THONET cantilever chair with armrests • S 43 F range
Simplicity that makes its mark everywhere: Mart Stam removed the back legs from a chair shaped along similar principles for centuries. Through evolutionary refinement, this produced a piece of seating furniture that cuts a fine figure wherever understatement and quality are called for in equal measure. In his furniture designs, Mart Stam valued high utility and economy, both aesthetically and materially. The result is the chair's linear shape, clear construction and improved seating comfort. Stam achieved the greatest possible reduction with the cantilever chair S 43 by combining the tubular steel frame with moulded wood parts for seat and back. Its pure, restrained shape makes this cantilever chair an exemplary design in the spirit of modernism. The artistic copyright for the strictly cubic, legless-at-the-back chair now belongs to Thonet. The Natural Sciences reading room of the German National Library in Leipzig was already fitted with the cantilever chair S 43 in 1933. More than 70 years later, Thonet supplied new S 43 chairs to complete the set. Only high-quality tubular steel furniture, as is typical of Thonet, is this durable and sustainable. The range is extended by the swivel chair Variants S 43 Atelier (DR), the bar stool S 43 H and the children's chair S 43 K.
The THONET cantilever chair S 43 F has a chrome-plated tubular steel Frame with a seat and back in moulded plywood, and Armrests. It is available unupholstered (S 43 F) and with mirror upholstery (S 43 PVF). The moulded wood parts are available for an additional charge in further stain shades, in oak, or with opaque lacquer finish. The range also includes the swivel chair Variants S 43 Atelier, the bar stool S 43 H and the children's chair S 43 K.
- Design: Mart Stam, 1931 (artistic copyright)
- Type: cantilever chair
- Frame: tubular steel
- Frame version: chrome-plated (powder-coated for an additional charge)
- Armrests: with Armrests
- Glides: POM plastic glides or felt glides (for an additional charge)
- Set: seat and back in moulded plywood
- Surface version: beech I (beech II, oak, bleached oak or opaque lacquer finish for an additional charge)
- Upholstery: mirror upholstery (mirror upholstery on seat and back)
- Optional: row connection (for an additional charge)
- Seat height: 46 cm (moulded plywood, unupholstered) · 47 cm (mirror upholstery on seat and back)
- Weight: 6.8 kg (moulded plywood, unupholstered) · 7.2 kg (mirror upholstery on seat and back)
- Dimensions (W x D x H): 56 x 52 x 82 cm
Mirror upholstery: with mirror upholstery, only the inner side is upholstered – precisely the surface you sit and lean against. The back of the Seat shell remains visible in wood or plastic. This keeps the chair light and slender while still gaining noticeably in seating comfort.
Row connection: chairs with row connection can be linked side by side into fixed rows of seating without tools. This is required wherever many people sit together: in halls, churches, canteens or conference rooms. The Thonet connection is patented and meets the DIN EN 14703 standard for row seating, including panic-release safety – in an emergency, the row can be cleared quickly and safely.

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