• Country
• United States of America (USA)

• Manufacturer / Brand
• Bremer-Tully Mfg. Co.; Chicago (IL)

• Year
• 1927

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 116052

• • Brand: Counterphase

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Magnetic loudspeaker (reed) generic. / Ø 20 cm = 7.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Speaker [magnetic] - Bremer-Tully Mfg. Co.; Chicago

• Shape
• Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).

• Dimensions (WHD)
• 285 x 310 x 195 mm / 11.2 x 12.2 x 7.7 inch

• Notes
• There is also a dynamic version.
  Membrana conica in cartoncino con incollatura radiale. Sospensione in pelle di daino. Filtro passabasso acustico ed elettrico

• Net weight (2.2 lb = 1 kg)
• 3.9 kg / 8 lb 9.4 oz (8.59 lb)

• Price in first year of sale
• 35.00 $

• Source of data
• - - Data from my own collection

• Mentioned in
• Classic Cones

• Literature/Schematics (1)
• Radio Manufacturers of the 1920s, Vol 1 (p.92,93)

• Author
• Model page created by Francesco Ferrari. See "Data change" for further contributors.

• Other Models

• Here you find 48 models, 18 with images and 19 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bremer-Tully Mfg. Co.; Chicago (IL)