• Country
• United States of America (USA)

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: USA

• Year
• 1980 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 232986

• Number of Transistors
• 9

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.5 cm = 2.2 inch

• Power out
• 0.2 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Detson F-3 - Unknown - CUSTOM BUILT: USA

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 75 x 125 x 45 mm / 3 x 4.9 x 1.8 inch

• Notes

• Detson AM/FM mdl F-3, earphone jack, carrying strap, speaker metal meshed grill.

• Net weight (2.2 lb = 1 kg)
• 0.270 kg / 0 lb 9.5 oz (0.595 lb)

• Author
• Model page created by Eckhard Wegner. See "Data change" for further contributors.

• Other Models

• Here you find 265 models, 220 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: USA