Found this useful so I copy it here for future reference.

Kick drum - bottom 50-120hz / boxiness 400hz / basketball sound 1khz / attack 2.5khz Snare - fatness 100-240hz / boing 900-1khz / attack 5khz / snap 10khz
Rack toms - bottom 200-540hz / Ring 900hz / attack 5khz
Floor toms - bottom 90-120hz / attack 3-5khz
Cymbals - clang 200hz / crispness 7-10khz
Electric guitar - fullness 240-500hz / bite 2.5khz / edge 4khz
Acoustic guitar - fullness 80-120hz / body 240hz / presence 2.5-5khz
Piano - fullness 80hz / body 240hz / honky tonk 2.5khz / presence 5khz
Bass guitar* - bottom at 60-100hz / string sound 700hz / snap 2.5khz-3.5khz
Vocals - Fullness 120hz / boominess 240hz / presence 5khz / air 10-15khz
Organ - Fullness 80hz / body 240hz / Presence 2-5khz
Horns - Fullness 120-240hz / piercing 5khz
Strings - Fullness 240hz / Scratchiness 7-10khz
Conga - Bottom 100-160hz / ring 200hz / slap 5khz
*Fender Jazz bass has a fullness of 1khz