• Country
• United States of America (USA)

• Manufacturer / Brand
• Mission Bell Radio Mfg. Co.; Los Angeles (CA)

• Year
• 1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 128464

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

• Number of Tubes
• 6

• Valves / Tubes
• 1N5 1A7 1N5 1H5 1A5 117N7

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / 6; 90; 105-125 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• from Radiomuseum.org
• Model: 504 [Late] - Mission Bell Radio Mfg. Co.;

• Circuit diagram reference
• Rider's Perpetual, Volume 12 = ca. 1941 and before

• Author
• Model page created by Götz Linss † 27.06.21. See "Data change" for further contributors.

• Other Models

• Here you find 80 models, 17 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mission Bell Radio Mfg. Co.; Los Angeles (CA)