Bass Drum

 Bass drum is one of  the biggest part among drum kit/drum set especially in the modern drum.  And bass drum is the source of  a low pitch or tone. Bass drum ispercussion instrument and vary in size and are used in several musical genres.

 The type usually seen or heard in orchestral, concert band music is the orchestral, or concert bass drum (in Italian: gran cassa, gran tamburo). It is the largest drum of the orchestra.The pitched bass drum, generally used in marching bands and drum corps. This is tuned to a specific pitch and is usually played in a set of three to six drums.

The kit bass drum may be more heavily muffled than the classical bass drum, and it is popular for drummers to use a pillow, blanket, or professional muffler inside the drum, resting against the batter head, to dampen the blow from the pedal, and produce a shorter "thud". Different beaters have different effects, and felt, wood and plastic that is popular. Bass drums sometimes have a tom-tom mount on the top.

Size of bass drum, in a drum kit, the bass drum is much smaller than in the traditional orchestral use, most commonly 20 or 22 inches (51 or 56 cm) in diameter. Sizes range from 16 to 28 inches (41 to 71 cm) in diameter while depths range for 14 to 22 inches (36 to 56 cm), with 16 or 18 in (41 or 46 cm) being normal.

The standard bass drum size of past years was 20 in × 14 in (51 cm × 36 cm), with 22 in × 18 in (56 cm × 46 cm) being the current standard. Many manufacturers are now publishing the 'power drum' concept as with tom-toms, with an 18 in (46 cm) depth (22×18 in) to further lower the drum's fundamental note.