RIZ 634 (Radio Industrija Zagreb, ex Yugoslavia, cca 1956) (with 11 tubes)
TUBES : ECC85, ECH81, EF89, EBF80, EABC80, ECC83, EL84, EL84, EM80, AZ1, AZ1
FREQUENCY : LW, MW, SW and UKW : 900m to 1800m, 200m to 550m, 6MHz to 18MHz
and UKW = 88MHz to 100MHz
POWER SUPLAY : 110VAC to 240VAC