• Country
• Italy

• Manufacturer / Brand
• Scuola Politecnica Italiana (SPI); Roma

• Year
• 1950 ??

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 126458

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

• Number of Tubes
• 2

• Valves / Tubes
• 1T4 3S4

• Main principle
• TRF with regeneration

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

• Power type and voltage
• Dry Batteries / 1,5 & 5 × 4,5 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Apparecchio multiplo - Scuola Politecnica Italiana

• Notes
• Questo apparecchio secondo i collegamenti posteriori, può trasformarsi in un: Ricevitore, oscillatore modulato, amplificatore BF, trasmettitore.
  Frequenze: OL 330-900 KHz, OM 550-1550 KHz, OC 1,9-12 MHz, OCC 12-18 MHz.
  According to rear connection settings, this device can be transformed into: receiver, modulated oscillator, amplifier, transmitter.
  Frequencies: LW 330-900 KHz, MW 550-1550 KHz, SW1 1,9-12 MHz, SW2 12-18 MHz.

• Literature/Schematics (1)
• -- Original-techn. papers. (Costruzione di un oscillatore modulato, fascicolo X-3)

• Author
• Model page created by Giuseppe Antonio Tusini. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 4 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Scuola Politecnica Italiana (SPI); Roma