In 1978, sequential released the prophet5, the first programmable polyphonic synthesizer, used by artists including michael jackson, madonna, and john carpenter. Find great deals on ebay for sequential circuits pro one and behringer pro1. The sequential pro 1 and pro 2 mono synths achieved nearly legendary status in their time. From dave smith of todays dave smith instruments, the sequential circuits pro one is a lowercost, monophonic adaptation of the classic prophet 5. This is one of the favourite synths from vince clark. Sequential circuits pro one repair and reconditioning buying a mint pro one was not an option at todays high prices, but i found a good deal on ebay and was convinced that i could recondition it myself. Also, something you dont really see anymore that used to be quite common is the use of a tilde as a hyphen on proone here.
Music technologies group sequential circuits pro one turbocpu. The pro one is a twooscillator analog synthesizer that uses cem3320 chips for its filter. Sequential circuits pro one synthesizer and manual. Sequential circuits proone 1981 monophonic 37 keys synthesizer. A pretty beat up pro one has found its way onto my work bench and im considering popping it into a wooden enclosure to make my life easier but at the same time give it that sweet prophet 5 look. Released in 1981, the pro one featured a single voice but two oscillators for added sonic flexibility, a fourpole low pass filter, two adsr envelope filters, along with an arpeggiator and a very. The proone is a monophonic onevoice keyboard synthesizer. Dec 17, 2010 plattenbaucrew synth demo all sounds made with the sequential circuits pro one and external fx, cubase 8x multitrack recording this synth is used by depeche mode, the prodigy and vince clarke from. This is the only means of editing sounds, without which you are stuck with the 80 presets and whatever may be in the 20.
The pro one was basically sequential s attempt at taking their legendary prophet 5 polysynth and packing it into a compact, inexpensive, monophonic analog synth. Now i have a finely tuned sequential circuits pro one in mint or at least near mint condition, on an indie rockers budget that was brought back to life with my own hands. A sequential logic circuit is defined as the one in which the present output is a function of the previous history or sequence of the inputs and also of the present input combination. One of the more beastly of mono synths ever created, the sequential circuits proone is a powerhouse of punchy bass and singing leads. Proone synthesizer operation manual by stanley jungleib. Sequential circuits proone synthesizer ownersuser manual contents. Flipflops, latches and counters and which themselves can be made by simply connecting together universal nand. So it was only natural that we build on their strengths with an even more worthy successor. For those of you who want to edit the sounds on the max, you will need sequential s model 920 software and an ancient commodore 64 computer or you can use mark of the unicorns unisyn software editor for macpc you can even use modern midi controllers like. Jul 27, 2014 this video demonstrates and documents pea hicks sequential circuits proone synth patches, inspired by the work of vince clarke on yazoos dont go. They have developed the pro one software synthesizer plugin.
Mar 22, 2017 sequential circuits proone vs uhe repro1 software synth compared this video, via starsky carr, compares the sound of uhe repro1 to a vintage sequential circuits proone. Simple sequential logic circuits can be constructed from standard bistable circuits such as. It comes from the same period and genre as the roland sh101 and moog prodigy. It is comparable with the roland sh101 or the moog source, featurewise, but sounds very different from either. The mtg pro one turbo replacement cpu module is a dropin replacement. Its not a complaint as such, but something worth noting. Input signals change one at a time and only when the circuit is in the stable state. One of r or s usually changes first ambiguously returns to state 01 or 10 a socalled race condition or nondeterministic transition. Pro one keyboard cable including delivery to anywhere outside the usa. Sci was a californiabased synthesizer company that was founded in the early 1970s by dave smith, and sold to yamaha corporation in 1987. Sequential circuits proone synthesizer demo youtube.
For those of you who want to edit the sounds on the max, you will need sequentials model 920 software and an ancient commodore 64 computer or you can use mark of the unicorns unisyn software editor for macpc you can even use modern midi controllers like the oxygen8. They sound really similar differences may only be down to the age of the og. It has two vcos, a great 4pole lowpass filter, two adsr envelopes one for filter, and a compact. Fully disassembled, cleaned inside and out, and meticulously serviced and reassembled. A nice touch are the two separate onboard sequencers sort of a sequential tradition. In this section, let us discuss about the clock signal and types of triggering one by one.
Sequential circuits pro audio synthesizers for sale ebay. Sequential was also pivotal to the development of midi in 1982, which synchronizes electronic instruments by different manufacturers. One bit memory cell the simplest sequential circuit or storage element is a bistable multivibrator, which is constructed with two inverters connected sequentially in a loop as shown in figure below. Sequential circuits proone vs uhe repro1 software synth compared. This page contains information about the schematic for the proone from sequential circuits. Wcs has been servicing old sequential gear for years, as well as selling repair parts, etc. Sequential circuits proone vs uhe repro1 software synth. I go over each knob and switch and end with a bit of a demo. With the aid of a simple guitar tuner and a small screw driver the proone. A photographic tour inside the sequential circuits proone. While the build quality of the proone was not in the league of its polyphonic sibling it certainly matched the prophet 5 sonically.
Plattenbaucrew synth demo all sounds made with the sequential circuits proone and external fx, cubase 8x multitrack recording this synth is used by depeche mode, the prodigy and vince clarke from. Now, try to give us the settings for some of the upstairs at erics songs. Sequential circuits pro one synthesizer and manual fonts. An owners guide for the operation of the equipment. The end result is an instrument thats better than the rest and is priced accordingly. Sequential logic sequential circuits simple circuits with feedback latches edgetriggered flipflops timing methodologies cascading flipflops for proper operation clock skew asynchronous inputs metastability and synchronization basic registers shift registers simple counters hardware description languages and sequential logic.
By special request, heres another yaz track recreated w the sequential circuits proone synth. Well, the pro 8 is not really an sci product basically, the story is that the japanese manufacturer who sequential circuits subcontracted to make the sixtrak borrowed some of the core design and components to create the pro 8 so as to make a more appealing product for their market and when sequential was presented with this changeling child, they asked. Its principal sound sources are two voltagecontrolled oscillators vcos, referred to as osc. The software below is a windows editorlibrarian that i use for development. Find great deals on ebay for sequential circuits pro one and behringer pro 1. Feb 01, 2015 here we have a demo with the monophonic synth sequential circuits pro one. Behringer pro 1 vs original pro one they sound really similar differences may only be down to the age of the og. My only ve is the size of the unit making exact settings difficult to dial in. Yazoo dont go synth patches for sequential circuits proone.
Sequential proone sch service manual download, schematics. These memory elements are devices capable of storing onebit information. If all the outputs of a sequential circuit change affect with respect to active transition of clock signal. It gave me confidence to tackle even harder projects. Sequential circuits pro one 1981 monophonic 37 keys synthesizer. The sequential circuits proone annotated manual annotations in bold square brackets by jet. In this course material we design and analyze only synchronous sequential logic. Inside the sequential circuits proone monophonic synthesizer. The sequential pro one is a wicked little monosynth. Sequential is led by legendary instrument designer and grammywinner dave smith, the founder of sequential circuits in 1974. This copy of schematic was originally available from.
This is a vintage analog monophonic synthesizer from the 80s. Sequential circuits pro one restoration arch frenemy. In 1977 dave designed the prophet5, the worlds first fullyprogrammable polyphonic synth, and the first musical instrument with an embedded microprocessor. Sequential circuits went out of business in 19 jet sequential circuits, inc 3051 north 1st street san jose, ca 954 408 9465240 telex. The housing was dirty, the pots were scratchy, the unit only powered up intermittently, the audio was buzzy, the keyboard keys were uneven. Digital sequential circuits we discussed various combinational circuits in earlier chapters. The availability of a variety of support devices is also one of the causes of popularity of intel 8085. Sequential logic circuits made up of combinational circuits and memory elements. Sequential circuits pro one vintage synth explorer.
I think it was from people using rubdown type and maybe headline setters who thought it looked. This 3 chipset is the highest level operating system roms available from sequential circuits for the t8. We also talked about his edp electronic dream plant wasp setup. After the success of the legendary sequential circuits prophet 5 polyphonic synthesizer, sequential released a synth that was in many ways a monophonic version of the prophet 5.
The sci pro one is an analog monophonic synth, similar in what a monophonic prophet 5 would be. There are several different types of keys used on the sci keyboards, so you will need to make sure you order the. The sequential circuit probably in part thanks to the sci roots, there was also an inbuilt arpeggiator and sequencer. This process was performed by an expert vintage synth tech and took hours. This video demonstrates and documents pea hicks sequential circuits proone synth patches, inspired by the work of vince clarke on yazoos dont go. Sequential circuits pro one synthesizer and manual fonts in use. Among the many things josh is involved with, otic sound is one of them. Overview and tutorial of the sequential circuits pro one synth. Sequential circuits 400 drum tracks ownersuser manual contents. The pro one was basically sequentials attempt at taking their legendary prophet 5 polysynth and packing it into a compact, inexpensive, monophonic analog synth. The oscillator hardsync sounds are especially exciting. Service manuals, schematics, eproms for electrical technicians.
Hi ive just installed the mtg turbo cpu for sequential circuits pro one but now i cant get a sound out of the synth. This site helps you to save the earth from electronic waste. This page contains information about the schematic for the pro one from sequential circuits. Sequential circuits pro one wine country sequential. The storage capability in sequential circuits is normally achieved by means of flipflops. This manual provides useful information that can be applicable to both the. Throughout its lifespan, sequential pioneered technologies and design principles that have served as a foundation for the development.
I take a look at the oscillators, followed by the filters then make a couple of useable sounds and add a sequence. Sequential logic sequential circuits simple circuits with feedback latches edgetriggered flipflops timing methodologies cascading flipflops for proper operation. Here we have a demo with the monophonic synth sequential circuits proone. They were both plain and very simple, with the arpeggiator offering only up and updown over the course of the notes that were played, with no range control. Sequential circuits pro one sequential circuits encyclotronic. This video, via starsky carr, compares the sound of uhe repro1 to a vintage sequential circuits proone. If you want to make your own midi interface, instructions are in the manual. Sequential circuits pro1 owners manual internet archive.
The sequential circuits pro one is the first synthesizer in the world available. Contact information shown for historical purposes only. The sequential circuits pro one annotated manual annotations in bold square brackets by jet. The word sequential means that things happen in a sequence, one after another and in sequential logic circuits, the actual clock signal determines when things will happen next. Most of these replacement keys are used, but in fine condition. Heres what hicks has to say about the custom patches. Moog prodigy or the sequential circuits proone though i know that our editor isnt. A locally cached version of schematic is available at. It has two vcos, a great 4pole lowpass filter, two adsr envelopes one for filter, and a compact threeoctave keyboard. Well, the pro8 is not really an sci product basically, the story is that the japanese manufacturer who sequential circuits subcontracted to make the sixtrak borrowed some of the core design and components to create the pro8 so as to make a more appealing product for their market and when sequential was presented with this changeling child, they asked. Monophonic synthesizer released in 1981 and supposed to be placed on the market for small cheap synths available to the general public.
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