High flexibility in terms of areas of application and users, as individual components can be customised using a modular system.
quarterback 2
Swivel chair for productive well-being
Impressions
Das Baukastensystem
Fully upholstered
Membrane
Comfortable and ergonomic sitting thanks to use-related mechanisms
“Similar” mechanism with automatic weight adjustment
- Automatic seat tilt of up to 5°
- Lockable in the upright position
- Opening angle: 0, 8, 16, 26°
- Ideal for desk-sharing workstations
“Similar” mechanism with individual weight adjustment
- With/without seat tilt adjustment of up to 4°
- Lockable in 3 positions
- Opening angle: 26°
- Ideal for permanently assigned workstations
Versions and models
Office chair (5-star base)
Counter chair (5-Star)
Visitor chair
Visitor chair 4-star base
Options & Accessories
- Various armrest versions (1D, 2D, 3D, 4D) or without armrests
- Lumbar support (height-adjustable and/or depth-adjustable)
- Sliding seat (adjustment range of 7 cm)
- Seat height adjustment: Sedo Lift III mechanism
Neck support and coat hanger available as a set or separately
Options
| standard | optional | |
|---|---|---|
| Upholstery | Seat upholstered, backrest with membrane cover Seat and backrest upholstered | Different cover for backrest |
| Membrane | black | natural white, sage green, anthracite, beige grey, brown grey, blue violet, grey blue, turquoise blue, red |
| Model colour / plastic parts | black | light grey |
| Lumbar support | No lumbar support | Height-adjustable lumbar support Lumbar support depth adjustment |
| Armrests | 2D armrests with plastic covers | Height-adjustable plastic armrests 3D armrests with PUR covers, width adjustable 4D armrests with soft-touch covers 4D armrests with 360° rotatable soft-touch covers Without armrests |
| Seat | Standard seat | Sliding seat (70mm adjustment range) |
| Mechanism | Similar mechanism with automatic weight adjustment | Similar mechanism with automatic weight adjustment for light persons Similar mechanism with individual weight adjustment Similar mechanism with individual weight adjustment and forward tilt |
| Seat height-adjustment | Gaslift | Gaslift for seat height 410 - 550 mm Sedo-lift mechanism lll Gaslift for counter design with footring |
| Base | 5-star plastic base, black | 5-star plastic base, light grey 5-star aluminium base, black, light grey, polished |
| Castors | Hard castors for soft flooring | Soft castors for hard flooring Constantly braked castors |
| Fire protection | Fire protection version in combination with the cover fabrics Fame, Nobel, One or Step | |
| Accessories | Coat hanger Neck support with height and tilt adjustment – in black or light grey imitation leather (colour is defined by the model colour) or in a black membrane Set neck support/coat hanger Model prepared for retrofitting the accessories | |
| Norm | DIN EN 1335-1:2023 untyped | DIN EN 1335-1:2023 type A |
Technical specifications
| Backrest | – Large, ergonomically shaped backrest, suitable for any body size – Plastic frame in the selected model colour – qb-125: Mesh cover made from self-supporting knitted fabric – qb-105: Full upholstery with textile supporting structure, fully upholstered with fabrics from the Sedus collection – Optional height-adjustable (90/100 mm) or depth-adjustable (20 mm) lumbar adjustment, colour is defined by the model colour – Optional neck support with height and tilt adjustment, covered with black membrane or imitation leather – Optional coat hangers available individually or as a set with neck support |
| Armrests | – The following applies to all armrests: armrest shaft colour depending on the model colour, armrest pads are black for model colour black, basalt grey for model colour light grey – Code 3211: 2D armrests – height- and width-adjustable – Code 3611: height-adjustable plastic armrests – Code 3914: 3D armrests with soft-touch covers, width adjustable without tools – Code 3414: 4D armrests with soft-touch covers, height- and width-adjustable, movable pad, armrest support width adjustment, no tools required – Code 3424: 4D armrests with 360° rotatable soft-touch covers, height- and width-adjustable, movable pad, armrest support width adjustment, no tools required |
| Mechanism | – Synchron mechanism with automatic weight adjustment recognition with smooth force transmission in black – Seat and backrest move completely synchronously with the body – Synchronicity relationship between seat and backrest 1:3,5 – Automatic adaptation to different users‘ body weights, version for light persons available as an option – Backrest tilt mechanism: 34°, locking in foremost position possible or additional restriction of backrest movement at 8, 16 and 26° – Automatic forward tilt (resulting from a shift in the user‘s weight) of up to 5° – Optional, Synchron mechanism with individual weight adjustment in black, backrest tilt mechanism: 30°, locking in 3 positions: in upright, middle and in leaned far back (30°) position, seat can be optionally adjusted by up to 5° in seat inclination for pressure relief in the thighs |
| Seat | – Ergonomically and anatomically shaped 5-zone seat ensures even pressure distribution and long-lasting sitting comfort for any body size – Shaped foam (polyurethane foam) – Foam thickness 50 mm, upholstery thickness 50 mm – Optional sliding seat with 70-mm adjustment range |
| Seat height-adjustment | – Continuous gas spring height adjustment (390 - 520 mm) – Continuous gas spring height adjustment for larger people (400 - 550 mm) – Mechanical gas spring: Full suspension of the body weight even in the bottom seat position due to pneumatic locking, practically wear-free, no failure or gas spring replacement – Optional gaslift for counter design with footring |
| Base | – 5-star plastic base in black or light grey – Optional 5-star aluminium base in black, polished or light grey – Hard or soft castors with 65 mm diameter |
| Counter design | – Footring with 19 mm wide surface area, height-adjustable from 300 to 500 mm, diameter of 500 mm – Footring and gas spring in black, footring finish in brushed aluminium – Seat height 630 - 880 mm – Constantly braked castors for safe mounting with full mobility of the chair, always with soft covering for improved grip even on smooth floors, 65 mm diameter – Recommended for user weights up to 110 kg |
| User weight | Recommended for user weights up to 150 kg |
| Warranty | 5 years – 30 years for Sedo-lift mechanism |
Downloads
Certificates
TO MEDIACENTER You can also download all the images and documents from the Sedus Mediacenter.
