Bi-Ampli BX740A /00

• Country
• Netherlands

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

• Year
• 1954/1955

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 29993

• Picture
• Schematics

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

• Number of Tubes
• 12

• Valves / Tubes
• EF80 EC92 ECH81 EF85 EM80 EF41 EABC80 EBC81 EL84 EL84 EZ80 EZ80

• Main principle
• Superhet with RF-stage; ZF/IF 452/10700 kHz; 3 AF stage(s)

• 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 /00 - Philips; Eindhoven tubes

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 670 x 435 x 243 mm / 26.4 x 17.1 x 9.6 inch

• Notes
• 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).

   

• Net weight (2.2 lb = 1 kg)
• 16.9 kg / 37 lb 3.6 oz (37.225 lb)

• Price in first year of sale
• 525.00 Hfl

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

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

• Other Models

• Here you find 5242 models, 4383 with images and 3445 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt