Re: [oldsynths] Octave Cat SRM allignment/calibration proceedure?
2003-11-03 by Bob Weigel
Oh Fiddlesticks (there s one we haven t heard for a while!) :-). I grabbed the wrong pack of resistors and wound up making a 2.42K 1% in my effort to make 2K.
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Octave Cat SRM allignment/calibration proceedure?
2003-11-03 by Bob Weigel
Well, I got the thing fixed. The bloomin 2K resistor went open that s in the temp compensate position over the CA3046 transistor array...and made an op amp
RE: [oldsynths] Re: ARP Pro Soloist problems, part 2
2003-11-01 by masada wilmot
I would be pretty sure that the regulator would be the standard 723 adjustable type. ARP used this on a lot of their synths and used the same circuit
btw, want to get this Octave "The Cat" SRM going ...
2003-11-01 by Bob Weigel
I can t recall if I mentioned in this group I have one that oscillator one behaves strangely. Osc 2 seems to work but isn t exactly in pitch from octave to
Re: [oldsynths] Re: ARP Pro Soloist problems, part 2
2003-11-01 by Bob Weigel
Hmm. Not likely. It s probably the regulator. The trim pot could have some effect in certain types of circuits even though the regulator is blown. If you
Re: ARP Pro Soloist problems, part 2
2003-11-01 by dshoemaker93
Hi, Thanks for the tips, Bob. Concerning the regulator--which I m assuming I need to replace--I ve been trying to find a modern replacement--is there a easy
Re: [oldsynths] Re: ARP Pro Soloist problems, part 2
2003-11-01 by Bob Weigel
74xx series chips. These are old ttl digital. i have all of them instock here pretty much. Their outputs of course won t be analog voltages...save ones that
Re: ARP Pro Soloist problems, part 2
2003-11-01 by dshoemaker93
Hi Bob, The chip was a 7493 or 7454, I forget which at the moment. In any case, I ve rechecked all the soldering on the new chips, and replaced the chips I
Re: [oldsynths] Re: ARP Pro Soloist problems, part 2
2003-11-01 by Bob Weigel
Hmm. Well if you have my luck ..then yes another chip working for many years with no problem decided to play out at that very moment :-) What kind of chip
Re: ARP Pro Soloist problems, part 2
2003-10-31 by dshoemaker93
Hi Bob, Rail voltages are normal. Old 301 s were soldered in--the ones I ve replaced (not with 301 s but with LF351s) were put into sockets (good machined
Re: [oldsynths] ARP Pro Soloist problems, part 2
2003-10-31 by Ed Edelenbos
Or a broken pad (if soldering)... or intermittent solder short... Or a broken wire, or if socketted chips, a bent lead (it happens, believe me) which was
Re: [oldsynths] ARP Pro Soloist problems, part 2
2003-10-30 by Bob Weigel
David, were you soldering these 301 s in or where they socketed? First question that comes to mind...did you get it inbackwards or wrong somehow of course...
ARP Pro Soloist problems, part 2
2003-10-30 by David Shoemaker
Hi everyone, Thanks for the help so far. I replaced several 301 s in the ARP, and everything started working perfectly except for one preset (Fuzz Guitar I)
FS: Stuff ready for a new home...
2003-10-29 by Ed Edelenbos
Sorry for the FS post... I m moving some stuff out to finance some new stuff coming in. Prices listed are suggested prices (I have no idea what they are
Re: [oldsynths] Re: ARP Pro Soloist tech question
2003-10-29 by Ed Edelenbos
Without seeing the circuit, I don t have much to offer... it could be that op amp (in s are right, out is wrong) or something connected to it, a cap,
Re: [oldsynths] Re: ARP Pro Soloist tech question
2003-10-29 by Bob Weigel
A quick tip...if you simply probe all outputs of op amps in the general area of a problem, you will often find one that has slid to rail voltage. Look at the
Re: ARP Pro Soloist tech question
2003-10-29 by dshoemaker93
Hi, Checking my schematics, I see that this is indeed a scanned keyboard. The key and octave codes are sent to the d/a converter, and then through a
Re: [oldsynths] Re: ARP Pro Soloist tech question
2003-10-29 by Ed Edelenbos
I don t have any Soloist info... not even a block diagram but if you are getting a low note and lower when the octave down button is on, then it souds like
Re: ARP Pro Soloist tech question
2003-10-29 by dshoemaker93
Hi Ed, Are you suggesting that the keyboard scanning chips might be the culprit? Sending no note/octave information? Or do you mean that no voltage *at all*
Re: [oldsynths] ARP Pro Soloist tech question
2003-10-29 by Ed Edelenbos
Sounds to me like the V into the osc. isn t making it... Ed
ARP Pro Soloist tech question
2003-10-29 by David Shoemaker
Hi everyone, I took delivery on my ARP Pro Soloist today. I knew it would need repairs when I bought it, and here s what I ve discovered so far. I would
FOR SALE: KORG WAVESTATION
2003-10-15 by Rory McDonald
Hi all: I ve decided to sell my KORG WaveStation (WS1). It is in nice shape but I bought it with some other stuff on a whim, and really dont have room for it
CV Pedal for Micromoog
2003-10-15 by sometimescold
Hello there, I have a question regarding a Moog CV Pedal I recently purchased from EBAY. I have a Micromoog and I am curious what is the proper way to route
Yamaha GX-1 parts
2003-10-11 by Bill Sautter
Please reply if you have any information concerning: 1) anyone with GX-1 parts, accessories, etc. 2) contact info. for qualified service/repair technicians 3)
Re: [[oldsynths] Re: Korg Wavestation]
2003-10-08 by Bob Weigel
Doesn t sound normal to me. Try moving the mod wheel back though :-) I seem to recall a few that have reverb mod wheel routings. Reloading patches is
RE: [[oldsynths] Re: Korg Wavestation]
2003-10-06 by Rory McDonald
One thing I noticed trying out the Wavestation was that is seems that almost all the presets are bathed, and sometimes drenched in reverb. Is that the case
Re: [[oldsynths] Re: Korg Wavestation]
2003-10-06 by Robert
Those of us who use wavestation still argue that it s one of the most effective synths on the planet. Here s why 1) the sample library is ordered largely
Re: [oldsynths] Need mod/pitch wheels for Sequential Pro-One
2003-10-05 by Gur Milstein
Check this http://winecountrysequential.com/page6.html, they say they hold a large amount of spare parts for the Pro-One . Hope that help . bye bye Gur
Re: Korg Wavestation
2003-10-04 by tsomneevich
Hi Rory, Bill and all, I recently unloaded my Wavestation, but not because I didn t love it. (No room, got a Microwave XTK). I really liked the wave
Re: [oldsynths] Korg Wavestation
2003-10-02 by Bill Sautter
Just enjoy it and play/experiment to your heart s content! I have the Wavestation SR (rack version) and it can produce some very interesting & unique sounds
Korg Wavestation
2003-10-02 by ascii_me
Hi: I just acquired a Wavestation (keyboard WS1 version) and havent even checked it out yet. Any thoughts out there on this synth? What is it good at?
Need mod/pitch wheels for Sequential Pro-One
2003-10-02 by ascii_me
Does anyone have a source for Pro-One parts, or know where I can find a pitch and mod wheel for it? are both wheels the same part? I just got one and the
Re: DVD ripping
2003-09-27 by Scott Gibbons
... Most DVD audio is in AC3 format. There s another format too, which is M2A. I haven t made the OSX leap yet so can t help you there, but in OS9 there s
sound samples
2003-09-26 by Gur Milstein
Hi Oldsynths list . I upload 3 new sound samples made by Renée Schmitz using his analog modular system and ACS set up :
Re: [oldsynths] DVD ripping
2003-09-25 by KA4HJH
... A good source of info on all this is http://www.vcdhelp.com/ First off, DVD-audio ripping. As of this moment there is NO way to do this because the format
RE: [oldsynths] DVD ripping
2003-09-24 by Rory McDonald
Doesnt Toast 6 do this? www.roxio.com Rory McDonald OldSynths Moderator ... From: Bill Sautter [mailto:sautter@comcast.net] Sent: Wednesday, September 24, 2003
DVD ripping
2003-09-24 by Bill Sautter
I m still trying to find a Mac OS X application that can rip DVD video, audio (into .MP3 files, etc.), and do still-image screen-capture from DVD discs (into
Yamaha GX-1 parts/accessories
2003-09-24 by Bill Sautter
I d appreciate referrals to anyone who may have Yamaha GX-1 parts & accessories. Anyone have any contacts at Yamaha in Japan? I already have a message into
Hi from a new member.
2003-09-21 by Scott Gibbons
Check out the archives here and at Analogue Heaven for horror stories, there are plenty. Generally: FedEx is good, USPS is good, UPS will destroy your gear and
Re: Hi from a new member.
2003-09-21 by Doug
Hi Scott, Thanks for the reply. I have to agree 100% about UPS when it comes to destroying (or at least making a good attempt!)gear sent. Last December I had a
Hi from a new member.
2003-09-18 by Doug
Hi all, I m a new member and am glad to be here. I have a question: since alot of the vintage gear we buy tends to come from places such as eBay,does anyone
Emerson is still #1 on the Web
2003-09-13 by Bill Sautter
Here s some fun B.S... A friend & I wondered recently how various notable keyboardists stack-up in terms of Web hits. Not surprising given his legions of
Music for the 3rd Millennium Concerts
2003-09-13 by ampmusic
Electronic/Krautrock/Jazz/Minimalist/Spacemusic concerts in London ... The Music for the 3rd Millennium concert series resumes on Saturday September 27th.
Seling my Moog Prodigy
2003-09-05 by steven_noakes
If anyone is interested (who am I kidding, their sought after:), the ebay link for my Moog Prodigy is http://cgi.ebay.co.uk/ws/eBayISAPI.dll?
Paris - Rendez-Vous Electroniques 2003
2003-09-04 by I've got a LASER, Earthman!
MESI and Technopole present an exhibit/demo/performance of more than 50 electronic instruments (almost all analogue synths) in Paris. 130 years of electronic
Wanted: Moog 962 Seq. Sw. + top/upper cabinet
2003-09-04 by Bill Sautter
Please reply if you have a Moog 962 Sequential Switch and/or top/upper cabinet to sell or trade. Thanks, Bill Bill Sautter E-Mail: sautter@comcast.net
Guido scores in The Wall Street Journal!
2003-09-03 by Bill Sautter
Composer & synth aficionado Joe Guido Welsh is much too humble to toot his own horn (ha!), but he scored big today (3-Sep-03) with a PAGE 1, CENTER COLUMN
Re: control voltage question
2003-08-20 by Mike Walters
... Normally ... usually ... I can t remember... Looking now at the schematic, I originally intended just 2 outputs. I had a few issues once I had it built. I
Re: [oldsynths] Re: control voltage question
2003-08-20 by Oakley Sound
... Bipolar CVs are used in most modular systems. But it maybe that the module in question does not respond to negative (-ve) inputs. Most VCAs tend to work
Re: Moog Source Mod
2003-08-20 by Mike Walters
Great! I wasn t sure what interest it might have to anyone. I ll let you know! -Mike Walters www.mysterycircuits.com ... Heaven ... those ... switches ...