In mahogany veneered cabinet with aluminium front.
The front is devided into three
segments:
the module "Accord Antenne", with a
wavelength range switch, a tuning knob and a selector
switch for medium or long wave, the module "Longeur
d'Onde", with a wavelength range switch and a tuning
knob, and the module "Sensibilité",
with a rheostat for the filament current and a knob for
sensitivity control (reaction).
The earliest models (see picture right) did not have a
filament rheostat.
Picture
from a Belgian SBR catalogue, 1924
Behind a hinged flap at the rear are the three silver
painted metal enclosures, in which the coils and other
components are housed, properly protected. The inside of
the radio therefore looks modern and neatly arranged.
Power supply, a loudspeaker, a
(frame)antenna and earth can be connected at the rear of
the receiver.
Receives medium wave and long wave, 175-3000 meters.
The original pice was FFr 2375,-.
Data
Valves
Serial number:
1387
Dimensions (w×h×d):
56 × 36 × 33 cm
Made in:
1924-1925
Purchased in:
2017
Voltages:
4 and 80 volts
Weight:
11.6 kg
What was broadcast in 1925?
Listen to "Le Pays
du Souvenir" sung by Georges Vorelli
with orchestra, recorded in 1925
A look inside
Under-chassis
view
The
three modules without screening
The radio was sold by a retailer in
Béziers
Type plate with serial number
Picture from a catalogue
Picture postcard with a
SR4
The listening room in one of the branch
offices of the Société Française Radio-électrique in Nantes
Advertisement for the Radiola SR4 in magazine
L'Illustration, 1925, drawing by L.C. Bellaigue
Review
of the receiver in Radio-Expres, March 20, 1925
The SFR
SR4 was also sold in The Netherlands. Advertisement in
Radio-Expres, April 10, 1925