• Country
• Netherlands

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

• Year
• 1962

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 231920

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

• Number of Transistors
• 3

• Semiconductors
• SO1_Sprague OC4 2N408

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); Reflex

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 2 x 4.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8.5 cm = 3.3 inch

• Power out
• 0.15 W (unknown quality)

• Material
• Various materials

• from Radiomuseum.org
• Model: Supplement Senior Ontvanger - Amroh NV Radio Bulletin

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 125 x 62 x 125 mm / 4.9 x 2.4 x 4.9 inch

• Notes

• The Senior part of this model is the addition of a 2-stage AF amplifier and a 200 Ohm loudspeaker to the earlier published Supplement Ontvanger.

• Mentioned in
• Radio Blan edition 14, 1 november 1962

• 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