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12" Loud Speaker 12-20

12' Loud Speaker 12-20; Rola Company AUS Pty (ID = 2397305) Speaker-P 12' Loud Speaker 12-20; Rola Company AUS Pty (ID = 2397306) Speaker-P
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12' Loud Speaker 12-20; Rola Company AUS Pty (ID = 2397305) Speaker-P
Rola Company AUS Pty: 12" Loud Speaker 12-20 [Speaker-P] ID = 2397305 786x768
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For model 12" Loud Speaker 12-20, Rola Company (AUS) Pty. Ltd.; Melbourne:
Rola 12-20 Front
 
Country:  Australia
Manufacturer / Brand:  Rola Company (AUS) Pty. Ltd.; Melbourne
Year: 1950 ?? Category: Loudspeaker, headphone or earphone
Main principle Audio-Amplification
Details
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 12 inch = 30.5 cm
Power out
from Radiomuseum.org Model: 12" Loud Speaker 12-20 - Rola Company AUS Pty. Ltd.;
Material Metal case
Shape Chassis only or for «building in»
Dimensions (WHD) 12 x 12 x 4.5 inch / 305 x 305 x 114 mm
Notes

12" Permanent Magnet Loud Speaker with a Voice Coil impedance of 2Ω at 400Hz.

Wattage unknown.

 

Mentioned in - - Manufacturers Literature

Model page created by Joshua Boxer. See "Data change" for further contributors.



All listed radios etc. from Rola Company (AUS) Pty. Ltd.; Melbourne
Here you find 126 models, 47 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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