Sequential Circuits Studio 440

The Studio 440 was a sampler, sequencer, and 32 sound drum machine manufactured by Dave Smith's Sequential Circuits (SCI) and released in 1986. The sampler's core is similar to that of the Prophet 2000 and Prophet 2002. There is a 3.5" floppy disk drive to store samples and data.

Sample rate
The 440 also made it easier to access the full 768 KB of memory available, to create 12-bit samples from 12.5 to 33.5 seconds and up to 41.667 kHz.


 * 15.625 kHz rate : 33.5 seconds  —  6 kHz bandwidth
 * 31.250 kHz rate : 16.7 seconds  —  12 kHz bandwidth
 * 41.667 kHz rate : 12.5 seconds  —  18 kHz bandwidth

Sequencer

 * 8 tracks
 * 40,000 note capacity
 * 999 measures per sequence
 * 99 sequences
 * Two discrete MIDI outs with up to 32 channels of MIDI

Notable users

 * Aphex Twin
 * The Beatmasters
 * Dan the Automator
 * Simon Harris
 * King Tech
 * Mantronix
 * The Orb
 * Prince Paul
 * Three Times Dope