• Country
• United States of America (USA)

• Manufacturer / Brand
• Krasco Manufacturing Co. Inc./ Krasberg Tool & MFG. Co.; Chicago, Illinois (Monarch)

• Year
• 1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 330157

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

• Number of Tubes
• 6

• Valves / Tubes
• UV199 UV199 UV199 UV199 UV199 UV199

• Main principle
• Radio Frequency Amplification only; 2 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 6 x 1.5 / 22 / 90 Volt

• Loudspeaker
• Horn

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Monarch Portable - Krasco Manufacturing Co. Inc./

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 19 x 16 x 8 inch / 483 x 406 x 203 mm

• Notes

• One tuned circuit and a three step broadband RF amplifier, using Duratran 220 to 550 Meter RF transformers.

  See earlier model Monarch Loop Portable.

• Net weight (2.2 lb = 1 kg)
• 36 lb (36 lb 0 oz) / 16.344 kg

• Mentioned in
• -- Original prospect or advert (The Talking Machine World, Dec. 15, 1924, page 149)

• Author
• Model page created by Jeffrey Rehkopf. See "Data change" for further contributors.

• Other Models

• Here you find 5 models, 5 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Krasco Manufacturing Co. Inc./ Krasberg Tool & MFG. Co.; Chicago, Illinois (Monarch)