• Country
• United States of America (USA)

• Manufacturer / Brand
• Magnavox Co., Commercial Wireless and Development Co.; San Francisco, later Fort Waye, IN

• Year
• 1922

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 104203

• Wave bands
• - without

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt

• Loudspeaker
• Horn / Ø 18 inch = 45.7 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: R2B - Magnavox Co., Commercial

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 31.5 x 18 x 0 inch / 800 x 457 x 0 mm

• Notes
• Electrodynamic system. Field coil 8 Ohms, current 0.6 Amp.; Ind.coil 1700 Ohms. Moving-coil DC energised horn loud-speaker, mounted on a wooden board with a step-down induction coil. Swan-necked metal horn painted in a crystalline finish to reduce the 'tinny' sound experienced with smooth-painted metal loud-speakers. In UK sold by Sterling.

• Price in first year of sale
• 85.00 $

• Mentioned in
• Radio! Radio! (fig.820)

• Literature/Schematics (1)
• Radio Horn Speaker Encyclopedia, by Floyd.A.Paul

• Literature/Schematics (2)
• Radio Broadcast, August 1922, page 359

• Literature/Schematics (3)
• Radio Digest Illustrated, 1922 Nov. 25, p. 15

• Other Models

• Here you find 1080 models, 498 with images and 831 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Magnavox Co., Commercial Wireless and Development Co.; San Francisco, later Fort Waye, IN