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Offered is „Circle Labs AS100 AS 100 High End Stereo Vollverstärker aus 2026“ by Circle Labs Audio as second-hand device from the category „Transistor-Fullamp“ on audio-markt.de - the online market place for high-end. The advert with the number 5361112943 ends on 15.10.2026 at 07:32 o'clock.
This is a good-value ask for a respected integrated amp, especially in good condition. At €3,649, it sits well below the €4,527 median and also under the €2,337 25th percentile? No—on your own comps it is above the 25th percentile but still clearly below the midpoint, so it reads as a solid buy rather than a steal.
What makes it worthwhile is the usual Circle Labs appeal: strong build, serious power delivery, and a refined, high-end sound that tends to suit buyers who want control and tonal ease without moving to separates. For a clean, well-kept example, that’s a nice bit of upside at this price. I’d mainly want to confirm original packaging, remote, and service history; otherwise, this looks like a sensible entry point into the brand.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Circle Labs Audio, a boutique Polish hi-fi brand from Krakow, traces its roots to 2007 when engineer Krzysztof Wilczyński founded the company after years of designing tube amplifiers as a hobby. He partnered with designer and marketer Krzysztof Lichoń, blending Wilczyński's audio expertise with Lichoń's distinctive aesthetic vision. Though the name emerged around that time, the brand gained traction only in recent years through rigorous in-house testing and real-world audiophile feedback.
The company specializes in hybrid amplifiers that fuse tube input stages for warmth with solid-state output for power and reliability. Key offerings include the flagship A200 integrated amplifier, now joined by the P300 preamplifier and M200 monoblock power amp—capable of stereo or bridged mono operation. Earlier models like the obsolete A100 laid the groundwork, emphasizing precise sound reproduction over mass production.
Positioned as a niche high-end contender, Circle Labs commands respect among discerning buyers for its innovative R&D, elegant industrial design, and musical purity. It appeals to those seeking integrated solutions that rival established names without compromising on detail or dynamics, carving a growing international presence in the competitive hi-fi landscape.
See all Circle Labs Audio listings on RADAR.
