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Seller's Description

Offered is „CS-600X“ by Leben as new device from the category „Tube-Fullamp“ on audio-markt.de - the online market place for high-end. The advert with the number 677396213 ends on 28.10.2026 at 09:52 o'clock.

Our Thoughts RADAR AI

This is a seller’s market at the top end of the used range: at €8,900, the ask sits well above the €6,354 75th percentile and far above the €5,558 median, so it reads ambitious rather than fair. Against six recent comparables, you’re paying a clear premium of roughly €2,500+ over the typical used asking level, so I’d only engage if the condition and provenance are exceptional.

That premium only makes sense if this is truly a standout example: the model is well regarded for its big, authoritative, high-current sound, and buyers usually want it for serious speakers and a more “grown-up” valve presentation without fuss. If it’s original-owner, recently serviced, and complete with box, remote, and paperwork, the upside is real; if not, the price leaves little room for age-related maintenance or missing extras.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Leben

Leben Hi-Fi Stereo Company emerged from the vision of Taku Hyodo, a renowned Japanese tube audio engineer formerly with Luxman. After founding Kouri Denki Co. in 1979 to produce electronic components, Hyodo released his first commercial amplifier, the Triode 33 under the KFH brand, in 1991. He established Leben in 1992—drawing its name from the German word for "life," reflecting his philosophy that music is life—with the debut RS-35a power amplifier in 1995, followed by the RS-28c preamplifier in 1998.

The brand specializes exclusively in hand-built vacuum tube amplifiers, including integrated models like the celebrated CS-300 series, power amps, and preamplifiers. Crafted with point-to-point wiring, premium components, and often rare NOS tubes, Leben eschews mass production for meticulous, small-batch assembly by a skilled team. Features such as headphone outputs, bass boosters, and speaker selectors enhance versatility, while remote controls are notably absent in favor of pure analog focus.

Leben occupies a niche boutique position in the high-end hi-fi market, prized by tube enthusiasts for its musicality, reliability, and lifelike sound. Once Japan-exclusive, its global cult following has grown through limited exports, earning acclaim in audiophile circles as passion-driven masterpieces that deliver rewarding performance without compromise.

See all Leben listings on RADAR.

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