• Country
• Netherlands

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

• Year
• 1930–1932

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 20013

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

• Main principle
• TRF with regeneration; 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) / 110-240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Universel 2533 - Philips; Eindhoven tubes

• Dimensions (WHD)
• 360 x 210 x 180 mm / 14.2 x 8.3 x 7.1 inch

• Notes
• Beim Universel ist die Lautstärke durch einen Heizvorwiderstand (Rheostat, R20) geregelt.1904 ist nur ein röhrenförmiger Stromregler

• Net weight (2.2 lb = 1 kg)
• 7.5 kg / 16 lb 8.3 oz (16.52 lb)

• Mentioned in
• Les Radio PHILIPS de collection

• Other Models

• Here you find 5233 models, 4365 with images and 3446 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt