• Country
• Brazil

• Manufacturer / Brand
• SEMP (-TCL, Toshiba), Sociedade Eletro-Mercantil Paulista; São Paulo

• Year
• 1954 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 168219

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 5

• Valves / Tubes
• ECH81 EF93 EBC91 EL84 6X4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 90; 115; 125; 200; 220 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Power out
• 3 W (unknown quality)

• from Radiomuseum.org
• Model: AC431/BM - SEMP -TCL, Toshiba, Sociedade

• Notes
• Short Wave: 3 bands. Dial lamp: 2x 44 (6,3V/0,25A).

• Source of data
• -- Schematic

• Author
• Model page created by Antonio Martins-Pais. See "Data change" for further contributors.

• Other Models

• Here you find 159 models, 123 with images and 45 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from SEMP (-TCL, Toshiba), Sociedade Eletro-Mercantil Paulista; São Paulo