Dynamic Broadcast Microphone
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The BCM 705 Dynamic Broadcast Microphone
from Neumann is a professional, dynamic broadcast microphone. The BCM
705's housing and head grille are identical to those of the BCM 104. The
dynamic capsule features a hypercardioid directional characteristic,
specifically designed for speech reproduction at close range.
Multi-level isolation from structure-borne noise and an elastic mount
ensure operation free of interference, even in a lively studio
environment. The microphone head grille twists off easily for quick
cleaning.
The frequency response has a light treble boost, in the
region from 2 kHz to 9 kHz, aiding the speech intelligibility. The bass
frequency response is designed to compensate for the overemphasis of
the bass caused by the proximity effect.
A pop screen not only
prevents the occurrence of plosive pop noises in vocal recordings, but
also efficiently prevents unwanted particles from settling on the
diaphragm.
The preferred mode of operation is to suspend the BCM
705 from a standard studio boom arm. A thread adapter to fit different
connector threads is included. In order to provide protection from
structure-borne noise, both the capsule and the microphone in its mount
are elastically suspended.
Features:
-Operating Principle Pressure Gradient
-Transducer Dynamic
-Polar Pattern Hypercardioid
-Frequency Range 20 Hz to 20 kHz
-Signal to Noise Ratio 62 dB CCIR
-76 dB A-Weighted
-Equivalent Noise Level 32 dB CCIR
-18 dB A-Weighted
-Impedance 200 ohms
-Load Impedance 10 kOhms
-Sensitivity 1.7 mV/Pa at 1 kHz into 10 kOhms