SOUND GENERATION਀
The SDS 7 rack is capable of housing a total of twelve drum ਀洀漀搀甀氀攀猀⸀   䔀愀挀栀 洀漀搀甀氀攀 椀猀 愀 猀攀氀昀 挀漀渀琀愀椀渀攀搀 猀礀渀琀栀攀猀椀稀攀爀Ⰰ 眀椀琀栀 愀
digital sound source, voltage controlled oscilator, white noise਀猀漀甀爀挀攀Ⰰ 瘀漀氀琀愀最攀 挀漀渀琀爀漀氀氀攀搀 昀椀氀琀攀爀Ⰰ 攀渀瘀攀氀漀瀀攀 最攀渀攀爀愀琀漀爀猀 愀渀搀 
voltage controlled amplifiers. The modules are identical in each ਀挀愀猀攀Ⰰ 眀椀琀栀 琀栀攀 攀砀挀攀瀀琀椀漀渀 漀昀 琀栀攀 搀椀最椀琀愀氀 猀漀甀渀搀 猀漀甀爀挀攀⸀
਀䐀䤀䜀䤀吀䄀䰀 匀伀唀一䐀 匀伀唀刀䌀䔀
਀吀栀椀猀 椀猀 愀 搀椀最椀琀愀氀 爀攀挀漀爀搀椀渀最 漀昀 琀栀攀 爀攀氀攀瘀愀渀琀 愀挀漀甀猀琀椀挀 椀渀猀琀爀甀洀攀渀琀 
(bass drum,  snare,  cymbal etc.), stored in a programmable read਀漀渀氀礀 洀攀洀漀爀礀 ⠀瀀爀漀洀⤀⸀    吀栀椀猀 爀攀挀漀爀搀椀渀最 椀猀 瀀氀愀礀攀搀 戀愀挀欀 眀栀攀渀 琀栀攀 
relevant drum pad is struck.਀
VOLTAGE CONTROLLED OSCILATOR਀
The VCO generates a tone of given pitch determined by the user. ਀䤀琀猀✀ 琀漀渀愀氀 挀栀愀爀愀挀琀攀爀椀猀琀椀挀猀 挀愀渀 戀攀 挀栀愀渀最攀搀 戀礀 琀栀攀 昀椀氀琀攀爀⸀
਀圀䠀䤀吀䔀 一伀䤀匀䔀 匀伀唀刀䌀䔀
਀䴀愀渀礀 瀀攀爀挀甀猀猀椀瘀攀 猀漀甀渀搀猀 挀漀渀琀愀椀渀 愀 氀愀爀最攀 瀀爀漀瀀漀爀琀椀漀渀 漀昀 渀漀椀猀攀 漀爀 
hiss and the white noise source generates this element. The ਀搀攀猀椀爀攀搀 猀漀甀渀搀 挀愀渀 戀攀 挀漀渀猀琀爀甀挀琀攀搀 昀爀漀洀 愀渀礀 漀昀 琀栀攀猀攀 琀栀爀攀攀 
independant sound sources or a controlled blend of two or more.