Now, the availability of these CV voltages is in itself a source of great satisfaction, but in addition, there’s the MOD-MATRIX with all its details and routing flexibility, which makes it even better. This modification improves the Pro-One master keyboard functions significantly: The user now has a keyboard, sequencer, arpeggiator and glide at his fingertips (for controlling other analog synthesizers or modular systems), and, in addition, extra control voltages such as pitch bend / envelope / oscillator / LFO signal.
The voltage amount can be controlled in any case via WHEEL or DIRECT(ly). This means that not only the PITCH BENDER CV is available, but also the following control voltages: FILTER ENVELOPE, OSCILLATOR B (multiple waveforms, frequency range switchable audio / low) and the LFO (again with multiple waveforms).
Sequential circuits pro one midi kit mod#
Now, the real sensation is that mod wheel output refers to the sum (!) of all modulation matrix control voltages. One little snag (there’s always one): Neither pitch-bend nor modulation wheel values can be used for external performance, which means that the usefulness of the Pro-One as a controller keyboard is somewhat limited.Īn experienced technician has no big problems implementing what we’re missing here: Pitch-Bender Out and Mod-Wheel Out. In this respect, the Pro-One is a nearly perfect “instant music” synthesizer, both for internal and for external cv-control. Sequences are recorded in step-time and can be played back and transposed in real-time via the keyboard. The sequencer is both useful and simple to operate.
Sequential circuits pro one midi kit upgrade#
Part 1 of our trilogy is devoted to a simple idea: to a pitch bend / mod wheel socket upgrade that brings the instrument up to masterkeyboard standards …Įxplanatory notes: The Pro-One synthesizer offers a small step-sequencer / arpeggiator that outputs the notes via CV / Gate – including any glide effect – if activated. Being a very reliable instrument, the Pro-One is still in ciculation in large numbers today. This classic synthesizer was built from 1981 to 1984 and it sold about 10,000 times.
We would like to point to a few useful ideas, modifications and upgrades pertaining to the Sequential Pro-One.
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