Tuning a Guitar - Seven String Guitar Tuning
Tuning a guitar with seven strings is no more difficult than tuning a six string, and that's because six of the strings use the same tuning. The additional string is tuned to a low B to give the guitar some serious growl.
An alternative tuning for the 7 string guitar is shown below. The seventh string in this tuning is tuned to A(3) rather than the Low B(2).
However, in practice it is just to easy to break the seventh when tuned to such a high pitch, the tension on the string is just too much and so, guitarists have opted for the low B tuning, as above which has now become the standard seven string guitar tuning.
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