• Year
  • 1955
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 181278

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

 Technical Specifications

  • Number of Tubes
  • 12
  • Main principle
  • Superhet with RF-stage; ZF/IF 470/10700 kHz; 3 AF stage(s); Export model
  • Tuned circuits
  • 6 AM circuit(s)     10 FM circuit(s)
  • Wave bands
  • Broadcast, Long Wave, Short Wave plus FM or UHF.
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 125; 145; 200; 220; 245 Volt
  • Loudspeaker
  • 2 Loudspeakers
  • Power out
  • 10 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Bi-Ampli BX740A /16 - Philips; Eindhoven tubes
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 670 x 435 x 243 mm / 26.4 x 17.1 x 9.6 inch
  • Notes
  • Ausführung für die Schweiz. Thermosicherung. "Bi - Ampli", d.h. getrennte Endstufen für hohe und tiefe Töne.
    "Ferroceptor", d.h. Ferritantenne(n) in einem Faradayschen Käfig. Dadurch erhebliche Minderung von Störungen auf den AM - Bereichen.


    Export model for Switserland.
     
    AM radio with built-in ferroceptor in Faraday cage:
    • LW: 150 - 345 kHz.
    • BC: 517 - 1613 kHz.
    • SW: 5,95 - 18,15 MHz.
    FM radio with dipole antenna input: 87.5 - 100 MHz.
     
    Amplifier: "Bi-Ampli" separated output stages for bass and full-range (not bass and treble).
     
    Loudspeakers: 
    • 9710M  for bass (7Ω, 19.5 cm, co-axial).
    • 9766M for full-range (5Ω, 11 cm, co-axial).

    Dial lamps: 1x 8073D (E10, 6.3V/100mA) + 3x 8045D (E10, 6.3V/320mA).

  • Source of data
  • -- Original-techn. papers.
  • Literature/Schematics (1)
  • -- Original-techn. papers.
  • Author
  • Model page created by Ottmar Lauth. See "Data change" for further contributors.

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