| Introduced
in 1953, the AKG D12 was the world's first dynamic cardioid mic
with a "unidirectional" design intended to reduce the
pick up of extraneous sound and the production of feedback. It
was based on new developments in microphone technology which eliminated
much of the shrillness characteristic in earlier microphones and
it extended the frequency response deeper into the bass range.
It's a large diaphragm, dynamic, cardioid pattern mic and the
transducer has a special "bass chamber" that boosts
the lower frequencies in the 60-120 Hz range giving it a full,
round bass end whilst the slight peak in the 60 to 120 Hz range
enables the microphone to do full justice to a range of brass
instruments and vocals and the mic was an immediate success at
radio stations, recording studios, and movie sets throughout the
world.
A number of other AKG microphones would be based on the D12, including
the D20B, D25, D30, D36, and the D45.
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