• Country
• United States of America (USA)

• Manufacturer / Brand
• Electrical Research Laboratories Inc. (Erla); Chicago, Illinois

• Year
• 1924 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 332889

• Number of Tubes
• 5

• Valves / Tubes
• UV201A UV201A UV201A UV201A UV201A

• Main principle
• 3 AF stage(s); Reflex

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: Duo-Reflex and Amplifier - Electrical Research

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 31 x 10 x 16 inch / 787 x 254 x 406 mm

• Notes

• Erla kit radio

• Author
• Model page created by Steve Valeriote. See "Data change" for further contributors.

• Other Models

• Here you find 134 models, 47 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Electrical Research Laboratories Inc. (Erla); Chicago, Illinois