• Country
• United States of America (USA)

• Manufacturer / Brand
• Advent Corporation; Cambridge (MA)

• Year
• 1972 ?

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 200030

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
• Alternating Current supply (AC)

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Noise Reduction Unit 100A - Advent Corporation; Cambridge

• Shape
• Book-shelf unit.

• Notes
• Dolby B external Noise Reduction Unit for stereo tape recorders.

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• Other Models

• Here you find 18 models, 11 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Advent Corporation; Cambridge (MA)