• Country
• Netherlands

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

• Year
• 1956/1957

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 29702

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

• Number of Tubes
• 9

• Valves / Tubes
• ECC85 ECH81 EF89 EF85 EM80 EABC80 EL84 EL86 EZ80

• 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
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 15 cm = 5.9 inch

• Material
• Bakelite case

• from Radiomuseum.org
• Model: B4X61A - Philips; Eindhoven tubes

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 517 x 346 x 223 mm / 20.4 x 13.6 x 8.8 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 type in 800 Ohm (loudspeaker AD3700AM).
  Dial lamps: 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 5270 models, 4414 with images and 3457 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt