THONET single-seater sofa • S 5001 C001 programme
Building on the archetype of the minimalist sofa with a base of bent tubular steel, which was first part of the Thonet portfolio in the 1930s, designer James Irvine developed a versatile, transformable furniture system in 2006. The S 5000 sofa programme is based on a simple, intelligent modular construction concept. Inspired by the increasing merging of work and living spaces, it was intelligently developed further in 2020 by Studio Irvine, very much in the spirit of its founder James Irvine, so that it fits the modern context of New Work: depending on requirements, identical armrests and backrests, or partitions for visual and acoustic screening, can be integrated into the seat frame. This makes it extensively expandable, and thanks to variable side panels it also finds its place in multi-space office concepts. The panels form the frame for various cushions, which are simply placed on top. In addition, side tables can be mounted, connected to the sofa's tubular steel frame. In this way, entire sofa landscapes are created, which can be modularly expanded and reconfigured. So the S 5000 fits as a classic sofa into modern living environments; in a smaller version with panels it is suitable as a smart-working station in the home office, and as a larger variant for areas such as central zones or lounges in office contexts, co-working spaces or waiting halls. The programme is extended by variants with castors.
The THONET S 5001 single-seater is a pre-configured combination from the modular S 5000 sofa programme: a seat frame made of tubular steel, into which identical armrests and backrests are hung. In the version with low armrests, two low and one high upholstered element sit in the frame; in the fully high version, three high upholstered elements. Both are available with castors as an option. The frame is chrome-plated or black, the upholstery is comfort upholstery. Plastic or felt glides are available at an additional cost.
- Design: James Irvine, 2006; further development by Studio Irvine, 2020
- Type: single-seater, pre-configured
- Frame: tubular steel
- Frame version: chrome-plated or black
- Glide: plastic glide or felt glide (available at an additional cost)
- Upholstery: comfort upholstery
- Features: pre-configured from a seat frame with two low and one high upholstered element (C001 – low armrests, high backrest / C007 – low armrests, high backrest, with castors) · seat frame with three high upholstered elements (C002 – high armrests and backrest / C008 – high armrests and backrest, with castors); versions C007 and C008 with castors
- Armrest height: 68 cm (C001 – low armrests, high backrest / C007 – low armrests, high backrest, with castors) · 77 cm (C002 – high armrests and backrest / C008 – high armrests and backrest, with castors)
- Seat height: 43 cm
- Weight: 52 kg (C001 – low armrests, high backrest / C007 – low armrests, high backrest, with castors) · 53 kg (C002 – high armrests and backrest / C008 – high armrests and backrest, with castors)
- Dimensions (W x D x H): 126 x 83 x 77 cm
Comfort upholstery: The comfort upholstery is a particularly elaborate upholstery construction: depending on the model, a fine non-woven layer is additionally sewn in. This makes the upholstery softer to sit on and, at the same time, more durable, as the cover is loaded more evenly.

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