Sonorette 50
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Compact superheterodyne AC/DC receiver
In Bakelite cabinet with wicker loudspeaker grille and gold coloured speaker cloth.
The knobs from left to right: on/off/volume control, tuning, with the wavelength swith below. At the rear is a pick-up connection, and an antenna wire. The mains cord has 50 Ohms resistance.
For medium wave (200-550 meters) and long wave (1000-1950 meters) reception.
Equipped with five American valves and a dynamic speaker with a diameter of 12 cm. The intermediate frequency is 135 kHz. Number of tuned circuits: 7. Output power: 0.9 W.
The radio went through several versions, primarily related to modifications of the circuit. The oldest model, from early 1933, has scales that are printed on the cabinet above both knobs. The radio was also released as a higher, standing model (S5) with a slightly larger speaker (diameter 19 cm). This radio has an additional tone control knob.
The original price was FFr 995,-.
Data Valves
Serial number: 219329
Dimensions (hwd): 20 x 29 x 14 cm
Made in: 1933
Purchased in: 2014
Voltages: 110-130 V ~ and -
Weight: 4.3 kg
Click on a valve for more information

What was broadcast in 1933?


Listen to "Fox-Musette No. 301" by Louis Ferrari et son Ensemble, with Louis Ferrari (acc,p) and Oscar Aleman (g); the rest of the musicians are unknown. Recorded in Parijs in November 1933.

Chassis (top)
Chassis below
Advertisement in L'Intransigeant, October 24, 1933
Poster for the Sonora Sonorette Advertisement for the Sonora Sonorette, April 1934

This page was last edited on 28.04.2019