• Country
• Netherlands

• Manufacturer / Brand
• Philips; Eindhoven (tubes international!); Miniwatt

• Year
• 1936/1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 26893

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

• Number of Tubes
• 5

• Valves / Tubes
• AK2 AF3 AB2 AL4 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 128 kHz

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

• Power type and voltage
• AC/DC-set / 110-245 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21 cm = 8.3 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Prelude 456U - Philips; Eindhoven tubes

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 400 x 340 x 300 mm / 15.7 x 13.4 x 11.8 inch

• Notes

• As 456A, however with connector for converter 7926 unit for DC operation.

  The schematic mentions Vibrator code no. 28.890.290 and Converter Unit code no. 28.891.460

• Net weight (2.2 lb = 1 kg)
• 12.5 kg / 27 lb 8.5 oz (27.533 lb)

• Price in first year of sale
• 128.00 hfl

• Source of data
• Overzicht v.de toe te p PHILIPS

• Mentioned in
• Technisch- Commercieel - Radio Vademecum Staleman

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

• Author
• Model page created by Iven Müller. See "Data change" for further contributors.

• Other Models

• Here you find 5233 models, 4365 with images and 3445 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt