Addendum: RCA 103 Speaker Cardboard Cone Made from an A3 sized sheet of 0.5 mm art cardboard. This needs an outer radius of 21 cm and an inner of 7 cm. The math gives a figure of 222 degrees for the 'cut angle' (the wanted part with the waste segment cut out). However, it is simpler and safer to cut a portion of a complete circle that is larger.. The first of the cone-type speakers was the Model 100, a distinctly electronic-looking speaker, but in 1928, RCA introduced the Model 103. Anything that belied its mechanical nature was covered in wood or silk— it had a wooden frame instead of the metal of the Model 100, and the speaker portion was disguised by a tapestry of flowers in a vase.
_more.jpg "RCA 103 Tapestry Speaker (1925) SOLD! item number 1270051")
.jpg "RCA 103 Tapestry Speaker (1925) SOLD! item number 1270051")
RCA radios sold! To see more of this seller's radios, visit Mark Toppo's Attic. RCA 103 Tapestry Speaker (speaker) THIS RADIO HAS BEEN SOLD!. The manual is a large fold out sheet that covers the Radiola 60 and 103 speaker. There is light discoloration, but other wise it is perfect. I believe the 103 instructions were also single fold out sheet.. Radiola 60 Radio and RCA 103 Speaker for the Bandon Historical Society Bob Coraor August 2015. On July 28, 2015 a proposal was made before the Board of Directors of the. The speaker's grill cloth was extremely fragile and was torn in the circle around the edge of the speaker cone. Since the objective was to play the radio on a