ASA 4 





ASA 4
ASA 4, Radioliike Arvo Sakrelius Turku
Tubes: B442, A409, B405, B405
Accumulator (4V) wiring: red = + and blue = -
Battery wiring: green = +7V, grey = +30V, brown = +60V, red = +100-120V and blue = -
Dimensions: 560 x 193 x 227(255 with knobs)mm
Year: 1927-29
ID: 0107