THONET armchair, cantilever chair • S 411 range
The outstanding qualities of this chair are elegance, timelessness and a high level of seating comfort. Added to this is a lightness that only a cantilever design can offer. While the first tubular steel chairs of the 1920s had barely any upholstery, the 1935 Thonet catalogue already featured a whole series of generously upholstered armchairs and sofas. The S 411, a Thonet in-house design from 1932, is thought to mark the beginning of this new product line. Today it is made with high-quality spring-core upholstery. A matching footstool is also available.
The S 411 is the cantilever chair of the range with a 79 cm high backrest. Its frame of chrome-plated tubular steel carries a seat with a spring core and full upholstery, with piping sheathed in the cover material; for nubuck leather the seam is finished as a colour-contrasting welt seam, and for natural nappa leather as a colour-contrasting double top-stitched seam. The armrests are made of beech, or oiled oak or walnut for an additional charge. The frame is also available powder-coated for an additional charge; cantilever models are supplied without glides as standard, with POM plastic or felt glides available for an additional charge. With a high backrest, the model is called the S 412, matched by the S 411 H footstool.
- Design: Thonet Design Team, 1932
- Type: Cantilever chair
- Frame: Tubular steel
- Frame version: Chrome-plated (powder-coated for an additional charge)
- Armrests: Beech I / II (oiled oak or walnut for an additional charge)
- Glides: None as standard (POM plastic or felt glides for an additional charge)
- Seat: Spring-core seat
- Upholstery: Full upholstery with piping sheathed in the cover material
- Armrest height: 59 cm
- Seat height: 40 cm
- Weight: 17 kg
Dimensions (W x D x H): 63 x 79 x 79 cm
Full upholstery: With full upholstery, the seat shell is covered all round in fabric or leather, including the back. The wood surface is then no longer visible. This gives the chair a softer, calmer and more homely look than the mirror-upholstered version.

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