• Country
• Germany

• Manufacturer / Brand
• Braun; Frankfurt

• Year
• 1951–1953

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1315

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

• Number of Tubes
• 5

• Valves / Tubes
• DK40 DF91 DF91 DAF91 DL92

• Number of Transistors

• Semiconductors
• E220C60

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Line / Batteries (any type) / AC/DC 110; 125; 220; 240 / Bat 9 & 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 13 cm = 5.1 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Piccolo P51 [DL92] - Braun; Frankfurt

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 320 x 260 x 140 mm / 12.6 x 10.2 x 5.5 inch

• Notes

• Form wie P50; Wellen-Schalter auf der Rückseite.

  Wellenbereiche: Kurz: 25..51m, Mittel: 185..585m, Lang: 800..2000m
  Stromversorgung durch kombinierte Heiz- und Anodenbatterie Emce 710
  Lt. Katalogangabe Betriebsdauer ca. 160 h
  Gewicht mit Batterien: 5,2 kg

• Net weight (2.2 lb = 1 kg)
• 3.5 kg / 7 lb 11.3 oz (7.709 lb)

• Price in first year of sale
• 285.00 DM

• Source of data
• Kat.d.Rundf.GrossH.1951/52 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange Schaltungen der Funkindustrie, Buch 2

• Mentioned in
• Funk-Technik (FT) (5105)

• Literature/Schematics (1)
• -- Original-techn. papers.

• Picture reference
• Eine Abbildung findet sich im Doppelband "Radios von gestern"

• Other Models

• Here you find 1061 models, 931 with images and 651 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Braun; Frankfurt