AKG Acoustics C 4000Bの取扱説明書

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C 4000B
Condenser Microphone
Description
The C 4000 B was engineered from the ground up to take
advantage of developments in low noise surface mount
circuitry and electret technology to produce a microphone
with an astounding dynamic range of 137 dB. The
microphone’s noise floor is a low value of 8 dB-A, and it
reaches a reference value of 0.5% THD at a level of 145 dB.
The capsule assembly has been internally shock mounted,
and the grid/screen structure is 0.2 inch (3 mm) thick to
reduce wind

ページ2に含まれる内容の要旨

Architects and Engineers Specifications The microphone shall be a condenser type with dual diaphragm no less than 145 dB and the microphone size shall be no greater construction and switchable omnidirectional, cardioid and than 2.2 inches in diameter and 7.20 inches in length, and the hypercardioid polar patterns. The diaphragm material shall be microphone weight shall be no greater than 14.5 ounces. A spider gold-sputtered mylar foil, and the on-axis sensitivity shall be suspension shock mount