• Country
• United States of America (USA)

• Manufacturer / Brand
• Acme Apparatus Co.; Cambridge (MA)

• Year
• 1922

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 31150

• Number of Tubes
• 3

• Valves / Tubes
• UV200 UV201 UV201

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); 2 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• -Loudspeaker incorporated, but system not known.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Acmefone Loudspeaker Rec. - Acme Apparatus Co.; Cambridge

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

• Dimensions (WHD)
• 16 x 11.25 x 8.5 inch / 406 x 286 x 216 mm

• Notes
• The receiver has a single tuning circuit, with a variable condenser in series with an antennae inductance. The circuit is directly connected to the detector circuit, to which is added two stages of audio amplification.

• Price in first year of sale
• 80.00 $

• External source of data
• Ernst Erb

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

• Literature/Schematics (1)
• Radio Broadcast, May 1922, page 77

• Literature/Schematics (4)
• 1922 Montgomery Wards Radio Catalog page 9

• Other Models

• Here you find 21 models, 20 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Acme Apparatus Co.; Cambridge (MA)