Published on Oct 18, 2018 Dave Bellamy
Playlist:
1. Prophet VS arpeggiator and lead sound (bight and LOUD).
The pretty unique Prophet VS when it was working.2. Sequential Prophet VS Curtis filters resonance demo after raspy strings sound.
It had a nice arpeggiator with Assign mode which I find ten times more useful than the standard uop and down modes.
Here is a little string type lead sound on top of the arpeggiator: the same sound as the arpeggio but brighter because the notes are more sustained. This synth could be searing, bright and loud and at other times really quite subdued. The waveform was a strings waveform on all 4 oscillators if I recall correctly.
It' is (was, becaus it's now broken) a bitimbral synth but this is in 8 voice monotimbral mode with notes overlaying the arpeggio.
Sequential really, rather than Sequential Circuits, Prophet VS. Raspy string sound and then crazy filter resonant bubbles sound. Curtis analog filters, digital oscillators playing single cycle sample waves, so this was a hybrid synthesizer in the true sense. Definitely showing the harsher element of the VS sound!3. Sequential Prophet VS - first look inside this Analog/Digital hybrid vector synthesizer.
Sequential Prophet VS - first look inside this Analog/Digital hybrid vector synthesizer, after most of the dust was cleaned out!
Video file: PA180371.
Similar to the other videos - but this one shows a possible crack developing in the left hand circuit board near the data slider.
4. Sequential Prophet VS electronics: Curtis CEM chipset 3360, 3365, 3379, 5510 & 5530.
Quick tour of the Curtis chip set on the circuit boards of a Sequential Prophet VS synthesizer. Chips shown: CEM 3360 (VCA), 3365 (DAC, x2), 3379 (VCF, x8), and sample and hold ships CEM 5510 (x4) and 5530 (x2).5. Sequential Prophet VS interior electronics inc. VCFs and VCA - synth currently needs repair.
Synth needs repair, otherwise pretty decent condition (no data slider knob); it worked for 18 years for me.
This is after most of the dust was cleaned out! I couldn't even read the numbers on the chips when I first opened it this morning.
Video file: PA180381
Quick tour of the interior and circuit boards of a Sequential Prophet VS synthesizer, showing various parts including most of the Curtis chip set used in this synth. Synth needs repair, otherwise pretty decent condition (no data slider knob); it worked for 18 years for me.
At around 1:00, I mentioned the 4 CEM 5510 S&H chips; actually that's the right number of those! There are no nice arty designs or illustrations on these boards like there were on the Prophet-10 for instance (see DSI studio and office tour with Carson here on YT).
This is after most of the dust was carefully cleaned out of this synth! I couldn't even read the numbers on the chips when I first opened it this morning.
Video file: PA180375
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