AV Stumpfl Monoblox projection surface for rear projection with a 3:2 aspect ratio. The overall surface measures 203 × 143 cm, with a net projection area of 183 × 123 cm. The surface is identified by gain code R10 D and is supplied as a projection surface only; the frame and stand are separate articles. The product weighs 1.75 kg net and is designated for the Monoblox series.