Ricardo -> RE: Tuning our guitars (Feb. 12 2019 20:10:21)
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quote:
ORIGINAL: kitarist quote:
ORIGINAL: Ricardo And guess what...when you fret a G at the third fret after having tuned your open G to the linear sum functioned “sharp by 2 cents” 4th interval sequence (implying an open G 6 cents sharp from what it should be based on low E), you end up with a perfectly tuned octave between the two G’s. Unless you fret the G carelessly like many do. Now I am confused as to what that tuning method is. I thought it was as follows: 1. Tuning fork A -> tune open A (5th string) to that (5th fret harmonics, which is 2 octaves up from open A, which is unison with the tuning fork, which is 440Hz); 2. Tune 6th string 5th fret harmonics to match 5th string 7th fret harmonics. This results in 6th string being 2 cents sharper than what it should be. 3. Tune 4th string 7th fret harmonics to match 5th string 5th fret harmonics. This results in 4th string being 2 cents flatter than what it should be. 4. Tune 3rd string 7th fret harmonics to match 4th string 5th fret harmonics. This results in 3rd string being 2 cents flatter than what it should be based on 4th string, which is also 2 cents flatter than what it should be based on the properly tuned open A - so it is 4 cents flatter than what 3rd string should be. Hmm, not sure how the rest goes for string 2; let's say 5. Maybe you tune string 1 open E to low E 5th fret harmonics. This results in string 1 being 2 cents sharper than it should be (same as string 6). 6. Tune 2nd string 5th fret harmonics to match 1st string 7th fret harmonics. This results in 2nd string being 2 cents sharper than what it should be based on the 1st string, so 4 cents sharper than it should be. So compared to equal temperament EADGBE tuning, we have: E+2, A=true, D-2, G-4, B+4, E+2 For the G-g octave example, if you mean 3rd fret G on string 6 and open g on string 3, that open G would be 6 cents flat compared to the 3rd fret G on string 6. Man I am starting to doubt all this, it is late. Someone let me know if I effed up in deriving this. 1. Correct 2. Not by my ears or any tuner I have used. Simply put if the E string is off by 2 cents as you say, from the A string, then any interval you try to play between the two strings will beat out of tune. Any and every interval pretty much. This is not the case in reality when you tune the harmonics correct with no beats. The two string result in sweet 4th or 5ths for any and all chords. Of course thirds/ 6ths are gonna be off AS THEY SHOULD BE.... cuz you want to be able to play in EVERY key.
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