This standard was last reviewed and confirmed in 2022.
Therefore this version remains current.
Abstract
PreviewSpecifies the frequency for the note A in the treble stave and shall be 440 Hz. Tuning and retuning shall be effected by instruments producing it within an accuracy of 0,5 Hz.
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Status: PublishedPublication date: 1975-01
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Edition: 1Number of pages: 1
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- ICS :
- 17.140.01 Acoustic measurements and noise abatement in general
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| Format | Language | |
|---|---|---|
| std 1 40 | ||
| std 2 40 | Paper |
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