• Country
• Germany

• Manufacturer / Brand
• TEC Dieter Beer; Wiesbaden

• Year
• 1976 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 175224

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Dry Batteries / 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8.5 cm = 3.3 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Piano K-Tronics 3991 - TEC Dieter Beer; Wiesbaden

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 200 x 270 x 150 mm / 7.9 x 10.6 x 5.9 inch

• Notes
• Radio in Form eines Flügels, der sich öffnen lässt. Es trägt die Kennzeichnung: Muster: 3991, Modell Piano, Brand: Radio, Status: working. Es scheint Entwurf zu sein.

• Net weight (2.2 lb = 1 kg)
• 0.5 kg / 1 lb 1.6 oz (1.101 lb)

• Author
• Model page created by Reimund REINHARDT. See "Data change" for further contributors.

• Other Models

• Here you find 147 models, 140 with images and 37 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from TEC Dieter Beer; Wiesbaden