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Offered is „Cyber 300B PSE | Demogeräte (Paar)“ by Opera Consonance as exhibit from the category „Tube-Poweramp“ on audio-markt.de - the online market place for high-end. The advert with the number 5227840398 ends on 10.11.2026 at 11:55 o'clock.
This looks ambitious rather than fair: €5,999 is far above the typical used range I can anchor for this model, which is more often around €800 to €2,500, with even a well-kept example at €2,480 and old higher asks sitting nearer €4,000. At this level, it needs to be exceptionally original, exceptionally complete, or effectively new to make sense.
That said, the amplifier itself has real appeal: Opera-Consonance 300B gear is well liked for that spacious, saturated midrange and the effortless, human presentation 300B fans chase. If this one is truly pristine, with box, paperwork, and fresh tubes, it’s still a lovely piece — but at €5,999 I’d want proof it’s a rare top-spec version, not just a clean used integrated.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Opera-Consonance, also marketed as Opera Audio, is a Chinese hi-fi brand founded in 1994 in Beijing by Shi Hui Liu, who is also identified as the company’s chief designer and owner. It is one of the earlier international high-end audio manufacturers to emerge from China, and the brand has long emphasized original design and in-house manufacturing.
Its product range is broad and centered on traditional audiophile components: amplifiers, preamps, CD players and DACs, turntables, loudspeakers, and related accessories. The brand has been especially visible in analogue and tube-oriented gear, including turntable systems and valve amplification, alongside digital source components and speaker designs.
In the market, Opera-Consonance sits in the high-end but still boutique tier rather than the ultra-luxury mainstream. It is better known among experienced audiophiles than casual buyers, with a reputation for ambitious industrial design, careful fit and finish, and strong value relative to more established Western rivals. In the U.S. and other Western markets, it remains a niche brand with a cult following rather than a household name.
See all Opera-Consonance listings on RADAR.
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