![]() ![]() External audio in can also be used to generate a gate signal. The back panel has audio out, external audio in, and CV/gate in and out. There are two modulation busses, one is direct (non-attenuated) and the other can be attenuated by the mod wheel. There are controls wheels to the left of the keyboard which are pitch bend and modulation amount. You can skip to 30:46 to hear just the sounds. The glide can be switched so it only glides when you press a key before releasing the previous key. In this video from YouTuber Starsky Carr, we get a side-by-side comparison between the new Behringer PRO-1 and the famous Sequential Circuits Pro One from which its cloned. The Pro-One has a 40-note dual sequencer with a volatile memory (the sequence is lost when you turn the instrument off) and an arpeggiator. These sources can modulate VCO1 frequency, VCO1 pulse width, VCO2 frequency, VCO2 pulse width, or the filter. The available modulation sources are Filter Envelope, VCO2, or LFO. There is a filter input control which is a mixer for VCO1, VCO2, and noise or external audio in. The material for the latter can be purchased in any hardware store for a few Euros, and lend the Pro-One a higher degree of stability. Part 3 of our Pro-One upgrade trilogy provides hints for a new CPU, MIDI kits, and some very simple modifications. ![]() The VCF has controls for frequency cutoff, resonance, envelope modulation amount, and keyboard follow amount. Sequential Pro-One modifications and upgrades (part 3). The VCF is 4-pole lowpass and will self-oscillate. The Pro-One has two envelope generators (ADSR), one for the VCF and one for the VCA. The LFO can output a sawtooth, triangle or a square waveform and can be set to retrigger on key press. (VCO1 and VCO2 are actually called "VCOA" and "VCOB".) VCO2 is switchable between sawtooth, triangle, or pulse waveforms (any or all) and has a switch to disable keyboard control. It uses a total of four oscillators per voice with 127 waveforms (32.US5,995. VCO1 is switchable between sawtooth and pulse waveforms (either or both) and can be synced to VCO2. The Prophet VS uses Vector Synthesis as its revolutionary new means of sound creation. The Pro-One is a monophonic, two oscillator synthesizer with a 3 octave, 37-note (C-C), keyboard. ![]() Sequential ad featuring the Pro-One, courtesy of Benjamin Ward Search the Classifieds for this instrument. (remote controller keyboard for the Prophet-5) Six-Trak Split-8 Being a very reliable instrument, the Pro-One is still in ciculation in large numbers today. Archives for posts with tag: Sequential Circuits Pro One::: FUNK SONG OF THE WEEK ::: Octo// 0. This classic synthesizer was built from 1981 to 1984 and it sold about 10,000 times. Posts about Sequential Circuits Pro One written by intelfukko. Prophet-3000 Prophet-T8 Prophet-VS Remote We would like to point to a few useful ideas, modifications and upgrades pertaining to the Sequential Pro-One. Pro-8 PRO-FX Pro-One Prophet-5 Prophet-10 Prophet-600 Sequential Circuits Instruments Drumtraks Fugue Max Multi-Trak Model 800 Home Site Map About Us Contact Us Support Us ![]()
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