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Vocaloud Laboratory Horn Speaker

Vocaloud Laboratory Horn Speaker; Firth, John & Co. (ID = 866431) Speaker-P Vocaloud Laboratory Horn Speaker; Firth, John & Co. (ID = 2078136) Speaker-P
Vocaloud Laboratory Horn Speaker; Firth, John & Co. (ID = 2078137) Speaker-P Vocaloud Laboratory Horn Speaker; Firth, John & Co. (ID = 2078138) Speaker-P
Vocaloud Laboratory Horn Speaker; Firth, John & Co. (ID = 2078139) Speaker-P Vocaloud Laboratory Horn Speaker; Firth, John & Co. (ID = 2078141) Speaker-P
Vocaloud Laboratory Horn Speaker; Firth, John & Co. (ID = 2078142) Speaker-P Vocaloud Laboratory Horn Speaker; Firth, John & Co. (ID = 2078143) Speaker-P
Vocaloud Laboratory Horn Speaker; Firth, John & Co. (ID = 2078144) Speaker-P
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Vocaloud Laboratory Horn Speaker; Firth, John & Co. (ID = 866431) Speaker-P
Firth, John & Co.: Vocaloud Laboratory Horn Speaker [Speaker-P] ID = 866431 479x638
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For model Vocaloud Laboratory Horn Speaker, Firth, John & Co. (Firco); New York, (NY)
 
Country:  United States of America (USA)
Manufacturer / Brand:  Firth, John & Co. (Firco); New York, (NY)
Year: 1921 Category: Loudspeaker, headphone or earphone
Wave bands - without
Details
Power type and voltage No Power needed
Loudspeaker Horn / Ø 8.25 inch = 21 cm
Power out
from Radiomuseum.org Model: Vocaloud Laboratory Horn Speaker - Firth, John & Co. Firco; New
Material Special material, described in the notes.
Notes Plaster of Paris horn composition. Nathanial Baldwin Driver. The Vocaloud's sound chamber resembles the human ear.
Collectors' prices  
Source of data - - Manufacturers Literature
Mentioned in Radio Horn Speaker Encyclopedia, by Floyd S.Paul, p.38
Literature/Schematics (1) Firco Radio Bulletin 32-A

Model page created by Joseph Woychowski. See "Data change" for further contributors.



All listed radios etc. from Firth, John & Co. (Firco); New York, (NY)
Here you find 21 models, 19 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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