• Country
• United States of America (USA)

• Manufacturer / Brand
• Quam Radio Corp. (Quam-Nichols); Chicago, IL

• Year
• 1935 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 145628

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: Dynamic Speaker 5A15 - Quam Radio Corp. Quam-Nichols;

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 127 x 127 x 75 mm / 5 x 5 x 3 inch

• Notes
• Quam-Nichols 5A15 Adjust a Cone Speaker;
  Match transformer fixed on top, 3.2 ohms Z, 1.47 ohms field coil.

• Net weight (2.2 lb = 1 kg)
• 0.9 kg / 1 lb 15.7 oz (1.982 lb)

• 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 5 models, 5 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Quam Radio Corp. (Quam-Nichols); Chicago, IL