Georg Neumann: Milestones
Sep 1, 2008 12:00 PM, By EM Editors
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1923
Reisz Microphone
Georg Neumann's carbon design greatly improved on the standard mics of the day.
1928
CMV3
The first commercially manufactured condenser mic, the Neumann Bottle. Later, the CMV3a had a pair of interchangeable capsules.
1947
Sealed NiCad Battery
Neumann's gas-tight, nickel-cadmium accumulator battery led to the creation of the 1.5V Stabilyte cell.
1947
U47
This condenser mic featured the first switchable polar patterns (cardioid and omni) thanks to its dual-diaphragm design.
1956
Stereo Recording Lathe
Developed jointly with Teldec, it combined the AM32a lathe with a newly designed ZS90/45 cutting head.
1966
48V Phantom Power
Although other schemes existed before, Neumann created the standard.
1966
KM84 Microphone
This was the first commercial mic to use 48V phantom power.
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