• Country
• Germany

• Manufacturer / Brand
• Philips Radios - Deutschland

• Year
• 1934/1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 7369

• • Brand: Deutsche Philips-Ges.

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

• Number of Tubes
• 6

• Valves / Tubes
• AK1 AF2 AB1 E446 E443H 506

• Main principle
• Superheterodyne (common); ZF/IF 104 kHz

• Tuned circuits
• 7 AM circuit(s)

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

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Oktoden-Super 521A - Philips Radios - Deutschland

• Dimensions (WHD)
• 350 x 400 x 210 mm / 13.8 x 15.7 x 8.3 inch

• Notes
• ZF 104/115; Fabrikation Holland!

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

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

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

• Other Models

• Here you find 2543 models, 2255 with images and 1564 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips Radios - Deutschland