• Country
• Netherlands

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

• Year
• 1957/1958

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 29785

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

• Number of Tubes
• 10

• Valves / Tubes
• ECC85 ECH81 EF89 EF85 EM80 EABC80 ECC83 EL86 EL86 EZ81

• Main principle
• Superheterodyne (common); ZF/IF 452/10700 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)     12 FM circuit(s)

• Wave bands
• Broadcast, Long Wave, Short Wave plus FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 110; 127; 145; 165; 220; 245 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: B7X73A - Philips; Eindhoven tubes

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 663 x 282 x 265 mm / 26.1 x 11.1 x 10.4 inch

• Notes
• AM radio with built-in ferroceptor:
  • LW: 150 - 260 kHz.
  • BC: 519 - 1620 kHz.
  • SW: 5,8 - 12,3 MHz.

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

   

  Amplifier: SRPP¹ variant, 800 Ohm transformerless output. Despite the "Bi-Ampli" logo on the scale, this radio has only 1 amplifier. Recommended external loudspeakers are:  

  • AD5035A for bass.
  • 2x AD5036B for mid/treble.

  Dial lamps: 3x 8024N (6.3V / 300mA, bajonet).

   

  ¹shunt regulated push-pull amplifier

• Literature/Schematics (1)
• -- Original-techn. papers.

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

• Other Models

• Here you find 5257 models, 4401 with images and 3453 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt