850A

• Country
• Netherlands

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

• Year
• 1938/1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 29573

• Picture
• Schematics

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

• Number of Tubes
• 8

• Valves / Tubes
• EF8 EK3 EF9 EAB1 EM1 EF6 EL6 1561

• Main principle
• Superhet with RF-stage; ZF/IF 473 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110; 127; 145; 200; 220; 245 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 26 cm = 10.2 inch

• Power out
• 8 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 850A - Philips; Eindhoven tubes

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 670 x 590 x 310 mm / 26.4 x 23.2 x 12.2 inch

• Notes
• • Motortuning: 12 programmable push buttons, 2 buttons for up/down tuning.
  • Silent tuning.
  • Contrast expansion (audio expander).
  • Acoustic lens.
  • There are models with different I.F.: 850A-20 (444 kHz) and 850A-32 (452 kHz).

• Net weight (2.2 lb = 1 kg)
• 26.7 kg / 58 lb 13 oz (58.811 lb)

• Price in first year of sale
• 295.00 hfl

• Source of data
• Overzicht v.de toe te p PHILIPS

• Mentioned in
• Technisch- Commercieel - Radio Vademecum Staleman

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

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

• Other Models

• Here you find 5247 models, 4390 with images and 3450 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt