Technical Information Year of Construction 2003 Architectural Design Helin & Co Acoustic Design Insinööritoimisto Akukon Oy Building Management City of Espoo / Real Estate Department and Culture Unit Hall Size 590 m2 Number of Seats 395 / 351 Foyer Size 300 m2 Stage Size 178 m2 Stage Depth 10,5 m Stage Width 17 m Sello Hall virtual presentation Adjustable stage acoustic with motorised acoustic velvet curtains (black) Motorised projection screen on fore stage size 8 m x 8 m Motorised house curtain ( horizontal ) Dance floor vario PVC: black/white and black/grey