Expressive E Osmose 61
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Essential Information About the Osmose 61 Synthesizer
Essential Information About the Osmose 61 Synthesizer
- 61 full-size keys for an extended range, more two-hand voicings, and increased comfort on stage and in the studio.
- 3D MPE expressivity per key: velocity, pressure, lateral pitch, glide, and vibrato for ultra-fine and musical control.
- EaganMatrix engine by Haken Audio: from physical modeling to FM and subtractive synthesis, ready to play without a computer.
- European manufacturing with a refined interface, rich presets, and a constantly evolving software ecosystem.
Manufacturer Information
Expressive E
https://www.expressivee.com
contact@expressivee.com
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EXPRESSIVE
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The New 61-Key Flagship of the Expressive E Range
Osmose 61 carries forward the revolutionary DNA of the 49-key model and extends it with an additional octave, without compromising the three-dimensional touch. Powered by the EaganMatrix, it establishes itself as the flagship of high-end expressive keyboards. Internal production in a factory in Poland enhances industrial control and reliability, creating an instrument built to last.For Demanding Keyboardists, Composers, and Sound Designers
Designed for advanced and expert musicians, Osmose 61 excels in ambient, electro, techno, synthwave, modern pop, and film scoring. In the studio, it becomes a precise MPE/MIDI control center; live, its dynamics and 3D expressivity transform every nuance of playing into inspiring sound material.Technical specifications
| Arpeggiator | Yes | Synthesis type | Digital, Modelization, FM, VA, Additive, Granular, Subtractive |
| Sampler | No | Vocoder | No |
| Max polyphony | 24 | Category | Digital synth |
| Velocity sensitive | Yes | Number of keys | 61 |
| MPE compatible | Yes | Key format | big |
| Semi-modular | No | ||
| Gestures | Tap, Press, lateral Pitch Bend, Vibrato, Aftertouch, Pressure Glide, Note Off | Headphone output | 1 x 1/4-inch TRS |
| Synthesis types | physical modeling, FM, subtractive and more | Pedal inputs | 2 assignable continuous inputs |
| Built-in effects | Reverb, Delay, Compressor/Drive, 2 convolution engines, EQ | Dimensions | 114 x 41 x 20 cm |
| Audio outputs | 2 x 1/4-inch TRS pseudo-balanced line outputs | Weight | 9.5 kg |
Questions frequently asked
Expressive E Osmose 61: how does the expressive keyboard work?
The 61-note keyboard with full-size keys detects tap, pressure, and aftertouch. A lateral pitch bend is applied per note, with vibrato and pressure glide. Release handling, or Note Off, is also among the supported gestures.
Is this keyboard compatible with MPE and MIDI DIN?
MPE compatibility is native, and connection to a DAW or external synthesizers can be done via USB or MIDI DIN. Two inputs for assignable continuous pedals complete the control options.
How many sounds and voices are available?
Up to 580 factory sounds are accessible, with capacity for up to 2048 slots. The maximum polyphony is stated as 24 voices.
What audio connectivity is provided?
Two 6.35 mm TRS pseudo-balanced line outputs, one 6.35 mm TRS headphone output, and two assignable continuous pedal inputs are integrated.
What are the dimensions and weight of the keyboard?
With dimensions of 114 × 41 × 20 cm, the format includes one more octave than the 49-key model. The weight is 9.5 kg.



