This radio originates from France (1946), employs 5 tubes (ECH3, EF9, EBF2, CBL6 and CY2), has four
wave bands (MW, LW and 2x SW), an IF of 472 kHz and operates on 110-120 Volts DC or AC. The housing is of brown bakelite, but the speaker
grille is made out of red plastic. Cabinet size: 29.6 x 18.2 x 19.2 cm
(width x height x depth).
This Radialva Super-AS (1946) is the earliest type in a longer range.
Later types (e.g. 1952) use tubes of the 40 series.
The radio, acquired at a radio market in Belgium, was in a pretty good shape. However, the fuse was
by-passed, which made me rather suspicious. The smoothing capacitor was replaced by a previous owner, but nonetheless
appeared to be leaky and had to be replaced. The coupling capacitor between the tubes EBF2 and CBL6 was leaky as well. I emptied the housing of this capacitor and filled it with a high quality 100nF capacitor. I replaced the EBF2 which had
almost no emission and the rectifier CY2 which was in a poor condition. The IF stage required retuning
as it turned out to be around 482 kHz, 10 kHz higher than the official value. The radio is performing quite well now on all
four wave bands.
The dial is slightly damaged and stil has to be replaced.