• Country
• United States of America (USA)

• Manufacturer / Brand
• Midland Mfg., Decorah

• Year
• 1946

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 47069

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

• Number of Tubes
• 6

• Valves / Tubes
• 12SA7 12SK7 12J5 12J5 35L6 35Z5

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz; 3 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 105-130 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.94 inch = 10 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: M6B - Midland Mfg., Decorah

• Shape
• Tablemodel, with any shape - general.

• Notes
• The second detector socket is wired for either a 12J5 or 12H6 tube. The tuner may be either the one shown in the first or second schematic.

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Circuit diagram reference
• Rider's Perpetual, Volume 15 = 1947 and before

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 2 folder 462-30 date 7-46)

• Other Models

• Here you find 7 models, 2 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Midland Mfg., Decorah