• Country
• Netherlands

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

• Year
• 1928–1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 13163

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

• Number of Tubes
• 3

• Valves / Tubes
• B442 B415 or B424 B543 1904_Ba

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); 1 Special; 1 AF stage(s)

• Tuned circuits
• 2 AM circuit(s)

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

• Power type and voltage
• Direct Current supply (DC) / 200-240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: 2524 - Philips; Eindhoven tubes

• Dimensions (WHD)
• 370 x 190 x 130 mm / 14.6 x 7.5 x 5.1 inch

• Notes
• The regulator is not a normal 1904 but a 1904 with a small baïonette socket.

• Net weight (2.2 lb = 1 kg)
• 8.1 kg / 17 lb 13.5 oz (17.841 lb)

• Price in first year of sale
• 195.00 Hfl

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

• Source of data
• Technisch- Commercieel - Radio Vademecum Staleman

• Mentioned in
• Les Radio PHILIPS de collection

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

• Other Models

• Here you find 5271 models, 4415 with images and 3456 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt