radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

History of the manufacturer  

S Eletroacústica (LE-SON); São Paulo

As a member you can upload pictures (but not single models please) and add text.
Both will display your name after an officer has activated your content, and will be displayed under «Further details ...» plus the text also in the forum.
Name: S Eletroacústica (LE-SON); São Paulo    (BR)  
Abbreviation: s-eletro
Products: Model types Others
Summary:

S Eletroacústica
Rua Jorge Americano 377, São Paulo / SP

Brand: LE-SON

Manufacturer of LE-SON branded components for hi-fi audio, such as ceramic and magnetic pickup cartridges, diamond and sapphire replacement tips, amplifier kits, turntables (record players), speaker box, microphones, phones, etc.

History:

During WWII a group from the Escola Politécnica (São Paulo University) were developing crystals for sonar application together with the Brazilian Navy. After the war, one of the researchers, Dr. Paulo Bittencourt, founded S Eletroacústica for the production of pickup cartridges and microphones.

Later on, many other products were added to the company portfolio. Most of the products were "LE-SON" branded.

This manufacturer was suggested by Antonio Rabitti.


Some models:
Country Year Name 1st Tube Notes
BR  60 Fur-O-Flex   Speaker box bass reflex type, tu use with Stereo-Sonic. Speakers = 1 x woofer and 1... 
BR  70 Cápsula cerâmica 2301   Ceramic cartridge for record player pickup. Le-son branded 
BR  70 Cápsula cerâmica 2302   Ceramic cartridge for record player pickup 
BR  70 Cápsula cerâmica 3101   Ceramic cartridge for record player pickup 
BR  70 Cápsula cerâmica 3500Y   Ceramic cartridge for record player pickup. Le-son branded 
BR  70 Cápsula cerâmica 3800Y   Ceramic cartridge for record player pickup. Le-son branded 
BR  70 Cápsula cerâmica 6102   Ceramic cartridge for record player pickup. Le-son branded 
BR  70 Cápsula cerâmica 6202   Ceramic cartridge for record player pickup. Le-son branded 
BR  70 Cápsula cerâmica C3D-A   Ceramic cartridge for record player pickup. Le-son branded 
BR  70 Cápsula cerâmica CP3-W   Ceramic cartridge for record player pickup. Le-son branded 
BR  70 Cápsula cerâmica CP3-X   Ceramic cartridge for record player pickup. Le-son branded 
BR  70 Cápsula cerâmica EV-181   Ceramic cartridge for record player pickup. Le-son branded 

[rmxhdet-en]

Further details for this manufacturer by the members (rmfiorg):

tbn_br_seletro_1975_pic.jpg
Stereo cartridge line. In the detail the sapphire polishing machines, for tips production. From Rádio e Televisão Magazine, 1960tbn_br_seletro_1960_factory1.jpg
Detail of the rotor balancing machine, in the record player production line From Rádio e Televisão Magazine, 1960tbn_br_seletro_1960_factory2.jpg
Final control of stereo cartridge production. Frequency response checked from 50Hz to 10kHz From Rádio e Televisão Magazine, 1960tbn_br_seletro_1960_factory3.jpg
View of the belt drive record player assembly station From Rádio e Televisão Magazine, 1960tbn_br_seletro_1960_factory4.jpg
Dehumidified room for ceramic elements assembly From Rádio e Televisão Magazine, 1960tbn_br_seletro_1960_factory5.jpg
S Eletroacústica factory, toolmaking section 1960tbn_br_seletro_1960_factory6.jpg
S Eletroacústica factory, press parts manufacturing 1960tbn_br_seletro_1960_factory7.jpg

  

Data Compliance More Information