• Country
• United States of America (USA)

• Manufacturer / Brand
• Hartman Electrical Mfg. Co., The; Mansfield, Ohio

• Year
• 1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 44157

• Number of Tubes
• 5

• Valves / Tubes
• UV201A UV201A UV201A UV201A UV201A

• Main principle
• TRF without regeneration; 2 AF stage(s)

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 6 & 90 Volt

• Loudspeaker
• Horn

• Material
• Wooden case

• from Radiomuseum.org
• Model: Hartman Model 12-B - Hartman Electrical Mfg. Co.,

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

• Dimensions (WHD)
• 31 x 12 x 14 inch / 787 x 305 x 356 mm

• Notes
• Three dials (primary tuning control knobs)

• Net weight (2.2 lb = 1 kg)
• 55 lb (55 lb 0 oz) / 24.970 kg

• Price in first year of sale
• 155.00 $

• External source of data
• Ernst Erb

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

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition

• Literature/Schematics (1)
• September 1925, Electrical Record Supplement page 39

• Other Models

• Here you find 29 models, 22 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hartman Electrical Mfg. Co., The; Mansfield, Ohio