Kick Drum
Frequency Effect
50-100Hz Adds bottom to the sound
100-250Hz Adds roundness
250-800Hz Muddiness Area
5-8kHz Adds high end prescence
8-12kHz Adds Hiss
Snare
Frequency Effect
100-250Hz Fills out the sound
6-8kHz Adds prescence
Hihats , Cymbals
Frequency Effect
250-800Hz Muddiness area
1-6kHz Adds presence
6-8kHz Adds clarity
8-12kHz Adds brightness
Bass
Frequency Effect
50-100Hz Adds bottom end
100-250Hz Adds roundness
250-800Hz Muddiness Area
800-1kHz Adds beef to small speakers
1-6kHz Adds presence
6-8kHz Adds high-end presence
8-12kHz Adds Hiss
Vocal
Frequency Effect
100-250Hz Adds 'up-frontness'
250-800Hz Muddiness area
1-6kHz Adds presence
6-8kHz Adds sibilance and clarity
8-12kHz Adds brightness
Piano
Frequency Effect
50-100Hz Adds bottom
100-250Hz Adds roundness
250-1kHz Muddiness area
1-6kHz Adds presence
6-8Khz Adds clarity
8-12kHz Adds hiss
Electric Guitar
Frequency Effect
100-250Hz Adds body
250-800Hz Muddiness area
1-6Khz Cuts through the mix
6-8kHz Adds clarity
8=12kHz Adds hiss
Acoustic Guitar
Frequency Effect
100-250Hz Adds body
6-8kHz Adds clarity
8-12kHz Adds brightness
Strings
Frequency Effect
50-100Hz Adds bottom end
100-250Hz Adds body
250-800Hz Muddiness area
1-6hHz Sounds crunchy
6-8kHz Adds clarity
8-12kHz Adds brightnes