SJ/Z 9149-1987
Difference value between free-field sensitivity and pressure sensitivity levels for φ23.77mm standard condenser microphone (English Version)

Standard No.

SJ/Z 9149-1987

Language

Chinese, Available in English version

Published By

Professional Standard - Electron

Latest

SJ/Z 9149-1987

Scope

This standard gives the difference between the free field sensitivity level and the sound pressure sensitivity level of the 23.77mm standard condenser microphone.

SJ/Z 9149-1987 history

• 1970 SJ/Z 9149-1987 Difference value between free-field sensitivity and pressure sensitivity levels for φ23.77mm standard condenser microphone