• Country
• Germany

• Manufacturer / Brand
• Koch & Sterzel AG; Dresden

• Year
• 1931/1932

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 15465

• Number of Tubes
• 5

• Valves / Tubes
• RENS1204 REN904 REN904 RE604 RGN1054

• Main principle
• TRF with regeneration; 1 Special; 2 AF stage(s)

• Tuned circuits
• 2 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• Magnetic loudspeaker (reed) of high quality (4 magnet poles).

• Material
• Wooden case

• from Radiomuseum.org
• Model: Pleo 4W - Koch & Sterzel AG; Dresden

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Price in first year of sale
• 300.00 RM +

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

• Source of data
• Radio-Schnorr-Katalog Nr.53 1931/32 / Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Picture reference
• Das Modell ist im «Radiokatalog» (Erb) abgebildet.

• Other Models

• Here you find 75 models, 49 with images and 25 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Koch & Sterzel AG; Dresden