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Offered is „FILTER“ by Qualiton/Audio Hungary as exhibit from the category „active filters“ on audio-markt.de - the online market place for high-end. The advert with the number 4259942930 ends on 15.12.2026 at 11:22 o'clock.
A notable piece from Audio Hungary’s Qualiton line, though the generic “FILTER” title makes the exact model and function worth confirming. At €3,990, it looks like a strong deal against the comparable market: it is below the €4,310 median and comfortably above the €3,027 25th-percentile floor, rather than merely an average listing.
The value depends on what this unit actually is and how it fits the system. Qualiton components are generally respected for solid construction, distinctive tube-era engineering, and musical, low-fatigue presentation; a genuine, complete example can also appeal to collectors of Hungarian hi-fi. Before committing, verify the model designation, whether it is an active or passive filter, connector standards, operating condition, and included cables or accessories. If those details check out, €3,990 is an attractive entry point rather than an ambitious ask.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Qualiton is a Hungarian audio brand rooted in a much older local engineering tradition, with its name revived from a 1970s-era BEAG label. The company’s history is tied to electroacoustic production in Hungary, especially around Nyíregyháza, and the modern Qualiton line builds on that heritage rather than a widely documented single-founder story. In other words, it is best understood as a revived Central European brand with deep manufacturing lineage, not a mass-market newcomer.
Qualiton is primarily known for tube electronics: integrated amplifiers, preamplifiers, phono stages and related analog components. Current models have included valve integrated amps such as the A75 and X200, along with other high-end tube offerings, and the brand has also been associated with step-up transformers. Its focus is squarely on traditional hi-fi electronics rather than speakers, digital sources or headphones.
In the market, Qualiton sits in the boutique high-end segment. It appeals to buyers who value classic tube topology, substantial build quality and a distinctly old-world, European presentation. The brand is still relatively niche, but among enthusiasts it has earned recognition for serious audiophile performance and a strong sense of identity.
See all Qualiton listings on RADAR.
