• Country
• United States of America (USA)

• Manufacturer / Brand
• Haji Company; Boston, Massachusetts

• Year
• 1926 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 334257

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

• Number of Tubes
• 4

• Valves / Tubes
• UV199 UX200A UX201A UX201A

• Main principle
• TRF with regeneration; 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, 22, 90, -4.5 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Copley - Haji Company; Boston,

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

• Dimensions (WHD)
• 20 x 9 x 12 inch / 508 x 229 x 305 mm

• Notes

• The circuit is the same as a Browning-Drake Regeformer.

• Net weight (2.2 lb = 1 kg)
• 12 lb (12 lb 0 oz) / 5.448 kg

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

• Other Models

• Here you find 1 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Haji Company; Boston, Massachusetts