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Guitar national standard

ICEY 2017-08-11 09:36:57
1, Tuning system
   Using the twelve average tuning system.
2, Standard sound
   Small word a group of sound is 440Hz, should meet the GB / T 3451-1982 requirements.
3, Pitch error
   The pitch error of the sound of the advanced product should be within the range of -10 to +15; the pitch error of the sound of the product in the ordinary product should be within ± 20 minutes.
4, The basic range
   E ~ a².
5, Set the string treble
   6 string: E, A, d, g, b, e1.
   12 string: e, E, a, A, d1, d, g1, g, b, b, e1, e1.