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KSM27 BACKKSM27 FRONT
15 dB
attenuator
Low-frequency
response switch
FIGURE 1. KSM27 FRONT AND BACK
GENERAL DESCRIPTION
The Shure
R
KSM27 is a side-address condenser microphone with a cardioid polar
pattern. Designed for studio use but rugged enough for live applications, the KSM27
has an externally biased 1-inch diaphragm, extremely low self-noise, and an
extended frequency response specially tailored for vocal tracking and instrument
recording.
FEATURES
S Cardioid polar pattern – the most commonly used pattern for both studio and
live applications
S 1 inch, externally biased, ultra-thin, 2.5 µm, 24 Karat gold-layered, low
mass, Mylar
R
diaphragm provides superior transient response
S Class A, discrete, transformerless preamplifier for transparency, extremely fast
transient response and no crossover distortion, while minimizing harmonic and
intermodulation distortions
S Premium electronic components and gold-plated internal and external
connectors
S Subsonic filter eliminates rumble from mechanical vibration below 17 Hz
S Switchable 15 dB pad for handling extremely high sound pressure levels (SPLs)
S 3-position switchable low-frequency filter helps reduce unwanted back-
ground noise or counteract proximity effect
S Integrated three-stage “pop” protection grille reduces plosives and other
breath noise
S Internal shock mount reduces handling and stand noise