• Country
• Switzerland

• Manufacturer / Brand
• Philips - Schweiz

• Year
• 1938/1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 13293

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-U - Philips - Schweiz

• Shape
• Tablemodel with Push Buttons.

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

• Notes
• • Motorabstimmung, 12 programmierbare Drucktasten, 2 Tasten für UP/DOWN-abstimmung.
  • Geräuschlose abstimmung.
  • Kontrastexpansion.
  • Akustische linse.

  ---

  • Motortuning: 12 programmable push buttons, 2 buttons for up/down tuning.
  • Silent tuning.
  • Contrast expansion (audio expander).
  • Acoustic lens.

• Net weight (2.2 lb = 1 kg)
• 26.8 kg / 59 lb 0.5 oz (59.031 lb)

• Price in first year of sale
• 720.00 SFr

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Thali-Schemasammlung und Tungsram-Röhrenbestückung.

• Mentioned in
• Les Radio PHILIPS de collection

• Literature/Schematics (3)
• Philips Folder for 1938/1939.

• Picture reference
• Das Modell ist im «Radiokatalog» (Erb) abgebildet.

• Other Models

• Here you find 290 models, 216 with images and 224 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips - Schweiz