QSR

For MIDI composers and musicians using controller keyboards, the QSR™ offers the excellent sounds and powerful synthesis engine from the advanced QS7 and QS8 keyboards in a single-space, rack-mount module. 16 megabytes of great Alesis sounds are packed into the QSR, and you can easily expand its sonic library by plugging in a QCard. Plus, the QSR offers the same dual expansion card slots, serial port and CD-ROM software package as the QS Series keyboards, making it one of the best values today in professional-quality sound generation tools.

Large, easy-to-read display, enhanced GM sound set
Hundreds of sounds and multitimbral mixes for your best compositions and performances
Includes Alesis' acclaimed stereo grand piano sounds
64 voice polyphony
Easy-to-understand interface for performing, programming and editing
Expansion card slots for adding an additional 16MB of new sounds, and Sound Bridge software for adding your own custom samples
ADAT Optical Digital Interface and Serial Data port
Included CD-ROM gets you rolling with software for MIDI sequencing, notation, editor/librarians, sample manipulation, extra sounds for the QS Series and more
Play back up to 100 Standard MIDI File sequences without any external sequencing device

Sound Generation Method: 16 Bit Linear 48kHz Sample ROM
Synthesis: QS Composite Synthesis ™
Voices: 64, each with sweepable lowpass filter, 3 envelope generators, 3 LFOs, programmable effects send and QS Modulation Matrix, dynamic voice allocation
Available Waveform Memory: 16 MB, expandable to 32 MB via PCMCIA Expansion Card Slots
Program Memory: 512 Preset, 128 User Mix Mode (400 Preset, 100 User)
Effects: QS Parallel Matrix Effects™ (4 independent stereo multieffect processing busses)
Multitimbral Mode: QS Mix Mode (64 Part multitimbral across 16 MIDI channels)
Expansion Slots: PCMCIA card slots, QCard and Sound Bridge compatible
User Interface: Backlit custom LCD display
MIDI Connections: MIDI In, Out, Thru.
Serial Jack: High Speed computer interface switchable between RS 422 and RS 232 protocols, Mac and PC compatible
Audio Outputs: Main L/R (1/4”), Aux L/R (1/4”), Headphone (1/4” TRS)
Power: 9VAC External Transformer, UL and CSA Approved
Dimensions: (WxHxD) 19"x1.75"x6" (483mm x 45mm x 153mm)
Weight: 4.5 lbs (2 kg)

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Manuals & Documentation	Size	Type
QS Sysex Document	73 KB	doc
QSR - QuickStart Guide	1 MB	pdf
QSR - Reference Manual	3 MB	pdf
QSR - Program Chart	694 KB	pdf
QSR - Mix Chart	510 KB	pdf