i just wanna know as much as posible aboute it, this one haven´t been opend to so i don´t know..
i found out that in B&O Service book no. 1, radio 1947 - 1950 Following models: Master 45 P, Grand prix Ch., Mini 47, Master 47, Shaver Sh. 4, Grand prix 48 K, Beolit 48, Mini 48, Grandprix 48 Ch., Maximus 48 K og RG, Master 48 RG, Grand prix 412 K, Grand Prix 413 Ch., Aut. Pladeskifter, G. 64 A, Standard 413 K. and RG, Master de Luxe 413K. og RG, Jet 505K, Grand Prix 505K, Standard 505K, Standard 505 RG, Master 505K og Grand Prix 413 Ch. m. Beocord
and im not Dutch unfortunly