Why Péter Vastag Left Famous High-End Speakers Behind for an Unusual DIY System

Some audiophiles spend years climbing the high-end audio ladder, moving from one expensive speaker to the next in search of better sound. Péter Vastag took a different route. After living with speakers from Focal and Bowers & Wilkins and exploring the world of Avalon Acoustics, he became increasingly interested in something less conventional: electrostatic speakers combined with homemade open-baffle bass and a ribbon tweeter. His journey is a reminder that building a satisfying audio system is not always about buying the most expensive equipment. Sometimes, the most interesting discoveries come from listening carefully, experimenting with unusual designs and questioning what you thought you knew about great sound. Péter's system reflects that curiosity. It brings together ideas from high-end loudspeaker design and DIY audio, with an emphasis on achieving the kind of presentation that makes recorded music feel immediate and alive. ## From Focal Utopia to Bowers & Wilkins 802 D2 Péter's journey through high-end audio began with the Focal Alto Utopia. He was initially captivated by the character of its beryllium tweeter, but listening at home left him feeling that something was missing. The sound was impressive, yet it did not deliver the sense of realism he wanted. That experience encouraged him to explore Bowers & Wilkins, a brand with a long-standing reputation among serious loudspeaker enthusiasts. The B&W 802 D2 offered the combination of striking industrial design and accomplished sound that made it an appealing step forward. Yet Péter's search did not end there. Over time, he became interested in a different approach to high-frequency reproduction and began considering the possibilities of dome tweeters and alternative loudspeaker designs. Eventually, he said goodbye to his Bowers & Wilkins 802 D2 speakers. It was another important step in a journey that would take him away from conventional high-end loudspeakers and toward a much more experimental system. ## The Listening Session That Changed His Direction An important turning point came after Péter spent two months listening to a magnet-planar loudspeaker. During this period, he met someone who introduced him to a different way of thinking about loudspeaker design. The argument was straightforward: panel speakers could offer something that conventional box speakers struggled to reproduce, and electrostatic designs were worth exploring as an alternative to magnetostatic technology. Curious to hear the difference for himself, Péter visited his new acquaintance and listened to a pair of MartinLogan CLS electrostatic speakers that were already around 35 years old. However, the system was not quite what it first appeared to be. The CLS panels had been extended with a homemade open-baffle bass speaker, creating a combination that went beyond the original loudspeaker design. What followed was an experience that stayed with Péter. Several music tracks were played while a measurement microphone, connected to a laptop through an external sound card, stood ready for frequency analysis. The equipment allowed the listener to examine the system's frequency response while listening to the music. For Péter, the most important discovery was not a specification or a measurement. It was the sensation of hearing music reproduced with a degree of realism he had rarely experienced in a listening room. ## An Unusual Prototype With a Ribbon Tweeter On a subsequent visit, Péter asked to hear another system: a prototype arrangement positioned in the corner of the room. Its presentation struck him as fresher than that of the older MartinLogan CLS setup. He suspected that the addition of a ribbon tweeter might have been responsible for at least part of the difference, although that was his interpretation of what he heard rather than a definitive technical conclusion. The experience made a strong impression because the setup was relatively inexpensive compared with the celebrated high-end speakers he had owned or encountered. Could a carefully assembled DIY system really compete with established names such as Bowers & Wilkins and Avalon Acoustics? Péter was intrigued enough to investigate further. Rather than dismissing the idea because it did not carry a prestigious brand name, he wanted to hear how the design performed in different systems and listening environments. He and his companion loaded a three-element DIY kit into the car and began taking it on the road to compare it with other loudspeakers. During these listening sessions, Uncle Lajos analyzed each system they encountered alongside the DIY kit. For Péter, this was more than an experiment with inexpensive components. It was an opportunity to understand what mattered most to him as a listener and to explore whether an unconventional design could deliver the qualities he had been searching for. ## The Appeal of Electrostatic Speakers Electrostatic loudspeakers have long attracted enthusiasts who value their distinctive presentation. Instead of using a conventional moving-coil driver for the midrange and treble, an electrostatic panel uses an electrically charged, extremely thin diaphragm suspended between stators. The approach can offer a sense of openness, delicacy and detail that appeals to listeners who prioritize natural vocal reproduction and the fine textures of acoustic instruments. But electrostatic designs also present challenges, including bass extension, amplifier compatibility and the practical demands of positioning larger panels in a room. Péter's experiments reflect an interest in addressing some of these challenges rather than treating a loudspeaker as a finished product that must be accepted exactly as supplied. His experience with the MartinLogan CLS and the prototype system encouraged him to explore how electrostatic panels could work alongside other driver technologies. The result was an approach built around combining the qualities of different designs rather than relying on one loudspeaker to do everything. ## Adding Open-Baffle Bass for Greater Depth One of the defining features of Péter's system is the addition of a 15-inch open-baffle bass speaker to complement the electrostatic panels. Open-baffle bass differs from the approach used by conventional enclosed subwoofers. Rather than placing the driver inside a sealed or ported cabinet, the design allows the front and rear sound waves to radiate into the room. This changes the way the speaker interacts with its surroundings and requires careful consideration of driver selection, placement and integration. In Péter's system, the additional bass arrangement extends the capabilities of the electrostatic speakers, allowing the panels to work alongside a dedicated low-frequency section. According to the measurements reported for his setup, the system reaches approximately 30.5Hz and continues down to 22Hz at -6dB. These figures describe the reported low-frequency response; the actual in-room result will depend on measurement conditions, room acoustics and the integration of the different drivers. The goal is not simply to produce more bass. It is to extend the system's range while preserving the qualities that made the electrostatic panels appealing in the first place. Getting that balance right is one of the more interesting aspects of Péter's approach. A successful hybrid system needs its individual elements to work together rather than sound like separate loudspeakers playing at the same time. ## Why the Ribbon Tweeter Matters Péter's system also incorporates a ribbon tweeter to extend its high-frequency performance beyond the capabilities of the main panels. Ribbon tweeters use a very thin conductive diaphragm suspended in a magnetic field. Their design can offer low moving mass and a distinctive approach to reproducing high frequencies, although the result depends on the specific driver, crossover and implementation. In Péter's arrangement, the ribbon tweeter forms part of a wider effort to achieve the presentation he preferred when listening to the prototype system. His reported measurements indicate that the high-frequency response extends beyond 10kHz. As with the bass figures, that information describes the system as reported rather than an independently verified measurement. The important point is how Péter arrived at this configuration. He listened to different systems, formed his own impressions, considered what might explain the differences and continued experimenting. Instead of assuming that the most expensive speaker would automatically be the best match for his preferences, he followed the sound that interested him most. ## What Happened to the Avalon Eidolon Vision? Avalon Acoustics is another significant name in Péter's high-end audio journey. The Avalon Eidolon Vision represents a very different approach from his experiments with electrostatic panels and homemade open-baffle bass. Péter's experience with the Avalon also illustrates how personal this hobby can be. He explained that he had nearly disconnected the Avalon from the system, advertised it and eventually sold it. That decision makes sense in the context of his broader search. Owning a prestigious loudspeaker does not necessarily mean it will remain the centrepiece of a system forever. As listening preferences change and new experiments become more compelling, even a highly regarded speaker can give way to a different approach. For Péter, the attraction of DIY experimentation was the opportunity to pursue his own priorities without being tied to the expectations that accompany expensive, established products. It would be unfair to turn that personal decision into a claim that electrostatic speakers are universally superior to conventional loudspeakers. Different designs have different strengths, and room acoustics, recording quality, setup and individual preferences all influence the result. What Péter's experience demonstrates is that the search for the right sound can take a listener in unexpected directions. ## A Different Way to Think About High-End Audio Péter Vastag's journey is interesting because it challenges the assumption that progress in high-end audio must always mean moving toward more expensive equipment. His system brings together electrostatic panels, a 15-inch open-baffle bass speaker and a ribbon tweeter, drawing on ideas he encountered through listening sessions and DIY experiments. His reported frequency-response figures suggest an effort to cover a broad range, while his account of the listening sessions explains why he became interested in the approach in the first place. There is no single loudspeaker technology that will satisfy every audiophile. Conventional dynamic speakers, planar magnetics, electrostatics and ribbon-based designs all have their own characteristics, advantages and compromises. Péter's story is not about proving that one technology wins every comparison. It is about discovering what works for him, being willing to question established assumptions and learning through direct listening. That willingness to experiment is part of what makes the hobby rewarding. A system does not have to be built around the most recognizable names or the highest price tags to become deeply satisfying. Sometimes, the most meaningful upgrade begins with a listening session that makes you reconsider everything you thought you wanted.

Room: living room