• Country
• Switzerland

• Manufacturer / Brand
• Mediator; La Chaux-de-Fonds

• Year
• 1945/1946

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 228690

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

• Number of Tubes
• 4

• Valves / Tubes
• UCH21 UCH21 UBL21 UY1N

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

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• AC/DC-set / 110; 125; 200; 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 17 cm = 6.7 inch

• Material
• Bakelite case

• from Radiomuseum.org
• Model: M185U - Mediator; La Chaux-de-Fonds

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 430 x 280 x 220 mm / 16.9 x 11 x 8.7 inch

• Notes
• Mediator M185U was most probably manufactured by Philips Eindhoven, Holland.
   
  3 Band reception:
  • LW: 715 - 2000 m.
  • BC: 200 - 585 m.
  • SW: 16,6 - 52 m.
  Tuning scale light bulbs type: 8095D (19V, 90mA).
  Loudspeaker Philips type 9678. Connectors for second loudspeaker and for pick-up. 
   
  This model is comparable with NSF H185U
   
  The difference between H185U and H185U-01 is minor and can be found in the technical manual with the spare parts.
   
  Attention: Chassis connected to the mains !

• Net weight (2.2 lb = 1 kg)
• 5.7 kg / 12 lb 8.9 oz (12.555 lb)

• Literature/Schematics (1)
• -- Original-techn. papers. (Generic model 185U by Philips)

• Author
• Model page created by João Luis Mendes Colaço. See "Data change" for further contributors.

• Other Models

• Here you find 371 models, 325 with images and 225 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mediator; La Chaux-de-Fonds