Boost around 100 Hz with the equalizer to add low end to the guitar track. Be careful not to add too much low end, as this could conflict with the kick drum and bass guitar. Cut around 100 Hz to reduce the low end if it is too strong or boomy sounding.
Cut around 200 Hz with the equalizer if the guitar track sounds muddy and unclear. Doing so can make the low frequencies and high frequencies of the guitar track sound more clear.
Boost between 250 Hz and 350 Hz to add punch to a guitar track.
Boost between 500 and 600 Hz with the equalizer to add body and additional punch to the guitar track. Cut between 500 and 600 Hz with the equalizer to thin out the guitar track and take away some of its body.
Boost between 2.5 and 5 KHz on the equalizer to add more treble and high-end definition to the guitar track. Boosting in this region makes the guitar track sound brighter. Cut between 2.5 and 5 KHz on the equalizer to reduce the amount of treble and definition of the guitar track. Cutting in this region makes the guitar track sound darker.