• Country
• Canada

• Manufacturer / Brand
• De Forest (DeForest) Crosley Radio, Consolidated Industries; Toronto

• Year
• 1935/1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 158346

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

• Number of Tubes
• 7

• Valves / Tubes
• 34S 1C6S 34S 30S 30S 30S 19

• Main principle
• Superhet with RF-stage; ZF/IF 456 kHz; 3 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Storage and/or dry batteries / 2 & 135 & 9 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Cambridge Ch= 73 - De Forest DeForest Crosley

• Notes
• The Rogers B7/30, B7/35, Majestic Algonquin, Iroquois and De Forest Oxford are electronically identical to this model.

• Circuit diagram reference
• Radio College of Canada

• Mentioned in
• RCC Rogers-Majestic section page 10, 13, 14 & Cross Reference

• Author
• Model page created by Robin Roeckers. See "Data change" for further contributors.

• Other Models

• Here you find 272 models, 131 with images and 183 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from De Forest (DeForest) Crosley Radio, Consolidated Industries; Toronto