The Neutron Sound Orgone Accumulator is an unusual digital oscillator built on a 32 bit ARM Cortex M4 processor. With dynamically crossfadeable waveforms, detune control, filter like harmonic content control, effects, a drum mode, and so many CV options, it can create sounds ranging from soft and subtle to outrageous and intense.
The output is 16 bit, and the waves are 512 point 16 bit. there is an analog fixed 19khz 4 pole filter to keep most digital HF from getting in your modules.
The 1v/octave input is "real time" exponential converted every 300-450nS, no look up tables or silly pitch bend schemes. the resolution is 1/72 of a semitone.
The idea is to have 3 waveforms which are interpolated between with the central knob and scanned by the "position" CV input. this way you can get a lot of variation with only one CV. There are selectable waveforms on low, medium and high, the available waves change depending on what mode it is in
In the 2.0 firmware there are 8 "effects" which are: detune, twin(vc phase), 2 distortions, chord, spectra, delay, and drum. Within each effect, there is pulsar, normal, and FM modes, as well as "x" which is a pitch bend of the third wave.
The detuning is modulate-able, not only the frequency (which in normal mode can be an octave) but the amount via the detune enable buttons and the position. dynamic detuning is not something i have seen used much in synths, it is quite powerful.
Position, detune, index, and mod frequency all have analog attenuverter inputs, as well as the respective knobs
Either an on-board 12V -> 5V regulator can be used, or the module can draw from the system 5V rail. Power draw is also influenced by op-amp choice. With system 5V used, LME49740 U3 OPA2277 U4 it is 37mA on -12V, 39mA on +12V.
- 16 bit output with 512 point 16 bit waves
- Fixed 19kHz 4 pole filter to keep most digital HF from getting in your modules
- Real time exponential 1v/octave input, converted every 300-450ns
- 8 effects in the 2.0 firmware including: detune, twin(vc phase), 2 distortions, chord, spectra, delay and drum
- Modulatable detune
- Attenuverter inputs for position, detune, index and mod frequency
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- 39 mA +12V
- 37 mA -12V
- 50 mA 5V
- 30 mm Depth