Product Price Polyphony (voices) Oscillators Count Filter Types Modulation Sources Sequencer Arpeggiator
Sequential OB-6
US
£2657.83 6 voices 2 VCOs plus sub-oscillator per voice 2-pole state-variable resonant filter with low-pass, high-pass, band-pass, and notch Filter envelope, oscillator 2, LFO, velocity, and channel aftertouch

The Sequential OB-6 is a six-voice analog polyphonic synthesizer with two discrete VCOs and a sub-oscillator per voice, plus a versatile SEM-inspired state-variable filter. Its hands-on controls, polyphonic sequencer, arpeggiator, effects, velocity, and aftertouch make it well suited to performers, sound designers, and studio musicians seeking classic Oberheim-style tones.

★ Ideal for

Its all-analog signal path, discrete VCOs and filters, solid hardware design, and extensive patch memory make the OB-6 a durable long-term polyphonic synthesizer for musicians seeking an instrument built to remain useful for many years.

UDO Audio SUPER 8
US
£2378.77 16 voices standard, 8 voices binaural 2 FPGA-based oscillators per voice, plus 1 fixed sub oscillator Analog low-pass and high-pass 2 LFOs, 2 envelope generators, velocity, polyphonic aftertouch, 8x8 modulation matrix

The UDO Audio SUPER 8 is a 16-voice bi-timbral analog-hybrid synthesizer with two FPGA-based oscillators, analog filtering, binaural stereo operation, and a 61-key keyboard with polyphonic aftertouch. It suits performers and sound designers who want hands-on control, expressive sequencing, layered sounds, and a durable instrument built for long-term use.

★ Ideal for

It suits anyone seeking a durable polyphonic synthesizer with a long lifespan because it combines 16-voice polyphony, high-quality mechanical controls, folded aluminium and steel construction, analog filters, and an upgrade path to 20 voices.