BX633A /38

Philips; Eindhoven (tubes international!); Miniwatt

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  • Year
  • 1953
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 250999

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

 Technical Specifications

  • Number of Tubes
  • 9
  • Main principle
  • Superhet with RF-stage; ZF/IF 470/10700 kHz; 2 AF stage(s); Export model
  • Tuned circuits
  • 6 AM circuit(s)     9 FM circuit(s)
  • Wave bands
  • Broadcast, Long Wave, Short Wave plus FM or UHF.
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 19 cm = 7.5 inch
  • Power out
  • 5 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: BX633A /38 - Philips; Eindhoven tubes
  • Shape
  • Tablemodel with Push Buttons.
  • Dimensions (WHD)
  • 590 x 400 x 245 mm / 23.2 x 15.7 x 9.6 inch
  • Notes
  • Basically the same chassis as BX633A. 
    For the differences: see uploaded document in the schematics.
     
    AM radio with built-in ferroceptor:
    • LW: 150 - 350 kHz.
    • BC: 517 - 1622 kHz.
    • SW: 5,9 - 18,2 MHz.

    FM radio with dipole antenna input: 87,5 - 100 MHz.

    Loudspeaker: 9770 (5Ω).

    Dial lamps:

    • 1x 8024N (6.3V/300mA, bajonet). 
    • 2x 8045D (E10, 6.3V/320mA). 
    • 2x 8073D (E10, 6.3V/100mA).
  • Net weight (2.2 lb = 1 kg)
  • 7 kg / 15 lb 6.7 oz (15.419 lb)
  • Literature/Schematics (1)
  • -- Original-techn. papers.

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