Preludio/Prélude 456A

• Country
• Switzerland

• Manufacturer / Brand
• Philips - Schweiz

• Year
• 1936/1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 13250

• Picture
• Schematics

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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
• Alternating Current supply (AC) / 110-240 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Preludio/Prélude 456A - Philips - Schweiz

• Dimensions (WHD)
• 400 x 340 x 270 mm / 15.7 x 13.4 x 10.6 inch

• Notes

• Klappskala [725101]

• Price in first year of sale
• 312.00 SFr

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Thali-Schemasammlung und Tungsram-Röhrenbestückung.

• Mentioned in
• Les Radio PHILIPS de collection

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

• Other Models

• Here you find 290 models, 216 with images and 224 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips - Schweiz