Bass Drum:
The same basic drum tuning principles also apply to bass drums. You can
tune it any way you want. To get a resonant sound, use the same techniques
for two headed drum tuning. This is beneficial for styles like traditional
jazz, where the bass drum is more of a melodic voice, tuned higher, like
the toms. In this setting, a bass drum can sing and a skilled player can
get many voices from it using exceptional foot control.
The bass drum sound most often associated with styles outside of traditional
jazz, such as rock, funk, blues, R&B, etc., is a more dead, controlled
sound. For that type of sound, try a combination of the following:
Head Tension
You want it pretty loose. Start out with the batter head just tight
enough to take any wrinkles out of the head. If you get decent response
from the head with the beater, go with that. It will be thick and phat,
with that in-your-chest feeling. If you're not getting enough rebound from
the beater, try tightening two or four tension rods. Sometimes that's all
it takes. Tightening the front (resonant or audience) head can also give
the batter head more rebound.
Hole in front head
Cut a hole in the front head. This allows air to escape the drum very
quickly and drastically reduces resonance. Any hole in the head much bigger
than six inches will yield the same result as having no front head-- almost
no resonance at all! If that's what you want, go ahead and cut a big hole.
It's much easier to move pillows and microphones around inside the drum
with a big hole.
If you want to keep some resonance or at least have the option of keeping
some resonance in the drum, make a hole about six inches. It's big enough
to move small pillows in and out of, and big enough, through which, to
place a microphone.
IMPORTANT: do not put this hole in the center of the head. That lets
too much direct air out of the drum. Position the hole off to the side,
about 2-3 inches from the hoop, and down low, so a microphone cord can
escape.
Experiment with muffling. Usually, all it takes to deaden all the resonance
of a bass drum, while still feeling that thump in your chest, is a small
pillow that touches both heads. Most drummers have steered away from putting
any felt strips under the head, since it interferes with the head-to-bearing
edge contact and is much harder to adjust. There are specialty pillow-like
mufflers that work very well, but a heavy down pillow can do wonders. Folded
up quilt or fuzzy blankets are great, too. A pillow or blanket that is
just touching the bottom few inches of the batter head will control the
sound just enough, while still allowing sort of a "puff" of resonance.
The key here is, you don't need to stuff the bass drum to the top with
a king size comforter to muffle it.
Find that compromise between sound and feel-- you can have both. Experiment.
Again, personal preference!
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