GB/T 3320.4-1982
AbolishedRumble measurement test record
转盘噪声测试唱片
Application Summary AI generated
This standard specifies the technical requirements for a test record used to measure the rumble noise produced by turntable drive systems in audio playback equipment. It is applied in the manufacturing and quality testing of turntables, record players, and other analog audio reproduction devices to ensure that mechanical vibrations from the motor or drive mechanism do not degrade the audio signal. The test record provides a calibrated reference signal for evaluating rumble performance under controlled laboratory conditions.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.