• Country
• Italy

• Manufacturer / Brand
• Amtron, (High-Kit, Amtroncraft); Milano

• Year
• 1975 ??

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 244077

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Rumble-Scratch Filter - Filtro anti rombo, fruscio UK 128 - Amtron, High-Kit, Amtroncraft;

• Shape
• Chassis only or for «building in»

• Notes

• Questo filtro permette di eliminare segnali indesiderabili provenienti da sorgenti in cattivo stato di conservazione.                                                                                                 Bande passanti a 3 dB selezionabili con commutatore:                                                       1) da 70 Hz a 4 kHz                                                                                                        2) da 70 Hz a 7 kHz                                                                                                         3) da 70 Hz a 11 kHz                                                                                                  Impedenza d'ingresso: 1,7 MOhm                                                                               Impedenza d'uscita: 450 Ohm

• Mentioned in
• Catalogo Amtron n 7

• Author
• Model page created by Giovanni Pugnaghi. See "Data change" for further contributors.

• Other Models

• Here you find 325 models, 322 with images and 249 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Amtron, (High-Kit, Amtroncraft); Milano