• Country
• Germany

• Manufacturer / Brand
• UNBEKANNTE FIRMA D / A / CH - Siehe Anleitung unter der «Firma»

• Year
• 1988 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 190411

• • alternative name: Unknown, Custom Built

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch

• Material
• Special material, described in the notes.

• from Radiomuseum.org
• Model: DR410 Jd-Design - UNBEKANNTE FIRMA D / A / CH -

• Shape
• Design Radio or Novelty / Gadget - fancy or unusual shape.

• Dimensions (WHD)
• 300 x 230 x 180 mm / 11.8 x 9.1 x 7.1 inch

• Notes
• Vollkommen transparentes Designgerät aus Plexiglas mit zwei farbigen Leuchtröhren.

• Net weight (2.2 lb = 1 kg)
• 2.140 kg / 4 lb 11.4 oz (4.714 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Jörg Sigg. See "Data change" for further contributors.

• Other Models

• Here you find 475 models, 414 with images and 41 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from UNBEKANNTE FIRMA D / A / CH - Siehe Anleitung unter der «Firma»