• Country
• United States of America (USA)

• Manufacturer / Brand
• Gamble-Skogmo, Inc.; Minneapolis, MN

• Year
• 1946/1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 41258

• • Brand: Coronado

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

• Number of Tubes
• 5

• Valves / Tubes
• 12SA7 12SK7 12SQ7 50L6GT 35Z5GT

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 105-125 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Coronado 43-8240 - Gamble-Skogmo, Inc.;

• Shape
• Tablemodel, with any shape - general.

• Notes
• The Coronado model 43-8240 is an AC-DC Operated Superheterodyne Receiver - Self Contained Loop Antenna.

• External source of data
• Ernst Erb

• Source of data
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Circuit diagram reference
• Rider's Perpetual, Volume 17 = 1948 and before

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date: Jan 1947, Set 12, Folder 472-8)

• Other Models

• Here you find 710 models, 335 with images and 638 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Gamble-Skogmo, Inc.; Minneapolis, MN