• Country
• Austria

• Manufacturer / Brand
• Zerdik; Wien

• Year
• 1941/1942

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 11089

• Number of Tubes
• 4

• Valves / Tubes
• UCH21 UCH21 UBL21 UY21

• Main principle
• Superheterodyne (common); ZF/IF 452 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• AC/DC-set / 110/220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Zwergsuper Z637L - Zerdik; Wien

• Notes

• Ch= Philips 203U. Sogenanntes Verlagerungsgerät.

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Lange + Schenk

• Mentioned in
• Funkgeschichte der GFGF (Nr. 234, 235, 236 (2017))

• Other Models

• Here you find 166 models, 115 with images and 76 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zerdik; Wien