Here’s a pretty decent EQ chart I came across. It’s been doing the trick for me lately.
Vocals
Boost:
12kHz (Shelf)
250-500Hz: For presence
Cut:
500-850Hz: just a touch to bring out clarity
800-900Hz: to tame piercing highs in a male vocal
2-3kHz: to tame piercing highs in female vocal
Guitars
Boost:
100Hz: for warmth and power
500Hz: for body
3-4kHz: for edge and bite
Bass
Boost:
100Hz (but no lower)
800Hz: adds presence
3-5kHz: for clarity
Piano
Boost:
10kHz: adds sparkle and air
5kHz: for presence (best on solo)
100Hz: good for adding drive to rock pianos
Cut:
200-500Hz: reduces muddieness
Kick Drum
boost:
100Hz: for punch
6-8kHz: for slap
Snare
Boost:
100Hz: for punch
5kHz: for presence
10kHz: for splash
Hi Hats n Cymbals
Boost
5kHz: for presence
7-12kHz: for clarity and air
Overheads
Boost
2.5-5kHz: for presence
10-12kHz: for air
Cut
200-300Hz: to reduce crowding
