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.