• Country
• Netherlands

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

• Year
• 1953/1954

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 29967

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

• Number of Tubes
• 7

• Valves / Tubes
• EF41 ECH81 EBF80 EBC41 EM34 EL42 EZ80

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

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Line / Storage batteries (perhaps also batteries) / DC: 6 / AC: 90; 110; 125; 180; 200; 220 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: BX638Z - Philips; Eindhoven tubes

• Dimensions (WHD)
• 550 x 345 x 260 mm / 21.7 x 13.6 x 10.2 inch

• Notes

• 5 KW Bereiche, 6V Betrieb möglich mit Einheit AU-1004

  ---

  Bakelite case with painted woodgrain.
   
  AM radio for external antenna:
  BC: 517 - 1622 kHz.
  SW1: 1,604 - 5 MHz.
  SW2: 5 - 9,3 MHz.
  SW3: 9,1 - 13 MHz.
  SW4: 11,6 - 17,6 MHz.
  SW5: 17,6 - 27,3 MHz.
   
  The unit has a vernier to fine tune SW consisting in 2 coils with moving core, moved by the cental button on the front of the set. See picture added.
   
  When vibrator unit AU1004 is installed, the radio can also be used on a 6 Volt storage battery.
   
   

• Source of data
• -- Original-techn. papers.

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

• Other Models

• Here you find 5243 models, 4384 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