Starting with an open string, count your way up 12 frets; 0-1-2-3... On the twelfth fret is the octave of the open string.
To raise the pitch (frequency), put more tension on one end of the string. To lower the pitch, put less tension on one end of the string.For instance, on a guitar, tighten the string for a higher pitch. Loosen the string for a lower pitch.Additionally, if you have a guitar string already mounted and tensioned. You may place your finger in the middle of the string, and the pitch will go up one octave. Each time you halve a tensioned string, it produces a pitch one octave higher.
Your best bet would be to by a "pitch shifter" pedal. I wouldn't recommend trying to tune it up an octave.
To raise the pitch (frequency), put more tension on one end of the string. To lower the pitch, put less tension on one end of the string. For instance, on a guitar, tighten the string for a higher pitch. Loosen the string for a lower pitch. Additionally, if you have a guitar string already mounted and tensioned. You may place your finger in the middle of the string, and the pitch will go up one octave. Each time you halve a tensioned string, it produces a pitch one octave higher.
If your guitar tuner won't pick up the sounds of the open bass strings, try playing the 12th fret harmonic on each string instead. In other words, gently touch each string at the 12th fret while you pluck the string. It will make the sound one octave higher and your tuner should be able to pick it up and allow you to tune your bass. Most newer tuners work fine with bass guitar, but back when I started playing 25 years ago, they only made guitar tuners and that's what I had to do.
Clearly a Rocky Horror related question... as in "Wound up like an 'E' or first string." 6-string guitar has a high E string wound up nice and tight.
the frets make the guitar string make a different sound.
E
It still has the basic 'Your Dog Has Fleas' G, C, E, A tuning, only each of the strings now has a match. The second "G" string is going to be tuned an octave up or down. The second "C" string is also an octave up or down. The second "E" and "A" strings are tuned the same as the other ones. The string line up will be like this G, G', C, C', E, E, A, A.
On your guitar, Low E,A,D,G,B,E, if you want to play a C, finger the low A string up 3 frets. Also you can play the G string up 5 frets, Or the B string up one fret.
Only the 2 higher pitched strings are doubled, (high E, B). The first string of the lower pitched strings are normal, with the double string being a lighter gauge to facilitate an octave higher tuning. This method repeats itself for the Low E, A, D, & G strings.
Start on the A on the G-string then go up by full tones until you get to open A-string for one octave, if you need to play two octaves, keep going until A on the E-string.
To play the first string notes on guitar, place your finger on the first fret of the first string and pluck the string with your picking hand. This will produce the note F. Move your finger up the fretboard to play different notes on the first string.