Browse Items (1144 total)

rca_ku2a.jpg
Technical data sheet for the RCA MI 3043 (or KU-2A).

shotgunmicpatent.png
Diagram of a unidirectional microphone from the first patent for such a microphone, patented in 1963.

https://web.archive.org/web/20120308135128/http://www.k-bay106.com/univ1440.jpg
This is a Universal condenser microphone with an unknown polar response and date of manufacture.

https://web.archive.org/web/20120308124634/http://www.k-bay106.com/univ_av.jpg
This is a Universal ribbon/velocity microphone with a bi-directional polar response with an unknown date of manufacture.

https://web.archive.org/web/20120308145620/http://www.k-bay106.com/univ_bb.jpg
This is a Universal carbon microphone manufactured in the 1920s or 1930s.

https://web.archive.org/web/20120308143112/http://www.k-bay106.com/univ_e.jpg
This is a Universal carbon microphone with an unknown manufacture date.

https://web.archive.org/web/20120307233420/http://www.k-bay106.com/univ_kk.jpg
This is a Universal carbon microphone manufactured in the 1920s or 1930s.

https://web.archive.org/web/20120307214729/http://www.k-bay106.com/univ_ll.jpg
This is a Universal carbon microphone manufactured in the 1920s or 1930s.

uniad205.jpg
Advertisement for Universal Microphones for sale in 1930.
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