken the plunge into manufacturing analog hardware: two turntables and two companion phonostages, including the $349 StudioPhono. Tim de Paravicini lent a hand with designing the internal circuitry. Features include adjustable gain and loading for mm and mc cartridges, a mono setting, and a subsonic filter. Clean and compact, it complements tables sonically and visually."

    - The Absolute Sound magazine, December 2024


    Highly Recommended – The Shoestring Audiophile

    "There have been pieces of gear recently that have impressed me, and those that have even wowed me. However, few have had quite as powerful of an impact like the Mofi StudioPhono has had. Whether you’re just starting your record collection, or a lifelong collector, this might be one of the most worthwhile pieces to check out that I have seen in a long time. Highly recommended."

    - theshoestringaudiophile.com, October 13, 2019


    Highly Recommended – Vinyl Me, Please

    "There have been pieces of gear recently that have impressed me, and those that have even wowed me. However, few have had quite as powerful of an impact like the Mofi StudioPhono has had. Whether you’re just starting your record collection, or a lifelong collector, this might be one of the most worthwhile pieces to check out that I have seen in a long time. Highly recommended."

    - Nels Ferre, Vinyl Me, Please, July 8, 2018


    "The MoFi StudioPhono impressed with its fine balance of sonic skills offering a rich, detailed, and nimble way with all of the records I sent its way. The Mono option offers a nice step up in sound quality for mono records and the numerous gain and loading options should accommodate most cartridges of MM or MC variety. I also happen to like its looks and size, and the fact that it embodies the talents of Tim de Paravicini, one of hifi’s most talented designers, at its asking price makes for one helluva convincing story."

    - Michael Lavorgna, twitteringmachines.com, March 9, 2023


    "The StudioPhono is an all-star performer and does not give you the impression in any way you are missing out or making sacrifices at its list price. The StudioPhono will be a valued and integral part of your front-end chain, not just a budget component that is checking a necessary box for you to be able to play your records."

    "The StudioPhono on its own merits and even more so paired as a combo with the StudioDeck [turntable] & StudioTracker [phono cartridge] outpaces anything else on the market I have heard at its price point."

    "The StudioPhono will be a valued and integral part of your front-end chain, not just a budget component that is checking a necessary box for you to be able to play your records."

    - Buzz Hughes, hi-fi+ magazine, August 15, 2018


    "Not only is it super configurable with loading and gain, it can run almost any cartridge (even the crazy high end $10k carts) as it has settings for MM and MC cartridges, even low output MC."

    "I would not recommend any other phono stage under $500 (maybe even $1000) other than the MoFi Studio. You can jump up to the Ultra but all you will get for the extra dough is a headphone output. The phono stage is the same."

    "The MoFi Studio also has a mono switch for listening to mono records and a button to press if you hear some bass rumble. Overall a very impressive package for 99.9% of us who want to improve our vinyl playback."

    - Steve Huff, stevehuffphoto.com, June 23, 2021


    "I was astonished at how quiet backgrounds were, especially on good recordings. Surely the little StudioPhono deserves partial credit here."

    - Julie Mullins, The Absolute Sound

    Audio Advisor occasionally has fantastic deals on clearance items that are in excellent condition and we happen to have just one or two of.

    Demo: Photo samples, gear we auditioned, items returned for wrong color/wrong size, etc.


    Open Box: Contents briefly examined or inspected for promotional or internal purposes


    Factory Refreshed: Original-condition items repackaged by the manufacturer


    Cosmetically Blemished: A few dings or scratches, but functionally in original condition


    Used: May show some signs of use


    All clearance products are carefully inspected by our technicians before we offer the item for sale. All clearance products except Used items come with the original manufacturer warranty and are guaranteed to work and sound like new.

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    The product must be in like-new condition and shipped in the original packaging (So SAVE THOSE BOXES!!!)


    1. Call 1-800-942-0220 to request an RMA number.
    2. Print the RMA number on the return shipping label.
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    Audio Advisor Returns
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    MoFi Electronics StudioPhono MM/MC Phono Preamplifier

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