AKG C 391B Bedienungshinweise Seite 11

Introduction:
The C 390 System is a completely modular system which can be adapt-
ed in a very practical and economical way to the always changing
requirements encountered in the Recording, Broadcast, Sound Rein-
forcement, and Motion Picture Industries. The sound engineer has a
choice of interchangeable condenser microphone modules which can
be mixed and mated in various combinations to create custom studio-
quality microphones for any conceivable application.
Description:
The C 390 System consists of a single universal powering/output
module, eight different microphone heads and various interchangeable
accessory parts to match a great variety of applications. An overview of
the complete system is shown at the end of this instruction booklet.
The following main features are provided:
• robust mechanical construction
• low self-noise
• low power consumption
• high operating reliability
• low impedance capsule connections
• will operate up to 60° C and over 95 % relative humidity
• built-in attenuation switch with 0 and – 10 dB position (see fig. 1)
• extended long-life stability
• transformerless output stage
• to be powered from any standard phantom powering source
(acc. to DIN 45596)
• low distortion even at high sound pressure levels
• built-in bass-cut filter with onset at 100 Hz (see fig. 1)
Fig. 1
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