Seat height

The standard height is either 48, 50 or 52 cm (other heights available on request).

If necessary the seat frame height can be increased by 30, 40, 60 or 80 mm by simply adding on the appropriate extensions (see accessories).

Adjustment: fluid inclination adjustment up to 20° via eccentric quick-release fastener

Seat shape: standard "F" = flat; or optionally "S" = S-shape

Backrest adjustment: fluid adjustment of height via knurled screw, fluid adjustment of inclination via pneumatic mechanism with release lever.

Frame: high-gloss chrome-plated or black powder-coated

Stackability: up to 8 chairs, free standing

Accessories (extra charge):

• Instrument guard 3106IS
• Height extension
  + 30 mm = 3106U30
  + 40 mm = 3106U40
  + 60 mm = 3106U60
  + 80 mm = 3106U80

Chair frame

The chair frame is crafted from 2 mm thick steel tubing with a diameter of 20 mm in black powder-coated finish (other colours available on request). All chair frames are fitted with protective bars to enable secure stacking and floor-friendly black plastic feet.

Seat inclination

The seat inclination can be fluidly adjusted by up to 20° by means of a sturdy, user-friendly eccentric quick-release fastener. Once set, the position is firm and steady.

Seat shapes

1. Standard shape "F" with rounded front edge
2. Curved shape "S" with rounded front edge and spinal support
The rounded front edge forestalls leg fatigue and circulatory problems. The back support forestalls damage caused by poor sitting positions.
Seating surface: width x depth = 44 x 42 cm.

Backrest adjustment

The backrest inclination is adjusted by means of a TÜV-tested safety pneumatic spring with release lever with break-proof bearing. Thanks to extreme lift of the pneumatic spring, the backrest provides support even when seated in the foremost seating position. The removable backrest can be adjusted in height fluidly and silently by means of a knurled screw. The position set is firm and steady.

Seat design

The seat, mounted on elastic rubber elements, is crafted from robust multi-ply beech wood and features ventilation perforation holes. The "F" (flat profile) and "S" (S-shaped profile) seats have a 4 cm thickness of high-quality breathable foam rubber cushioning, a foam rubber thickness of 2.5 cm being optionally available.

Backrest

The backrest pan is made from multi-ply beech wood and covered with a synthetic material covering. The backrest cushioning is a 3 cm thick layer of high-quality breathable furniture-grade foam rubber. Its moveable mounting on back upright allows it to adapt perfectly to the user's posture.

Fabric cover

The chair has a high-quality, flame-retardant upholstery fabric made of Trevira® CS fibers (meets fire protection form B1) with a rub resistance of 100,000 Martindale (maximum durability). The standard colour is noble anthracite.

Fabric colours
2 or 3 tone mixtures: red, wine-red, blue, anthracite (standard)
solid colour: black

We strongly recommend 2 or 3 tone soil-resistant fabrics. However, custom upholstery is available on demand.

Stackability

All Kolberg orchestra chairs can be stacked, free-standing. Sturdy plastic covers protect the chair frames. Stacking bars ensure balance and prevent contact between frame and upholstery.