• Country
• United States of America (USA)

• Manufacturer / Brand
• Wollensak 3M; St. Paul, Minnesota

• Year
• 1975 ??

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 118240

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Alternating Current supply (AC) / 120; 240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 2551ES - Wollensak 3M; St. Paul,

• Shape
• Tablemodel, with any shape - general.

• Notes
• Recorder/Player for compact audio cassettes; connector and switcher for projector synchronisation.

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 23 models, 18 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wollensak 3M; St. Paul, Minnesota