The TEO‑5 is Oberheim’s compact 5‑voice analog synthesizer, designed to bring the iconic Oberheim sound into an accessible and performance‑ready format. It features genuine analog VCOs, the signature SEM™ state‑variable filter, and a powerful modulation matrix that encourages expressive sound design. With through‑zero FM, classic Oberheim tone shaping, a built‑in sequencer and arpeggiator, and high‑quality digital effects, it delivers both vintage character and modern versatility in a streamlined instrument. Key features Polyphony 5‑voice analog architecture Oscillators 2 VCOs + sub‑oscillator per voice Waveforms Triangle, saw, pulse; noise source Filter SEM™ state‑variable filter (LP–Notch–HP sweepable) Modulation Through‑zero FM, X‑Mod, modulation matrix Envelopes Two DADSR envelopes (filter & amp) LFO 5 waveforms with tempo sync Sequencer 64‑step polyphonic step sequencer Arpeggiator Multiple modes with sync Effects Dual 24‑bit effects: reverb, delay, chorus, flanger, phaser, ring mod Presets 256 factory + 256 user presets Keyboard 44‑key Fatar keybed with aftertouch Connectivity MIDI In/Out/Thru, USB‑MIDI, stereo outputs Included Accessories External power supply Printed quick‑start documentation Included Software Factory preset library (256 sounds) User‑writable preset banks Overview The TEO‑5 blends classic Oberheim character with modern synthesis tools, offering a wide sonic range from warm pads and expressive leads to aggressive FM textures and evolving soundscapes. Its SEM filter, dual VCOs, and flexible modulation architecture provide deep sound‑shaping potential, while the sequencer, arpeggiator, and onboard effects make it a complete performance instrument. Compact, powerful, and unmistakably Oberheim, it fits seamlessly into both hardware‑focused and hybrid studio setups.