Helkama HR-Mikko 6821 W 





Helkama HR-Mikko 6821 W
Helkama HR-Mikko 6821 W
Sn: 370XX
Tubes: ECC85, ECH81, EF89, EABC80, EL84, EM80
Dimensions: 342 x 240 x 180 (mm)
Year: 1958
ID: 1223