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Offered is „Q-FLT Audio Filter & DC Blocker“ by Heed as new device from the category „Line Filter“ on audio-markt.de - the online market place for high-end. The advert with the number 9083501045 ends on 14.11.2026 at 15:56 o'clock.
This looks like a fair ask at €420: it lands exactly on the €420 median for recent used comparables, with the broader cluster running from €393 to €425, so there’s no bargain here, but no premium either. For a buyer who wants this kind of accessory now, that’s a sensible market-clearing price rather than a stretch.
It’s worth considering because this type of filter/DC blocker can be a tidy, low-risk upgrade if your system has faint transformer hum or a touch of hash from mains issues. The upside is practical rather than flashy: if it solves a noise problem in one go, it earns its keep fast. At this price, I’d mainly confirm it’s complete and functioning cleanly, since the value is in immediate utility rather than collectability.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Heed Audio emerged from the passion of Hungarian hi-fi enthusiast Zsolt Huszti, who during the Iron Curtain era imported and tinkered with British audio gear like Ion Systems and Nytech designs. Founded in 1993 in Budapest, the brand debuted with the Obelisk integrated amplifier, its circuitry rooted in the concepts of the late Richard Hay, founder of those pioneering marques. Huszti, now owner and chief designer, named it "Heed"—the Hungarian word for bridge (híd), pronounced "heed"—reflecting its bridged output topology and ambition to connect listeners directly to music.
The company specializes in compact, high-performance amplification, including the enduring Obelisk series integrated amps, along with phono stages like the Questar and Quasar, which earned acclaim for synergy with Rega turntables. Heed also produces DACs, CD transports, speakers, and select accessories, all designed and manufactured in-house with global parts. Casework, once UK-sourced, now comes from top Hungarian metalworkers for precision and consistency.
Heed occupies a niche boutique position in the high-end market, prized by European cognoscenti for its "forget hi-fi—remember music" ethos: handcrafted gear delivering sonic purity, musicality, and engagement without ostentation. With a small team in Budapest, it commands respect for unpretentious excellence, bridging vintage-inspired circuits with modern refinement.
See all Heed Audio listings on RADAR.
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