original vintage arp odyssey mkiii with some great saint-eric modifications (sainteric.eu) : lfo, adsr and ar have each a 3-positions switch: fast, normal or slow speed. 2nd lfo with 2 waveshapes, depth controllable with ppc, speed controllable with added pot, additional triangle waveform for both oscillators combinable with original waveforms at the vcf input. vcf cutoff can be modulated by each oscillator's added sine waveform.