- SEQUENTIAL CIRCUITS PRO ONE SERIAL NUMBERS
- SEQUENTIAL CIRCUITS PRO ONE SERIAL NUMBER
- SEQUENTIAL CIRCUITS PRO ONE FULL
In fact you can replicate most of the leads and bass sounds from this album with your Pro-One. At least the first single “Only You” is well known to be an “all Pro-One song” since Vince published the patches in the Electronics and Music Maker magazine. In particularly the first album “Upstairs at Eric’s” the Pro-One dominates heavily with several songs solely made with the Pro-One. He used it on Depeche Mode’s first album “Speak and Spell” (1981), but it was on the two album with Yazoo (1982-83) he really got the most out of it. Perhaps the most famous user of the Pro-One is Vince Clark. The envelopes are well known for being extremely fast and snappy, which makes the Pro-One ideal for percussive sounds. The filter can self-oscillate and produce interesting seagull like sounds when on the edge.
SEQUENTIAL CIRCUITS PRO ONE FULL
The oscillators sound more physical and life full than the Pulse’s DCO:s. The oscillators sound very alive and with PWM they are really massive! Comparing it to the Pulse again, it sounds so much more interesting when fully opening up the filter. With some added EQ I think it is in the same league as the Pulse.
It’s not as bass heavy as the Waldorf Pulse but capable of producing really deep and solid bass. The lead sounds often have a certain brassy quality to it. The sound of the Pro-One can be described as very raw and gritty but still warm. The amplitude sustain pot is broken off, but it still works. The keyboard also works well even though it still feels very plastic and clicky. Now it works very well with only some noise from some pots that I don’t use that frequently.
I opened it up and cleaned the keyboard, fixed the keys so they were at the same height and started turning the bad pots back and forth to remove some oxide. When I bought my Pro-One the pots were very noisy from oxide and its keyboard was in pretty bad shape. Many of the early ones were sent back to the factory for a fix and the ones produced later have the power supply mounted on the chassis instead. The weight of the power supply can damage the main board if the synth is dropped etc.
SEQUENTIAL CIRCUITS PRO ONE SERIAL NUMBERS
Another concern with many of the earliest Pro-Ones, serial numbers under 1500, is that the power supply is mounted on the main board. The J-wire keyboards are pretty common in other synths and are pretty easy to fix when starting to act strange. Most Pro-Ones however (roughly 10 000 were made) have the much better J-wire type keyboard. The small membranes used as contacts for every key usually start producing double trigged notes or lost notes when getting old.
SEQUENTIAL CIRCUITS PRO ONE SERIAL NUMBER
The membrane keyboard was used in the Pro-Ones with serial number over 8500 and seems to be very hard to service. This is much worse with the later versions using the membrane type keyboard.
Its keyboard is notorious for its bad action and for being in constant need of service. The build quality is not in league with the Prophet 5, lacking the beautiful woodwork etc of its big brother. The Pro-One was brought out on the market as a scaled down and cheaper version of the Prophet 5. This may sound complex but is really straightforward to use. The modulation can be routed either direct or via the modwheel.
With the modulation matrix the filter envelope, oscillator B and/or the LFO can modulate oscillator A/B frequency, oscillator A/B pulse width or filter cut-off. Although most people think the MiniMoog is unrivalled when it comes to deep bass sounds, the Pro-One is more versatile having a small modulation matrix with two busses. The Sequential Circuits Pro-One is by many held as one of the most powerful sounding monosynths together with the MiniMoog and the Arp Odyssey. Between 19 several thousand Pro One keyboards were manufactured and sold by Sequential Circuits.įrom - They specialise in selling and dealing with old SCI gear, spares, parts etc. Its monophonic voice architecture was modeled after the Prophet-5 Revision 3 and Prophet 10 by incorporating the exact same VCOs, VCFs, VCAs, & Envelope Generators into the voice cell design. The Pro One keyboard was introduced at the 1981 Winter NAMM Trade Show by Sequential Circuits™ as the world's first synthesizer for under $1000, carrying a list price of $745. Sequential Circuits PRO-ONE Here's the SCI Pro-One.
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