Georg Neumann: Milestones

Check out this in-depth timeline on product developments from George Neumann From 1923 to Today
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1923

Reisz Microphone

Georg Neumann's carbon design greatly improved on the standard mics of the day.

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1928

CMV3

The first commercially manufactured condenser mic, the Neumann Bottle. Later, the CMV3a had a pair of interchangeable capsules.

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1947

Sealed NiCad Battery

Neumann's gas-tight, nickel-cadmium accumulator battery led to the creation of the 1.5V Stabilyte cell.

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1947

U47

This condenser mic featured the first switchable polar patterns (cardioid and omni) thanks to its dual-diaphragm design.

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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.

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1966

KM84 Microphone

This was the first commercial mic to use 48V phantom power.