Classic 4000 – Ergonomic Work Chair for Long Sitting Hours
The best ergonomic choice for personal workplaces and long periods of sitting
Classic 4000 is an ergonomically advanced work chair tailored to your individual needs. It provides the perfect combination of movement, support, and relief – all day long.
With knee tilt mechanism, the seat tilts 17° backwards and 4° forwards, ensuring dynamic comfort and consistent support. The chair offers variable backrest adjustment, six seat depth positions, and stepless backrest incline.
Classic 4000 comes with multiple options such as different gas lifts, polished aluminium base, Pascal by DUX® seat, decorative stitching, and coccyx seat. Accessories like adjustable neckrest, CoronaPlus armrest, ErgoFlex armrest, and tilt lock make the chair adaptable to various work environments.
Classic 4000 – the ergonomic chair that combines movement, support, and comfort for long working days.
The chair is available in a wide range of colors. NOTE! The ESD fabric is only available in black.
Contact us for customized chairs for your needs.
Specifications
Tilt Knee tilt
Tilt range 17° backwards 4° forwards
Seat height
approx. 45-56 cm
Seat depth settings
6 positions
8 cm
Back rest height adjustment
Variable approx. 15cm
Back rest incline
Variable Seat
D: 46 cm
W: 47 cm
Back rest
H: 49 cm
W: 42 cm
Chair base
Ø 72 cm
Options
1 / Castors for soft floors / 5 pcs
2 / Gaslift 1A low, height approx. 42-49 cm
3 / Gaslift 2C high, height approx. 47-58 cm
4 / Gaslift 2B extra high, height approx. 51-62 cm
5 / Polished aluminium base
6 / Pascal by DUX®-seat
7 / Decorative stitching
8 / Coccyx-seat
Accessories
1 / Adjustable neckrest
2 / Armrest CoronaPlus
3 / Armrest ErgoFlex
4 / Tilt lock 0°
(17° backwards / 0° forwards)