MATRIXSYNTH: Ondomo (Ondes Martenot) 6-oct


Wednesday, October 30, 2024

Ondomo (Ondes Martenot) 6-oct

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via this Vemia listing

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"This full-sized Ondes Martenot 'Ondomo Conservatoire DX-74' was handmade in Japan by Naoyuki Omo (owner of ASADEN) in 2022, and is one of only half a dozen similar instruments. It marks an evolution of a previous run of portable ondes Martenots ('Ondomo') manufactured by Naoyuki Omo, based on Maurice Martenot's final design, the Mk 7. The Ondomo Conservatoire DX-74 is a faithful recreation of the ondes Martenot, and comprises: a moveable keyboard (clavier mobile) of 74 keys, capable of vibrato via lateral motion. a ribbon/ring control (ruban/bague) adjacent to the keyboard, which permits glissando, vibrato and microtonal performance over multiple octaves. a control drawer (tiroir) with adjustable transparent expression key (touche d'intensité). illuminated controls for eight additive timbres which very closely emulate those of the Mk 7 (O - onde, C - creux, G - grande gambe, N - nasillard, T - tutti, 8 - octaviant, S - souffle, g - petite gambe (the last three with adjustable volume riders). gamelan buttons for playing quarter tones and various intervals in either ribbon or keyboard mode. a craquement switch which sets the keyboard to sustain or gate mode. an upper/lower note priority switch for the keyboard. an octave switch which affects the entire instrument. controls for adjusting the relative volumes and waveforms of timbres (e.g. pulse widths). volume controls for four outputs (D1, D2, D3, D4, where D = 'diffuseur', traditionally the principal, métallique, palme, résonance etc, but conceivably any passive or active speaker). and controls for automatic and manual tuning of the keyboard and ribbon, as well as adjustment of the keyboard vibrato sensitivity, ribbon tension, and touch d'intensité (volume button) sensitivity. The instrument comes with all its original accessories, a power supply, and box. It has detachable legs, leather carrying handle, protective lid, and integral 'rainbow' perspex music stand (not shown in the photo). There are two outputs, which provide the D1/2 and D3/4 outputs as stereo pairs. Note that the instrument is monophonic and has only audio outputs, not CV or MIDI. I have unpacked and assembled the instrument once, to test it, and found it to be in excellent working condition. It has all original accessories and box. I have been impressed with its tone and performance, and used an earlier model (the miniature Ondomo) extensively for performance and recording work (e.g. for Marvel Loki S1) - that instrument has also been used recently by Jonny Greenwood. The Conservatoire DX-74 has a very similar tonal quality to the original Ondomo, but benefits from greater versatility, sensitivity, and range."

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