BX724A

Philips; Eindhoven (tubes international!); Miniwatt

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  • Year
  • 1952/1953
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 29990

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

 Technical Specifications

  • Number of Tubes
  • 12
  • Main principle
  • Superheterodyne (common); ZF/IF 465/10700 kHz; 3 AF stage(s)
  • Tuned circuits
  • 8 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) / 110; 125; 220; 245 Volt
  • Loudspeaker
  • 2 Loudspeakers / Ø 18.2 cm = 7.2 inch
  • Power out
  • 9.4 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: BX724A - Philips; Eindhoven tubes
  • Shape
  • Tablemodel with Push Buttons.
  • Dimensions (WHD)
  • 650 x 400 x 200 mm / 25.6 x 15.7 x 7.9 inch
  • Notes
  • AM radio for external antenna:
    • LW: 148 - 275 kHz.
    • BC: 504 - 1630 kHz.
    • SW: 5.83 - 18.4 MHz.
    FM radio with dipole antenna input: 86,5 - 101 MHz.
     
    Tube B2 (ECH42) serves for tuning, mixing and oscillator in FM as well as AM.
    FM tubes B12 (EC92) and B1 (EF42) are only RF amplifiers tuned at midband FM. 
     
    "Micro-Tuning": For the purpose of precise tuning in shortwave, the tuning button can be pulled outward permitting micro tuning around the center frequency selected on the main scale. The micro tuning scale with pointer is placed just above the push-buttons. 
     
    Separated tone control for bass and treble.
    Amplifier: Push-pull. 
    Loudspeakers: 2x 9746X (5Ω).
    Dial lamps: 2x 8045D (E10, 6.3V/320mA)
     
    Attention: there is a variant model with I.F.= 452 kHz but without distinctive suffix in the model-type, which is exceptional with Philips. Those units are recognisable at the "452 kc/s" stamp on the back of the chassis. See the specific "452kc/s" documents uploaded with this model.
     
  • Price in first year of sale
  • 675.00 Hfl
  • Literature/Schematics (1)
  • -- Original-techn. papers.
  • Author
  • Model page created by Iven Müller. See "Data change" for further contributors.

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