• Country
• Australia

• Manufacturer / Brand
• Rola Company (AUS) Pty. Ltd.; Melbourne

• Year
• 1939 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 315865

• Wave bands
• - without

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 inch = 25.4 cm

• Material
• Various materials

• from Radiomuseum.org
• Model: 10-20 [External Bakelite Spider With Felt] - Rola Company AUS Pty. Ltd.;

• Notes

• 10" Permag loudspeaker.

  Type No.	10-20
  Overall Diameter	9¾"
  Voicecoil Diameter	1"
  Voicecoil Impedance	2.3Ω

• Mentioned in
• - - Manufacturers Literature (Various Rola Loudspeaker Data guides.)

• Author
• Model page created by Martin Kent. See "Data change" for further contributors.

• Other Models

• Here you find 194 models, 70 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Rola Company (AUS) Pty. Ltd.; Melbourne