DPA L40B Acoustic Pressure
Equalizer, 1.57 in Ball
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Product Code:
L40B
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Overview:
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The L40B is a �40
mm sphere shaped Acoustic Pressure Equaliser, designed for use with the Standard
Microphone 4003 and 4006 or the A-B Stereo Kits 3503 and 3506.
It offers a more noticeable on-axis boost between 2 and 8 kHz, and a stronger
off-axis attenuation than the L30B. This gives a marked increase in the
directivity of your recordings (at 4 kHz, the front-to-back sensitivity ratio is
8 dB), and decreases the effects of reverberation and off-axis sources.
When using L40B, you can modify the spectral characteristic of a source by
simply altering the angle of incidence to give a frequency boost, a flat
response or an attenuation.
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