Number of Transistors Semiconductors present. Semiconductors Main principle Audio-Amplification Wave bands - without Details Special Tape or Cassette-Format Power type and voltage Alternating Current supply (AC) / 110Volt /220 Volt /240Volt Loudspeaker - This model requires external speaker(s). Material Wooden case from Radiomuseum.org Model: IC RS-83 - Skandia Electronics Shape Tablemodel, low profile (big size). Dimensions (WHD) 460 x 125 x 245 mm / 18.1 x 4.9 x 9.6 inch Notes The RS-83 was an 8 track stereo cassette player and recorder equiped with VU meters, FF, auto stop selector (you could choose in which track the player turned off automatically or play ad infinitum). You could connect it to a record player with ceramic or magnetic head. The facade was made of thick aluminium and the case was made of high quality wood veneer. Net weight (2.2 lb = 1 kg) ~7 kg / 15 lb 6.7 oz (15.419 lb) Includes 3 old but working cassettes