• Country
• United States of America (USA)

• Manufacturer / Brand
• DeForest Radio Telephone & Telegraph Co. (De Forest); New York

• Year
• 1920

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 281324

• • alternative name: Lee De Forest Mfg.

• Main principle
• Tuner pre 1926 (not a wave trap)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Differentially Balanced Double Multi-wave Tuner Type T-100 - DeForest Radio Telephone &

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

• Dimensions (WHD)
• 20 x 13 x 11 inch / 508 x 330 x 279 mm

• Net weight (2.2 lb = 1 kg)
• 65 lb (65 lb 0 oz) / 29.510 kg

• Price in first year of sale
• 135.00 $

• Mentioned in
• DeForest Radio Receiving Apparatus Catalog C page 46-47

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 158 models, 132 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from DeForest Radio Telephone & Telegraph Co. (De Forest); New York