SF220 Special Edition Class A Tube Preamplifier


With over 30 years in continuous development, the ultra-high-definition Margules SF-220 30TH preamplifier brings the warm sound of vacuum tubes with the latest audio technology. It offers a natural harmonic presence that creates a purely musical experience with the characteristic tonal richness of Margules. It is made for lovers of hi-fi, mixing premium components and materials with an aesthetic, sober and contemporary design.

It offers a natural harmonic presence that creates a purely musical experience with the characteristic tonal richness of Margules. It is made for lovers of hi-fi, mixing premium components and materials with an aesthetic, sober and contemporary design.

In addition, its high functionality allows it to be easily coupled to a multi-channel system to ensure a warm sound.

The SF-220 30TH easily drives any tube or solid state amplifier without audible interactions or loss of audio quality, keeping the qualities of the Margules sound intact.


Margules Audio

Our Story More than 90 years of history implementing out technology with special attention to the innovation and design. Today the fourth generation of engineers and craftsman are devoted to challenge the boundaries of audio reproduction. Each piece of our catalog is handcrafted to implement our innovation with chosen components to achieve our specific design philosophy, ANA® ( Acoustic Neurologic Alignment ), focused in how we as humans process and perceive sound, prioritizing the harmonic structure over the fundamental tone. Our efforts, knowledge and talent are focused in the design and manufacture of High-Performance audio equipment with our own technologic proposal to bring unsurpassed audio experience. Thanks to our innovative technology and the sound reproduction quality, Margules® is today a World reference in the high-end industry. MARGULES ® is also interested in creating sound oasis, making integral sound projects that generate captive and enriching audio experience in different spaces. 1925 In the Early twentieth of 20th century A Rumor is heard by a young European engineer, Mexican President, Plutarco Elias Calles is inviting capable man to participate in the National Electrification Plan. Jacob Margules sees this as an opportunity and an ideal pretext to construct a new life on America. Jacob asks for a loan to his father-in-law and crosses the Atlantic along with his wife, his dreams and capabilities. 1927 His talent as an engineer is rapidly recognized in Mexican land and plays an important roll in the first national radio stations. In this country our name has been link to the sound reproduction since its origins. Rapidly acquires the needed expertise to step up and found a store called Emporio Electronico, focused on selling and supporting the new radio industry. In a short time is the gathering oasis of the aficionados and professionals of the radio enthusiast, later turns in to Casa Margules. 1954 As a result of the success obtained in Casa Margules the business grows in to two, the distributing company, Radio Surtidora, and the manufacturing branch, Tel Rad, where we can find the born of our legacy, is here where we started manufacturing reproduction instruments, gramophones, turntables, amplifiers and speakers. When High Fidelity begins to be possible, the Brand Marvox was created, under that brand where produced several Amplifiers, Speakers etc. Tel Rad and Marvox project was headed by Alejandro Margules, second generation on the company. 1981 The accumulated experience and knowledge  thru does day and the new generation brings new ideas: Julian Margules, grandson of Jacob Margules and son of Alexander Margules, has the vision to use this baggage to implement his own ideas, the Magenta line is born, first as an high performance biamplified active system . 1990 After years of RD, Julian Manage to bring together his Ideas and experience in a project that became an Icon: The U-280 , the first servo controlled full class A amplifier with no need for any type of adjustments an unprecedented thermal efficiency. The U280 has been awarded throw the decades by the specialized critics and press, The U280 always has been in continuous evolution. Due unique characteristics  is a worldwide reference in the High End  Audio. Today, Margules, continuous working with the same passion in new technologies to reproduce the music with a natural and reach sound and exclusive aesthetics. Our Mission is clear: give the deserved place to your music and space where you listen, so you can enjoy it at its best. 2004 Margules makes the first high End iPod interphase, the “I-end” with one of the first electrostatic tactile panels in the market, video feedback, fully remote control throw RS232 o IR, and converted any I-pod in a music server with a high quality audio characteristics. In 2006 Sterephile reports over it and 2007 In the CES at Vegas is consider by NBC  news as a high light at the show. It was develop around our Analog to Digital Enhancer ADE, that has been mention by StereoPhile as a killer product and received awards by many other publications. 2018 Thanks to the growing demand on our product, and a continuous quality improvement requirement, the factory was relocated at a bigger and very well-organized facility.