Specifies 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.
Product Details
Published: 01/01/1975 Number of Pages: 1 File Size: 1 file , 110 KB
Custom tab
This is a custom block edited from admin panel.You can insert any content here.