Description
The Oberheim TEO-5 Desktop Module is a compact 5-voice polyphonic analog synthesizer that brings classic Oberheim character into a modern, space-saving format. Inspired by legendary instruments like the OB-X, Four Voice, and TVS, it features dual VCOs plus a sub-oscillator, a state-variable SEM filter, and thru-zero FM for rich, expressive sound design. Two DADSR envelopes, dual LFOs, a Vintage knob, and classic Oberheim effects deliver both authentic analog warmth and contemporary flexibility. With a built-in polyphonic sequencer, advanced arpeggiator, and OS updates enabling Poly Chain for 10-voice operation, the TEO-5 Desktop offers powerful sound shaping for studio and stage alike.

Analog Sound Engine
A 5-voice VCO/VCF-based analog architecture delivers classic Oberheim warmth using dual VCOs, a sub-oscillator, and the iconic state-variable SEM filter. Thru-zero FM via X-Mod expands tonal range, while the Vintage knob adds authentic voice-to-voice variation for rich, organic textures.

Creative Performance Tools
An integrated polyphonic sequencer, advanced arpeggiator with new rhythmic modes, and onboard effects including reverb, overdrive, and multi-FX support expressive sound design. Poly Chain enables two units to combine into a 10-voice system for dense chords and evolving arrangements.
5-voice polyphonic analog architecture with VCO/VCF-based synthesis for rich, classic tone
Dual VCOs plus sub-oscillator per voice with simultaneously selectable wave shapes
Thru-zero FM with dedicated front-panel X-Mod for expanded sonic possibilities
State-variable SEM filter with bandpass mode and morphable low-pass/notch/high-pass responses
Two DADSR envelopes and two LFOs with multiple wave shapes for deep modulation
Polyphonic step sequencer and arpeggiator with versatile modes and tempo sync
Built-in effects including reverb, overdrive, chorus, delay, flanger, phaser, ring mod, and more
Poly Chain support enables linking two units into a synchronized 10-voice synthesizer
Assignable aftertouch and performance controls including glide, unison, and hold switch
256 user/factory patch memory with direct access and organized banks
Comprehensive connectivity with stereo outputs, MIDI In/Out/Thru, USB MIDI, expression and sustain inputs
Compact desktop format with hands-on interface and professional build quality
Synth Type: Desktop Synth Module
Sound Generation: Analog
Display: OLED
Number of Sounds, Kits, or Samples:
256x Factory Sound Preset
256x User Sound Preset
Maximum Polyphony: 5 Voice (Stereo)
Multitimbrality: 1-Part (Monotimbral)
Built-In Effects:
1x Reverb
1x Multi-Effect: Bucket Brigade Delay, Chorus, Delay, Distortion, Flanger, HPF, Lo-Fi, Phaser, Ring Modulator, Rotary, Tape Delay
1x Distortion/Drive: Overdrive
Performance Functions: Arpeggiator, Sequencer
Oscillators:
2x Variable (PWM, Sawtooth, Square, Triangle)
1x Fixed Sub (Square)
Mixer: Oscillator, Sub-Oscillator, Oscillator 2, Noise, External Audio (Filter Routing)
Amplifiers: 1x VCA per Voice
Envelopes:
1x Filter/Assignable Envelope Generator per Voice: Delay, Attack, Decay, Sustain, Release, Depth (Loopable, Invertable)
1x Amp/Filter/VCA Envelope Generator per Voice: Attack, Decay, Sustain, Release
Filters:
Number of Filters: 1 per Voice
Characteristic: Analog Stereo SEM-Style
Type: Low-Pass, Band-Pass, High-Pass
Slope: 2-Pole/12 dB (HPF/LPF/BPF)
Key Tracking: Yes (Off, Half, Full)
Controls: Cutoff, Resonance
LFOs:
Number of LFOs: 2x Global per Voice
Waveforms: Sawtooth, Reverse Sawtooth, Square, Triangle, Random, Sample & Hold, Noise
Key Tracking: Full
Controls/Modes: Clock Sync, Rate/Frequency, Initial Amount
Glide/Portamento: Yes: Portamento
Sequencer:
Number of Steps: 64x Step
Number of Step Buttons: 16
Arpeggiator:
Range: Up to 3 Octaves
Note Values: 16th, 8th, 8th Note Triplet, Dotted 8th, Quarter Note
Modes: Up, Down, Up & Down, Random, Assign
Audio I/O:
2x 1/4″ TS Unbalanced Line Output (1 Stereo Pair)
1x 1/4″ TRS Stereo Headphone Output
Pedal Support:
1x 1/4″ TRS Expression
1x 1/4″ Sustain
MIDI I/O:
1x DIN 5-Pin Input
1x DIN 5-Pin Output
1x DIN 5-Pin Thru
USB I/O: 1x USB-B (MIDI, Update)
OS Compatibility: Windows / macOS
Power Requirements: AC Input
AC Input Power: 100 to 240 VAC, 50 / 60 Hz
Power Consumption: 22 W
Color: Gray
Dimensions: 21 x 7 x 3.5″ / 53.3 x 17.8 x 8.9 cm
Weight: 6.8 lb / 3.1 kg













