• Country
• Netherlands

• Manufacturer / Brand
• Amroh NV (Radio Bulletin monthly), Muiden

• Year
• 1951

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 243345

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

• Number of Tubes
• 5

• Valves / Tubes
• ECH42 EAF42 EAF42 EL41 AZ41

• Main principle
• Superheterodyne (common); ZF/IF 471 kHz; 2 AF stage(s)

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Wave Bands given in the notes.

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

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 4.5 W (unknown quality)

• Material
• Various materials

• from Radiomuseum.org
• Model: Pin-up Super MK Ratio II - Amroh NV Radio Bulletin

• Shape
• Chassis only or for «building in»

• Notes

• In Amroh model Pin-up Super MK Ratio II tuning unit 148, with 4 wave bands, is introduced. The comparable tuning unit 736 only offered 3 bands.

  Wave bands of tuning unit 148:

  LW	895 - 2175 m	138 - 335 kHz
  MW	175 - 575 m	510 - 1700 kHz
  Fishery band	55 - 178 m	1680 - 5400 kHz
  SW	16 -51 m	5900 - 18600 kHz

   
   
   
   
   

• Literature/Schematics (1)
• Radio Bulletin (May 1951)

• Author
• Model page created by Rob Majoor. See "Data change" for further contributors.

• Other Models

• Here you find 240 models, 208 with images and 231 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Amroh NV (Radio Bulletin monthly), Muiden