• Country
• United States of America (USA)

• Manufacturer / Brand
• Midwest Radio Co., The, (Miraco); Cincinnati, OH

• Year
• 1942 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 47268

• • Brand: Miraco

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

• Number of Tubes
• 4

• Valves / Tubes
• 12SA7 12SQ7 50L6GT 35Z4GT or 35Z5GT

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 110 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 4 inch = 10.2 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: 422 Ch= RE-91 - Midwest Radio Co., The, Miraco

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 6.5 x 5 x 4 inch / 165 x 127 x 102 mm

• Notes

• The only difference between the radio and the schematics is the electromagnetic speaker.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 14 = 1944 = before 1943

• Other Models

• Here you find 317 models, 181 with images and 214 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Midwest Radio Co., The, (Miraco); Cincinnati, OH