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Synthesizers&KeyboardsSound Module/ Tone GeneratorModular SystemsDrum Machines, Percussion SynthsOtherDJSoftwareSamplers

Arranger, Arranger Workstation91 Chromatic Keyboard5 Digital Organ/ Organ Synthesizer47 Extensions64 Keyboard/ Piano154 Keytar7 MIDI/ USB Controller93 Performance Synthesizer330 Synthesizer414 Workstation194 Full list of categories

Compact Home Piano16 Compact Stage Piano133 Console&Upright Digital Piano1 Grand Piano4 Harpsichord0

External Controllers8 Rack Sound Module/ Tone Generator191 Tabletop Sound Module/ Tone Generator189

Modular System32 Modular System Components145 Semi-Modular103

Bass Synthesizer52 Drum Machine, Percussion Synthesizer85 Electronic Drum Kits & Drum Sound Modules2

Audio Interfaces1 Converters0 Electronic Wind Instrument4 Mixers2 Production Studio8 Sequencers49 Sound Processors13 Vocoders, Voice Harmonizers8

DJ Media Players0 DJ-controllers44 DJ-mixers1 Grooveboxes/ MPC45

Software Synthesizers2

Desktop Samplers11 Keyboard Samplers2 Rackmount Samplers15

Electric GuitarsProcessors, Effects, PedalsAmplifiersTuners&metronomes

Electric Bass Guitars60 Electric Guitars60

Stompboxes&Pedals0 Synthesizers, processors0

Amplifiers0 Lamp Amplifiers0

Metronomes0 Tuners0

Synthesizer: how it works?

Roland SYS-521

Roland SYS-521 SYSTEM-500 VCF

Two independent filters are placed in one 521 module. A voltage controlled filter can serve not only for signal frequency correction, but also for obtaining various "wobble", "quacks" and so on. Each of the filters has three inputs for signals with...

300.00 U.S.Dollars