Drive-in Theater Dub'l Cone In-a-Car Speaker
A new, improved in-a-car speaker in which the speaker unit employs two speaker cones, one superimposed upon the other with a sealed 3/16-in. air space between, the outer cone being used for protection, the inner cone for projection of sound.
- Print ISSN
- 0898-042X
- Published
- 1953-06
- Content type
- Original Research
- DOI
- 10.5594/J01049
Download the PDF
or become a SMPTE member today to access the
article.
Become a SMPTE
member today to access the article.