• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Apparatus Co.; Detroit, Michigan

• Year
• 1923/1924

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 52381

• • Brand: Etherphone

• Number of Tubes
• 1

• Valves / Tubes
• UV201A

• Main principle
• TRF with diode detector; Reflex

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Etherphone RX1 - Radio Apparatus Co.; Detroit,

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

• Notes
• Radio Apparatus Company RX-1 One-Tube Reflex receiver. "This one-tube Receiver, using the UV201-A Tube, OPERATED BY DRY CELLS, also brings in many distant stations with sufficient volume for loud speaker reproduction."

• Price in first year of sale
• 45.00 $

• Source of data
• Radio Collector`s Guide 1921-1932

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

• Literature/Schematics (4)
• October 1923 Popular Radio advertisement page 24

• Author
• Model page created by Peter Rutishauser. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Apparatus Co.; Detroit, Michigan