Original post by Crul@lemm.ee:

Source with more info: Radiomuseum - Juno MK-29 R-Player Budapesti Rádiótechnikai Gyár BRG, build

Dimensions (WHD)
280 x 75 x 240 mm / 11 x 3 x 9.4 inch

Net weight (2.2 lb = 1 kg)
3.1 kg / 6 lb 13.3 oz (6.828 lb)