DPA APE30RS Acoustic Pressure Equalizer, 30 mm Ball for
4006A and 4006C
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Product Code:
APE30RS
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Overview:
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The APE30 is a �30 mm sphere shaped Acoustic
Pressure Equalizer, designed for use with the Reference Standard Microphone
4006A or the ST4006A stereo kit. For use with the compact 4006C, the microphone
must be either hung or placed in the clip with an XLR connector plugged in.
It gives a mild modification of your microphone's on-axis and off-axis frequency
responses, and a slight change in the direction-to-reverberation ratio.
This will give your recordings greater presence, nearness and clarity on-axis
(especially around 4 kHz).
An on-axis boost, between 2 and 8 kHz, and high-frequency roll-off off-axis,
will sometimes help you capture the subtle audible details of both musical
instruments and voices.
This accessory substitutes the former L30B, suitable for 4003, 4006, 4006-TL and
their stereo kits. The L30B cannot be used with the modular series 4006A or
4006C but APE30RS is backwards compatible with 4003, 4006 and 4006-TL.
More on acoustic modification
The Acoustic Pressure Equalizers � APEs � are passive acoustic processors
functioning as both spatial and spectral modifiers. They use diffractions on the
surface to modify the sound field near the microphone diaphragm. This technique
is only possible on omnidirectional pressure microphones.
Two primary changes occur:
1. An upper-midrange/high frequency boost (without changing the low end) due to
the pressure build-up at certain frequencies depending on the element�s size.
2. More directionality at higher frequencies (focus).
A presence (upper-midrange) lift is often desirable in rhythmical genres, to
make a voice or an instrument cut through a mix or simply to make it more
intelligible or well defined. For symphonic music, the frequency response of
certain legendary vintage types of microphones can be obtained using one of the
APEs. However, you will achieve a much higher degree of naturalness and detail
when using a precision handcrafted 4006A.
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