Oberheim Teo 5
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Essential Information About the Sequential TEO-5 Synthesizer
Essential Information About the Sequential TEO-5 Synthesizer
- 5-voice analog polyphony with VCO/VCF architecture, designed for expressive and lively sounds.
- Poly Chain via MIDI to chain two TEO-5 units and achieve 10 perfectly integrated voices.
- Enhanced arpeggiator with 10 new patterns, including "Spiral" and "Leapfrog" modes, and "Whiplash" timing responsive to playing.
- Expanded sound colors with the addition of violet noise, ideal for thickening textures and atmospheres.
Manufacturer Information
Oberheim
https://www.oberheim.com
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Safety manager:
Algam SAS
Email: contact@algam.net
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A Modern Analog Poly Designed for Immediate Inspiration
The TEO-5 positions itself as a polyphonic analog synthesizer focused on performance and creation, featuring a clear interface and direct controls. The recent update reinforces its "instrument" approach by adding immediately usable musical functions, suitable for both stage and studio.Who Is It For, and In Which Styles?
The Sequential TEO-5 is aimed at motivated beginners as well as experienced keyboardists seeking true analog character without getting lost in menus. It excels in electro, techno, synthwave, pop, and film scoring, thanks to its pads, basses, leads, and evolving textures. Live, the Fatar keyboard, aftertouch, and split/unison modes make it a very expressive synth; in production, the sequencer and built-in effects speed up sound design.Technical specifications
| Number of effects | 8 | Aftertouch | Yes |
| Arpeggiator | Yes | Sound generator | Noise, VCO |
| Controller | Aftertouch, Pitchbend, Scroll wheel | Envelope | ADSR |
| Filters | 2-pole state-variable filter, 12 dB/octave, from the OB-6 | LFO | 2 per channel |
| User memories number | 256 | Accessories included | Power supply |
| Max polyphony | 5 | MIDI I/O | IN, OUT, THRU (DIN), MIDI PAR USB |
| Velocity sensitive | Yes | Inputs | USB, Expression pedal, Sustain pedal, Midi, USB Midi |
| Number of oscillators | 2 | Outputs | USB, Midi, Headset, USB Type B, Stereo jack output |
| Synthesis type | Analog, VCO, Subtractive | Color | Black |
| Category | Analog synth | Sequencer | Yes |
| Number of keys | 44 | Preset number | 512 |
| Touch | Dynamic with aftertouch | Display | OLED |
| Key format | big | Weight | 7.7 kg |
| Transposition | Yes | Dimensions (mm) | 635 x 324 x 112 |
| Synthesis | polyphonic, 5 voices, VCO/VCF | Filter envelope modulation destinations | freely assignable |
| Oscillators per voice | 2 VCOs and a sub-oscillator | Amplifier envelope generator | 5 stages (DADSR) |
| Stackable waveforms for each oscillator | triangle, sawtooth, variable pulse | Amplifier envelope level | velocity-controlled |
| Oscillator synchronization | oscillator 1 to oscillator 2 | Five waveforms | triangle, sawtooth, reverse sawtooth, square and random (sample & hold) |
| X-Mod control | dedicated front-panel control, for linear FM synthesis | LFO synchronization | to tempo |
| Oscillator keyboard tracking | switchable per oscillator | LFO modulation level | initial |
| Noise generator | white noise, in the mixer before the filter | LFO destinations | freely assignable |
| Filter | classic SEM with band-pass mode | Vintage knob effect | reproduces the characteristics of a vintage synth by adding variations in component behavior between voices |
| Filter state knob | continuously variable from low-pass to notch to high-pass | Aftertouch destinations | freely assignable |
| Filter envelope level | bipolar, velocity-controlled | Master clock | with tap tempo |
| Filter keyboard tracking | yes | Tempo | control and display |
| Filter envelope generator | 5 stages (DADSR) | Master clock synchronization | to the MIDI clock |
Questions frequently asked
What is the polyphony of the Oberheim TEO-5?
The maximum polyphony is 5 voices, with 2 VCOs and one sub-oscillator per voice. Triangle, sawtooth, and variable pulse waveforms can be combined on each oscillator.
Does the keyboard have aftertouch?
The 44-note standard-sized keyboard is velocity-sensitive and includes aftertouch. Pitch bend and modulation wheels complement the expression controls.
What MIDI and audio connections are available?
Connectivity includes MIDI DIN In, Out, and Thru, as well as MIDI via USB. There is a stereo jack output and a headphone output for audio. Inputs for sustain pedal and expression pedal are also provided.
Is the TEO-5 sequencer polyphonic?
A 64-step polyphonic step sequencer is integrated, with a synchronizable arpeggiator offering multiple divisions, octaves, and play modes.
What filter is used on this synthesizer?
This instrument features a 2-pole, 12 dB per octave SEM voltage-controlled filter from the OB-6. Continuous morphing covers low-pass, notch, and high-pass responses, with keyboard tracking and velocity modulation.



