Radiomarelli  ALAUDA

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Brand

Radiomarelli

Model

ALAUDA

Country

Italy

Year

1933

Frequency range

Medium Waves (200 – 550 m).

Tubes

6A7 - 6B7 - 43 - 25Z5

Intermediate frequency 465 Kc

Power supply

110 / 160 V. a.c.

Measure of the case

26,5 cm wide; 20,8 cm tall; 13,5 cm deep.

Overall dimensions

26,5 cm wide; 22 cm tall; 16 cm deep.

Weight

Kg. 4,5 

 

Presented in 1933, Alauda is the smallest and cheapest set manufactured by Radiomarelli at that time.
It’s a reflex superheterodyne which can receive only the medium waves and the volume control operates in the antenna circuit.

The filaments of the valves are connected in series and the power supply is made by a little autotransformer which operates the mains voltage adapter also.

A lot of of these sets hasn’t the power supply switch.

Alauda is conceptually similar to the Bosch mod. 402, you can see how the chassis and the speaker are similar to the ones of American radio.

 

        

Different versions :

                          

  First version, the mains voltage         The second version has the

  adapter is located in the chassis.       mains voltage adapter located on     

                                                                 the power supply transformer.