View post (Drop D or C tuning)
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The amp should't have a problem with the lower frequency, although an amp could be optimized to take advantage of the sound somewhat, the low E note of a standard tuned guitar is 80hz, (if I remember correctly), guitar speakers usally drop a little lower than 80hz, so the dropped C tuning and 7 strings (Low B right?) are starting to play with the very bottom end of what a guitar speaker was designed for....