• Country
• United States of America (USA)

• Manufacturer / Brand
• Rola Company, The; Oakland, CA

• Year
• 1929/1930

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 165708

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Magnetic loudspeaker (reed) generic. / Ø 9.75 inch = 24.8 cm

• Material
• Various materials

• from Radiomuseum.org
• Model: Rola model M - Rola Company, The; Oakland, CA

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 9.75 x 9.75 x 4.875 inch / 248 x 248 x 124 mm

• Notes
• This is the same complete electromagnetic armature unit as installed in the Rola models 15 and 20. It has the Rola full-floating diaphragm, magnetic-armature cone unit with low-pass filter and tinsel connecting cord.

• Price in first year of sale
• 15.00 $

• Literature/Schematics (1)
• Lafayette Radio Catalog (Lafayette Catalog 1930 for season 1929/30, page 36-38.)

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 12 models, 11 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Rola Company, The; Oakland, CA