• Country
• United States of America (USA)

• Manufacturer / Brand
• Music Master Corp. (pre 1927); Philadelphia

• Year
• 1925

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 103645

• • alternative name: General Radio Corporation || Geraco

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Horn / Ø 21 inch = 53.3 cm

• Material
• Various materials

• from Radiomuseum.org
• Model: VII - Music Master Corp. pre 1927;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 21 x 0 x 0 inch / 533 x 0 x 0 mm

• Notes
• 21" Mahogany bell on gooseneck style horn speaker.

• Price in first year of sale
• 35.00 $

• Mentioned in
• Radio Manufacturers of the 1920's, Vol. 2 (Radio Horn Speaker Encyclopedia Floyd A.Paul)

• Literature/Schematics (2)
• Radio Broadcast, Jul. 1925, p. 413

• Other Models

• Here you find 23 models, 20 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Music Master Corp. (pre 1927); Philadelphia