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Superheterodyne battery receiver

Battery powered five valve radio with built-in electromagnetic loudspeaker in veneered Art Deco cabinet with black ornaments. Together with the Ondolina 331, it is the first SBR radio with a built-in loudspeaker. 

The cabinet consists of two sections: the chassis and grid bias battery are placed in the upper section; the lower section houses the loudspeaker and the connecting leads for the 120 volts anode accumulator and for the 4 volts filament accumulator.
The radio can be used with a matching SBR frame antenna.
Date stamp on one of the condenser blocks: 4-30.
The original price was 3150 Bfr (without accumulators).
 Data Valves  
Serial number: 1918
Dimensions (h x w x d): 53.5 × 38 × 22.5 cm
Made in: 1930
Purchased in: 2014
Voltages: 4/120/-1.5/-12 Volts
   
Click on a valve for more information

Circuit
An alternative tube set by Dario was also available: R83, R78, R81, R76 and R79.

What was broadcast in 1930?
 

Listen to "Happy Feet", by Billy Cotton and his Band, recorded on March 28, 1930
Back

The chassis of the radio (1)

The chassis of the radio (2)
The radio with its matching frame antenna
Advertisement in "Le Soir", March 30, 1930

Page from an SBR catalogue for 1930 with the AC/DC version and the battery version of the Superondolina 351 with a matching frame antenna

This page was last edited on 06.10.2020