Manufacturer : Telekomunikacije Ljubljana Type : R40 - Slavcek Produced : 1951 - formel Yugoslavia ( rep.Slovenia ) Frequency range : MW, SW Receiving mode : superhet Tubes : 6BE6, 6BA6,6AV6, 50B6, 35W4 Speaker : internal dynamic low impedance speaker (4 ohms) Power supply : 110V / 220V, 50Hz Receiving estimation (1-10) : 8 Global estimation (1-10) : 6 Specials : built in short wire antenna Note : 1st  slovenian radio        - rare model