• Country
• United States of America (USA)

• Manufacturer / Brand
• Astatic Corp.; Conneaut (OH)

• Year
• 1933–2001

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 73550

• • alternative name: Omnitronics LLC

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: TUP-9-D-104 - Astatic Corp.; Conneaut OH

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 135 x 305 x 135 mm / 5.3 x 12 x 5.3 inch

• Notes
• High-Z xtal desk-top microphone. Many variants differing in details, older sets without preamplifier. Works fine with AM/SSB tube transmitters. D-104 = microphone housing, TUP-9 = stand with PTT.

• Net weight (2.2 lb = 1 kg)
• 1.2 kg / 2 lb 10.3 oz (2.643 lb)

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

• Other Models

• Here you find 46 models, 44 with images and 12 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Astatic Corp.; Conneaut (OH)