• Country
• Netherlands

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

• Year
• 1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 29582

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

• Number of Tubes
• 7

• Valves / Tubes
• EF8 ECH3 EBF2 EF9 EM4 EL3 AZ1

• Main principle
• Superhet with RF-stage; ZF/IF 452 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 145; 200; 220; 245 Volt

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

• Power out
• 4.5 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 900X - Philips; Eindhoven tubes

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

• Dimensions (WHD)
• 580 x 330 x 250 mm / 22.8 x 13 x 9.8 inch

• Notes

• Can also be used on DC (110-245V) with 7882C

  The technical papers mention a ECH3B tube instead of ECH3, which is functionally the same but with an octal base. Up to now, no radio has been found with an ECH3B tube.

• Net weight (2.2 lb = 1 kg)
• 11.6 kg / 25 lb 8.8 oz (25.551 lb)

• Price in first year of sale
• 249.00 Hfl

• Source of data
• 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 5242 models, 4383 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