• Country
• United States of America (USA)

• Manufacturer / Brand
• Shure; Chicago, Evanston, Niles (IL)

• Year
• 1935

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 96297

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

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: 70H - Shure; Chicago, Evanston,

• Dimensions (WHD)
• 76.2 x 31.7 x 0 mm / 3 x 1.2 x 0 inch

• Notes
• diaphragm actuated crystal element

• Net weight (2.2 lb = 1 kg)
• 0.790 kg / 1 lb 11.8 oz (1.74 lb)

• Price in first year of sale
• 23.00 $

• Literature/Schematics (1)
• 1938 Radolek Catalog

• Author
• Model page created by Vitor Oliveira. See "Data change" for further contributors.

• Other Models

• Here you find 134 models, 129 with images and 51 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Shure; Chicago, Evanston, Niles (IL)