From ucivax!orion.oac.uci.edu!usc!wupost!cs.utexas.edu!swrinde!mips!spool.mu.edu!snorkelwacker.mit.edu!hsdndev!encore!m2c!garbo.ucc.umass.edu!dime!barrett Mon Oct 7 11:46:04 PDT 1991 Article: 22601 of rec.music.synth Path: ucivax!orion.oac.uci.edu!usc!wupost!cs.utexas.edu!swrinde!mips!spool.mu.edu!snorkelwacker.mit.edu!hsdndev!encore!m2c!garbo.ucc.umass.edu!dime!barrett From: barrett@panther.cs.umass.edu (Daniel Barrett) Newsgroups: rec.music.synth Subject: Re: Prophet 600? Message-ID: <37359@dime.cs.umass.edu> Date: 5 Oct 91 15:46:01 GMT References: <9110031322.aa21590@Bonnie.ics.uci.edu> <1991Oct04.191726.201312@cs.cmu.edu> <28ECD40C.18009@ics.uci.edu> Sender: news@dime.cs.umass.edu Reply-To: barrett@panther.cs.umass.edu (Daniel Barrett) Organization: University of Massachusetts, Amherst Lines: 16 In article <28ECD40C.18009@ics.uci.edu> dharkles@ics.uci.edu (Dan Harkless) writes: >Now, can anyone give me some specs on the old Pro-1's? I'm assuming these >were the precursors to the Prophet 5's? Nope. The Pro-1 is a monophonic instrument (1 voice). However, it is one *hell* of a nice monophonic synth! It has tons of doodads and controls. When I first saw one, I saw tempted to sell my existing mono synth and buy a Pro-1. Dan //////////////////////////////////////\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ | Dan Barrett -- Grad student, Department of Computer & Information Science | | University of Massachusetts, Amherst, MA 01003 -- barrett@cs.umass.edu | \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\///////////////////////////////////// From ucivax!orion.oac.uci.edu!usc!rutgers!rochester!pt.cs.cmu.edu!metlay Mon Oct 7 11:49:00 PDT 1991 Article: 22603 of rec.music.synth Path: ucivax!orion.oac.uci.edu!usc!rutgers!rochester!pt.cs.cmu.edu!metlay From: metlay+@cs.cmu.edu (Mike Metlay) Newsgroups: rec.music.synth Subject: Re: Prophet 600? Summary: The Pro One Message-ID: <1991Oct05.171920.237732@cs.cmu.edu> Date: 5 Oct 91 17:19:20 GMT References: <9110031322.aa21590@Bonnie.ics.uci.edu> <1991Oct04.191726.201312@cs.cmu.edu> <28ECD40C.18009@ics.uci.edu> Organization: School of Computer Science, Carnegie Mellon Lines: 40 Nntp-Posting-Host: organ.music.cs.cmu.edu In article <28ECD40C.18009@ics.uci.edu> dharkles@ics.uci.edu (Dan Harkless) writes: > Okay, screw that. Thanks for the info, Mike. Now, can anyone give me My pleasure. 'Swhat I'm here for. >some specs on the old Pro-1's? I'm assuming these were the precursors to the >Prophet 5's? How do they compare to the 5 in terms of available voice >parameters and stuff? Do they have a noise source? Do the SSM oscillators >really sound fatter than the CEM's? If so, why the hell did SCI change over? >Did they consider fatness undesirable or something (the beginning of the >digital mentality)? Nope nope nope. Many wrong assumptions here. The Prophet-5 was the very first synth marketed by Sequential, followed by the Prophet-10, and THEN the Pro-One. The Pro-One was a monophonic synthesizer in the style of the ARP Odyssey, with two VCOs plus a noise source into a VCF and VCA, two envelopes and an LFO, arpeggiator and a sequencer with a memory of forty notes (!!). It's a great unit-- I've owned two of them over the years-- but not really a substitute for a polyphonic machine. As for the oscillator chip question, that's an interesting problem, one that I believe to be more hype than hard data. Curtis chips are easier to autotune than SSMs, supposedly. I wouldn't say either chip sounds "fatter" or "better," and I know of machines that use both types successfully. The Oberheim Xpander, Chroma Polaris, late-rev Prophets, and many other analog machines used Curtis chips, but the Polysix did wonders with a single set of SSM oscillators. If anyone has any hard facts on the differences between these chips, I'd like to see them. It might be worthwhile for me to see if there's anything on the matter in my three-inch-thick bound volume of Electronotes, for which I would like to publicly thank fellow Netter Jim Hurley (who lived in my home town twenty-five years ago and was a close high-school friend of my big brother's, then reappeared last year asking me, "Are you a "metlay" as in the Metlays of Pittsburgh?" Small universe.). -- metlay | The good news is that he desires nothing xpander-loving old curmudgeon | more for his music 'rep' than a cameo in | SAVAGE HENRY COMICS. metlay@organ.music.cs.cmu.edu | The bad news is, he's likely to make it. From ucivax!orion.oac.uci.edu!usc!rpi!zaphod.mps.ohio-state.edu!wupost!uunet!timbuk.cray.com!shamash!jeff Thu Oct 10 11:51:13 PDT 1991 Article: 22730 of rec.music.synth Path: ucivax!orion.oac.uci.edu!usc!rpi!zaphod.mps.ohio-state.edu!wupost!uunet!timbuk.cray.com!shamash!jeff From: jeff@u02.svl.cdc.com (Jeff Needham) Newsgroups: rec.music.synth Subject: Re: Prophet 600? Message-ID: <37108@shamash.cdc.com> Date: 8 Oct 91 23:45:02 GMT References: <1991Oct04.191726.201312@cs.cmu.edu> <28ECD40C.18009@ics.uci.edu> <1991Oct05.171920.237732@cs.cmu.edu> <28F12047.10387@ics.uci.edu> Sender: usenet@shamash.cdc.com Lines: 32 dharkles@bonnie.ics.uci.edu (Dan Harkless) writes: >In article <1991Oct05.171920.237732@cs.cmu.edu> metlay+@cs.cmu.edu (Mike Metlay) writes: > Hmm. So does it have more modulation capability than the 5 / 10, >less, or about the same? More. 3 Sources (LFO ENV OSC B) 5 Destinations (OSC-A PW-A OSC-B PW-B FIL) 2 Busses (WHEEL and DIRECT) No pink noise ; Variable keyboard tracking > Anyone else have a different opinion on this? There's a noticeable difference in sound between a Rev2 and Rev3 Prophet The problem is that SCI replaced both the OSCs and FILs together. The Jupiter-6, Oberhiem OB-8 and Prophet-5 all sound VERY different despite Curtis oscillators all around. Oberhiem uses 2 Curtis filters in series 2-pole, Rev3.2 Prophets use 1 in 4-pole and Roland uses 2 proprietary in series 2-pole. I would suspect the VCF chip set and configuration for sonic signature. jeff -- How to get 5 Canadians out of a swimming pool? Say,"Could you PLEASE get out of the pool" | Jeffrey Needham | Yet Another Oracle Performance Group | Control Data - Santa Clara, CA - INTERNET jeff@hawk.svl.cdc.com From ucivax!orion.oac.uci.edu!usc!elroy.jpl.nasa.gov!sdd.hp.com!spool.mu.edu!munnari.oz.au!uunet!timbuk.cray.com!shamash!jeff Fri Oct 11 13:22:26 PDT 1991 Article: 22820 of rec.music.synth Path: ucivax!orion.oac.uci.edu!usc!elroy.jpl.nasa.gov!sdd.hp.com!spool.mu.edu!munnari.oz.au!uunet!timbuk.cray.com!shamash!jeff From: jeff@u02.svl.cdc.com (Jeff Needham) Newsgroups: rec.music.synth Subject: Re: Pro-One Questions (was Re: Prophet 600?) Message-ID: <37150@shamash.cdc.com> Date: 11 Oct 91 15:25:47 GMT References: <9110101255.aa29111@Bonnie.ics.uci.edu> Sender: usenet@shamash.cdc.com Lines: 24 dharkles@Bonnie.ICS.UCI.EDU (Dan Harkless) writes: > The Pro-One uses SSM VCO and VCF, right? And it's just the two It is all Curtis hardware >oscillators? Is there no triangle wave on Osc. A? This is correct. >price? John Rossi told me that they are around and selling for under >$100 (!), but in the back of this month's Keyboard mag there's one being This is typical jeff -- How to get 5 Canadians out of a swimming pool? Say,"Could you PLEASE get out of the pool" | Jeffrey Needham | Yet Another Oracle Performance Group | Control Data - Santa Clara, CA - INTERNET jeff@hawk.svl.cdc.com From ucivax!orion.oac.uci.edu!usc!zaphod.mps.ohio-state.edu!wupost!uunet!timbuk.cray.com!shamash!hawk.svl.cdc.com!jeff Fri Oct 11 16:55:20 PDT 1991 Article: 22848 of rec.music.synth Path: ucivax!orion.oac.uci.edu!usc!zaphod.mps.ohio-state.edu!wupost!uunet!timbuk.cray.com!shamash!hawk.svl.cdc.com!jeff From: jeff@hawk.svl.cdc.com (Jeff Needham) Newsgroups: rec.music.synth Subject: Re: Pro-One Questions (was Re: Prophet 600?) Message-ID: <37153@shamash.cdc.com> Date: 11 Oct 91 22:28:07 GMT References: <9110101255.aa29111@Bonnie.ics.uci.edu> <37150@shamash.cdc.com> <28F607F0.5618@ics.uci.edu> Sender: usenet@shamash.cdc.com Reply-To: jeff@hawk.svl.cdc.COM Organization: CDC/Santa Clara Lines: 14 |> Oh, Rossi told me it used SSM. Hmmmm. Brett Maraldo now owns my Pro-One and my service manual but just about absoute on this one. jeff -- How to get 5 Canadians out of a swimming pool? Say,"Could you PLEASE get out of the pool" | Jeffrey Needham | Yet Another Oracle Performance Group | Control Data - Santa Clara, CA - INTERNET jeff@hawk.svl.cdc.com From ucivax!orion.oac.uci.edu!usc!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!ucbvax!EAGLE.AAMRL.WPAFB.AF.MIL!JROSSI Wed Oct 16 17:28:44 PDT 1991 Article: 22976 of rec.music.synth Path: ucivax!orion.oac.uci.edu!usc!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!ucbvax!EAGLE.AAMRL.WPAFB.AF.MIL!JROSSI From: JROSSI@EAGLE.AAMRL.WPAFB.AF.MIL Newsgroups: rec.music.synth Subject: Re: Pro-1 Message-ID: <9110161318.AA03254@ucbvax.Berkeley.EDU> Date: 16 Oct 91 13:17:00 GMT Sender: daemon@ucbvax.BERKELEY.EDU Lines: 8 Sorry about that. I was sure I remember SSM chips inside the Pro-1. To be honest, however, I never noticed what was there when I opened the one I bought last year for cleaning. Circa 1982, seemed like a good SSM prospect (con- sidering design lag, etc). Could very well be Curtis chips. Sorry to have sounded dogmatic on that issue. John 3