• Country
• Germany

• Manufacturer / Brand
• Kontaktbauelemente Luckenwalde, VEB; Luckenwalde (Ostd.)

• Year
• 1987 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 79668

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 3

• Semiconductors
• SF235 SF235 SC236 A283D

• Main principle
• Superheterodyne (common); ZF/IF 455/10700 kHz

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

• Power type and voltage
• Dry Batteries / 4 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4.5 cm = 1.8 inch

• Power out
• 0.25 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: LTR25 - Kontaktbauelemente Luckenwalde

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

• Dimensions (WHD)
• 140 x 70 x 35 mm / 5.5 x 2.8 x 1.4 inch

• Notes

• Das Radio wurde im VEB Kontaktbauelemente Luckenwalde als "Konsumgut" produziert. Weiterentwicklung des LTR21, 2 Piezofilter.

• Net weight (2.2 lb = 1 kg)
• 0.2 kg / 0 lb 7 oz (0.441 lb)

• Price in first year of sale
• 170.00 Mark

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Literature/Schematics (1)
• Service-DVD Funkverlag Hein

• Author
• Model page created by Wolfgang Lill. See "Data change" for further contributors.

• Other Models

• Here you find 5 models, 4 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kontaktbauelemente Luckenwalde, VEB; Luckenwalde (Ostd.)