• Country
• United States of America (USA)

• Manufacturer / Brand
• Pioneer Radio Mfg. Co.; San Francisco (CA)

• Year
• 1932 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 227701

• Number of Tubes
• 4

• Valves / Tubes
• 2A5 58 57 80

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 110 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: unknown - Pioneer Radio Mfg. Co.; San

• Shape
• Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).

• Notes

• Schematic for this model is believed to be similar or identical to the Belmont 401.

• Author
• Model page created by Walter Gaudenzi † 22.Jan.2014. See "Data change" for further contributors.

• Other Models

• Here you find 8 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Pioneer Radio Mfg. Co.; San Francisco (CA)