Xena 6 Voice Polyphonic Digital OSC / Analog VCF Desktop SynthesizerXena is a rework of the legendary Mutable Instruments Ambika DIY synthesizer. Now fully machine assembled with an updated layout and an improved modern power supply. Available with all original 3 voice cards and compatible with 3rd party operating systems, as well as a new AS3109 filter, a modern reissue of the original Roland filter chip.Xena Features: 6 voices with individual outputs, one Mix output (Mono) 2 digital oscillators per voice, with 36 oscillator algorithms/wavetables 1 sub-oscillator, also configurable as a transient generator Pre-filter overdrive and bit-crushing effect Analog 4-pole filter (or 2-pole multimode filter depending on the type of voicecard used) and VCA 3 ADSR envelopes, 3 patch-level LFOs, 1 voice-level LFO Modulation matrix with 14 slots and 4 modulation modifiers 1 arpeggiator, 1 note sequencer and 2 step sequencers per part Flexible mapping of the 6 voices. A single patch with 6 voice-polyphony, 6 independent mono parts, 2 layered patches with 3-voice polyphony, a 3-voice unison bass line on the lower half of the keyboard with a 3-voice unison lead on the upper half... all are possible! MicroSD storage allows the storing of a lifetime of patches, programs and multis, along with the history of editing operations for undo/redo Easy to change voice cards Case size: 10.5 x 6.5 x 1.75 inches Filter OptionsThe device is available with the original 3 Mutable voice cards (more will be added later on). Mixing voice cards is possible but not recommended.SMR Filter: This filter uses the same topology as the Shruthi SMR4mkII. It is a low-pass 4-pole OTA-C filter, a smooth, Rolandish type of filter.4P Filter: This filter uses the same core as the Shruthi 4-Pole Mission but only offers the LP4 output. The 4P is a bit fuzzier than the SMR type.SVF Filter: This filter board features a 2-pole state variable filter with low-pass, band-pass and high-pass modes. It is half of the Shruthi SVF Filter.