• Country
• United States of America (USA)

• Manufacturer / Brand
• Eveready (Ever Ready), AENMC / National Carbon Company (NCC); Columbia

• Year
• 1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 49523

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

• Number of Tubes
• 6

• Valves / Tubes
• 40 40 40 40 40 112A

• Main principle
• TRF without regeneration; Neutrodyne

• Tuned circuits
• 4 AM circuit(s)

• 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: Eveready 21 - Eveready Ever Ready, AENMC /

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

• Dimensions (WHD)
• 13.3 x 10 x 13.3 inch / 338 x 254 x 338 mm

• Notes

• One dial (primary tuning control knob)

• Price in first year of sale
• 40.00 $

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

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

• Other Models

• Here you find 157 models, 138 with images and 20 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Eveready (Ever Ready), AENMC / National Carbon Company (NCC); Columbia