Friday, April 20, 2007
Roland SH-101
Specifications:
* Type: Synth/ keyboard/
* Synthesis Type: Analog subtractive
* Polyphony:
o Max: 1
o Typical in use: 1
* Multi-timbral (number of parts): 1
* Oscillators per Voice :
o Min : 1
o Max : 3
* Controllers : GATE OUT/In and CV out/IN
* Drum Section :
o Number of Drum Kits : 0
o Number of Drum sounds : 0
* Keyboard :
o Number of Keys : 3 octaves
o Can send on simultaneous MIDI channels
* Memory :
o Patches : 0
o Performances : 0
* Inputs and Outputs :
o Number of Audio Outs (excluding Phones) : 1
o Number of Audio Ins : 2
o Number of MIDI Outs (excluding Thru) :
o Number of MIDI Ins :
* Upgrade Options : This is one of the most easily modifiable analog synths. Analogue Solutions sells kits for making it MIDI, giving you INPUTS to the filter or making it COMPLETELY MODULAR(everything can be crosspatched with other CV-gear).
Thursday, April 19, 2007
Celebration of Max Mathews and 50 Years of Computer Music
Update: check the comments for one more date on April 30 in San Francisco.
"Date: Wed, Apr 18 2007 1:46pm
From: "Computer History Museum"
CCRMA and CHM Present
A Celebration of Max Mathews and 50 Years of Computer Music
Fifty years ago, in 1957, at Bell Telephone Laboratories, Max Mathews demonstrated that the digital computer can be used as a fantastic new musical instrument. He created a revolutionary software platform destined to form the basis of all contemporary digital musical systems.
His audacious ideas were driven by the belief that any sound that the human ear can hear can be produced by a computer. Mathews' mastery of this new instrument revealed new musical horizons and sparked a burgeoning curiosity into the very nature of sound. His comprehension and elaboration made five decades of art and research ossible, laying the groundwork for generations of electronic musicians to synthesize, record, and play music. Today at Stanford's Center for Computer Research in Music and Acoustics (CCRMA) as a Professor Emeritus he continues not only to educate students and colleagues, but also to guide and inspire with his constant inventiveness and pure musical pleasure.
Join us in honoring Max for an afternoon of sound, celebration and discovery of his ideas,works, music, and writings.
WHEN
SUNDAY, April 29, 2007
4 p.m. Pre-concert talk
Jon Appleton, John Chowning, Evelyne Gayou, Max Mathews, Jean-Claude Risset
5 p.m. ìInfluences: A Tribute Concertî
Jon Appleton, Gerald Bennett, Chris Chafe, Evelyne Gayou, Max Mathews,
Dexter Morrill, Jean-Claude Risset
6:00 p.m. Reception
WHERE
Computer History Museum
Hahn Auditorium
1401 N. Shoreline Blvd.
Mountain View, CA 94043
www.computerhistory.org/about/directions/
REGISTRATION
Free.
To register or for more information on the event, please visit the Museum's
Website at http://www.computerhistory.org/max_guest_04292007 or Call (650) 810-1005."
via loscha.
The KORG MS-911

"This is a Korg X-911 that I have re-built to a modular synth. The original X-911 Guitar Synth actually contains much more than is obvious on the front pane"
Title link takes you to more detail.
Prophet5.org - New Prophet 5 Forum
EMS Synthi AKS

Update: Apparently this is the same one as my previous post. Doh! This is a good shot, so I'll just leave it up... : ) BTW, I've been up since 1:00 AM PST and it is now 8:23 PM PST. I had a 7:00 AM eastern flight from Hartford Connecticut back to Seattle. I got up at 4:00 AM EST which is 1:00 AM PST, so that's my excuse...
The Synthi Micro

Title link takes you to the specs. Via Perry. Update: mp3s are now at the bottom of the page. You have to use the inside scroll bar to scroll down. There are also some really nice images.
Solar photosynth
YouTube via jonjb2a.
"Synthstick circuit with resistor replacing potentiometer. Circuit powered by three solar cells. Instrument has no moving parts; "played" in manner similar to that of theremin or tannerin, regardless of vast differences between it and the other instruments."
Solar powered?
via sendling
waldorf-synth

The Waldorf Wave to be exact.
Update via Till "Qwave" Kopper in the comments:
"... and it is my WAVE +16 (= 32 voice) shown here. A snapshot by someone taken during my last year's Planetarium concert of "EL-KA" (http://el-ka.synthmusic.info german only) in Bochum/Germany.
If you look to the yellow Waldorf Q in the back, you will notice the joy-stick someone added to my instrument.
Here is one from the other direction:
http://el-ka.synthmusic.info/el-ka_bochum_2006.jpg
You will see the other half of EL-KA there: HaJo Liese.
The CD recording is available at www.syngate.net and other EM music shops. And we will play at the Univercity of Eindhoven/The Netherlands next week's Saturday at the E-Day (http://e-day.groove.nl)
And by the way: I run the unofficial Waldorf WAVE pages located here:
http://unofficial.waldorf-wave.de (german and english)
keep on turning these knobs
Till "Qwave" Kopper"
KORG Poly61 Scans
Synton Syrinx

Click here for shots pulled via this auction. Interestingly this is the second one up for auction this month. They are extremely rare. Via the previous auction:
"There are 300 Syrinxes on this planet. 3 of them are white, 20 of them are blue, 20 of them are red and the rest is black. 2 BPFs and a LPF all with cut/peak control at the same time. also strange bending sensor and modulator. HARDWARE: 2 CEM3310 EG 2 CEM3340 VCO 2 CEM3350 Dual VCF 1 CEM3360 Dual VCA."
This one sent my way via the seller.
atlatl - MOTM noise
Starkey Hearing Laboratory Analog Modular Synthesizer
Details:
Below are some long recordings of the HSL-II into a Deltalab Effectron Jr. digital delay. I ran this into a decent DJ mixer and into apple's Garageband. I clipped up the audio to make it a little shorter and give you an idea of a portion of the range that you can achieve with the HSL-II.
HSL-II sample one
Sound plays at beginning and towards the end - dead air in the middle
HSL-II sample two - plays fine
I spoke with a synthe technologiste who thought that there would likely be a way to add c/v control to the sound source circuits...I have included a close up of a single sine sound source...it is the one circuit photo that has had the color altered and sharpened to give someone some idea what they are dealing with if they are so inclined to pursue the c/v route. Alas, there are no schematics and I have searched high and low on the internets.
The cabinet is absolutely VCS3-esque. There are a few areas of flaky veneer about the edges, as can be seen in the photos.
Also...you can run audio through the filters and even do some sort of weird sonic destruction by patching the fuzz output into the same input as the audio source. There are many many routing capabilities. These machines have provided me with plenty of inspiration. I will be moving soon, so please look out for all sorts of audio related stuff."
MP3s backed up here.
The one via Must! who is the seller.
Sound Lab Modifications by Pehr

SoundLab mod by Pehr.
1. Fine tuners for the oscillators.
2. Frequency modulation amount.
3. FM on/off.
4. FM AC/DC.
5. Connects the incoming CV to OSC1 to the CV in of OSC2 (so I can play with my MCV4 that only has one note CV output).
6. Aaron Crams' ring modulator (without buffer amps), made from only the extra OTA and a few other components.
7. Attenuations towards ground or -9V for the EG, LFO and FM outputs.
8. LFO COF-range HI/LO, sets the value of R31 to 100k (HI) or 200k (LO, original).
9. COF-CV input for modulation wheel CV from my MCV4. Do not use the 9V zener mod on this one or you'll not be able to turn the COF low enough anymore.
10. Extra CV inputs with the 9V zener protection mod. The other CV-inputs and the gate inputs also has the protection mod. And of course I use the 1V/Oct mod.
11. Audio input to filter.
via electro-music.com. via sendling.
Wednesday, April 18, 2007
Buchla B-Sides via Chris Muir
MOOG Station
via Voltage Controlled
"Just picked up a Frostwave Resonator - what an awesome filter. It really gives the Voyager a unique sound. Basically I have things connected (most of the time) as follows: Voyager right out loops back into its mix-in for distortion effect. Voyager left out to ZVex Fuzz Factory to MF-102 Ring Mod to Frostwave Resonator to Deluxe Memory Man to mixer. It's all in mono but even so there is something really special about the sound this setup produces. I also have a Moog pedal plugged into the Voyager filter input. I tend to use the LFO on the MF-102 to manipulate the LPF frequency on the Resonator which gives it some nice movement - this is attenuated via the VX-351 for more control. I optionally use the same LFO or the one from the Voyager (via the VX-351) to control the HPF frequency on the Resonator - also attenuated. The Resonator also allows you to control (via CV) the LPF and HPF resonance which makes it a great addition to any analog setup. So anyway...there it is...note the empty space to the left of the Memory Man...hmmm... :-)"
Update: "MP3
The bass sound is the frostwave HPF frequency being modulated by the LFO on the MF-102 with the Resonance set just right.
The "distorted nuclear alarm" sound is the Voyager (Um...either Funk It or Chick's ROM Warrior...I forget...slightly tweaked) running through the Frostwave at the same time as the bass sound is being generated.
Drums are a loop from Ableton Live. Rhodes is the Nord Electro 2. Whole thing run through a quick and dirty Izotope Ozone preset."
Akai AX80
Click here for shots via this auction. "This is a vintage AKAI AX80 programmable polyphonic (analog) synthesizer, the first keyboard manufactured by AKAI (1984-87). It has a 5-octave, 61 note velocity- sensitive keyboard; 8 voice with 2 DCO per voice, 96 memory locations (32 pre-set, 64 user-writable). Other features include pitch bend, modulation, hold and chord memory."
Check out the OSC graph. Click the image for a bigger shot.
Modular synth PCBs

"Oakley PSU and Dizzy, a couple of Ray Wilson VCOs, a VC-LFO, a ADSR, the Dual-VCA, and Marc Bareille's Polivoks filter clone."
Cirocco Modular Synthesizers

The Ultimate Keytar
Who needs a Syntar when you can have this! Click here for more shots via this auction.
Details:
"This is a vintage 80's toy called Hit Guitar. The neck piece straps to your hand allowing you to play a twelve note scale! The guitar part straps to your belt. This strange devise is hard to find and should be circuit bent with a pitch pot so you can tune it fat and low! However it does have a tone knob on it which is actually a tune knob. You can bend the pitch up or down and when you let go of it the note you're playing will snap back to it's original pitch. This has an analog chip in it and will make an excellent stage instrument if it falls in the right hands...I'm only selling this cause I'm swimming in heaps of gear I've collected and something must go! It works well (I played a few farewell solos today) but the battery cover is missing. Snap this gem to bend up if you like it!"
BTW, if you know anything about the "analog chip" feel free to comment. I'm guessing it's not actually analog, but who knows...
Inside an Oberheim OB-Mx
Title link takes you to shots of the inside via this auction.
Roland System 100m
-121 2 VCF’S (SERIAL No 941053)
-130 2 VCA’S (SERIAL No 790378)
-140 ENV AND LFO (SERIAL No 364316)
-150 LFO. (SERIAL No 102075)
-181 MODULAR KEYBOARD
AY-3-8910A Synth Sound Efx Chip
"This is a AY-3-8910A Synth Sound Efx Chip used in a LOT of old school coin-op video games. It is NOS (New-Old Stock), and comes with all documentation and Datasheets. It is a pretty wild chip - 3 oscillators, 1 noise generator, envelope controls, and 3 mixers, all under CPU control. (it is a register-based chip)."
via this auction and this auction.
PAiA 4700 Modular
via this auction
THIS SYSTEM INCLUDES:
2 piece folding Paia cabinet
4720 oscillator
4720 oscillator
4720 oscillator
4710 balanced modulator
4710 balanced modulator
4711 mixer 4/2
4730 vcf (multimode filter)
4730 vcf (multimode filter)
4740 envelope generator
4712 reverb
4750 control oscillator noise
envelope follower
8780 equally tempered d/a converter
8781 quash
4771 regulated power
4761 wing
4761 wing
Ensoniq Voice-80
Details:
"Rare ENSONIQ ESQ VOICE-80 Vol. 5 Cartridge. Plug this cartridge into an ENSONIQ ESQ-1 Synthesizer/ Workstation.
80 varied sounds in 8 banks. Pianos, basses, percussion, vox, layered, etc.
A1: DGPNO2, BRCSYN, DG-BR1, KEBASS, TWOBEL, PSYNTO, PLKVOX, SLOBEL, SQRSWP, BEN
A2: DGWHO?, SQREEJ, BRAUN, BASTE 2, HIPLSE, BRTSTR, MUSVOX, TUBES, STARK, METLSD
A3: CLAV 2, DRORG2, LOG S1, SEQ 3, CWBEL2, STRBEL, LOWAHH, STARS3, PLUCK, SPLSH1
A4: ALPHA1, SYNPNO, RESPRO, PAPRBS, TMBALE, JSTRING, SENTRY, DG, WIZZLE, CARDBD,
B1: PARIS1, FUNK, RLBRSS, P BASS, BARREL, GEGEE, SING, VOXBEL, AMBO, FALOUT
B2: HRPS14, HARMN, BLUE, METB52, PERCUS, HELIO2, FLUTE4, VOXHAL, PRMPNO, BNG 1
B3: GRIST2, BENDVX, MONOLG, FGRBAS, GISNR2, TODD’S, TRFLT1, QUEST, GEGEE2, SPLUCK
B4: DGLADY, TWEAK, MINIM3, PBASS2, GTDSNS, STRK 2, DIGBSN, RIPPLE, TOQ, PULSAR"
Tuesday, April 17, 2007
Custom White JX-3P
A couple of shots via Custom Synth UK. Note the usually external PG-200 control box is built in.
Update via custom synth in the comments:
"Hi this mod can also be supplied in a kit form if interested in doing the mods yourself , it also has the midi upgrade jeff : ) www.customsynth.co.uk
p.s. you can also have an output for the controller if you wish"
Roland SH-3
Details:
"Roland infringed on Moog's filter design and was forced to cease production of this model very early resulting in very few being made. They then released the much more common SH 3 A with a different filter design.Consequently the SH 3 has become a very collectable and rare synth."
Via Johan
Vectrex Melody Master
Polivoks Demo
Title link takes you to an MP3 of the Polivoks sent my way via Mr. Array.
"I noticed that some of the comments on the recent Polivoks post were asking for more sound examples. A few years back, I downloaded this Polivoks demo MP3 from the Moog Music forums. I forgot who made this, but I'm sure you'll enjoy it. It's quite catchy!"
Thanks Mr. Array! If anyone knows where this demo is from, feel free to comment.
"I noticed that some of the comments on the recent Polivoks post were asking for more sound examples. A few years back, I downloaded this Polivoks demo MP3 from the Moog Music forums. I forgot who made this, but I'm sure you'll enjoy it. It's quite catchy!"
Thanks Mr. Array! If anyone knows where this demo is from, feel free to comment.
Morton Subotnick's Until Spring Revisited
Part One
Part Two
YouTube via loopcycle. Sent my way via Peter Grenader.
Until Spring Revisited
San Francisco, CA
April 6th, 2007
Recombinant Media Labs
Performers: Morton Subotnick, Miguel Frasconi,
Part Two
YouTube via loopcycle. Sent my way via Peter Grenader.
Until Spring Revisited
San Francisco, CA
April 6th, 2007
Recombinant Media Labs
Performers: Morton Subotnick, Miguel Frasconi,
Analogue Sound Synthesizers

Title link takes you to Analogue Sound Synthesizers, home to a number of synth oddities including the Practical Electronics Sound Synthesizer pictured and the Dewtron.
"This is G.D.Shaw's prototype Practical Electronics Sound Synthesizer, as pictured in the Feb 1973 Practical Electronics (PE) Magazine."
While there also be sure to check out the Minisonic2, previously posted here.
Via Rick
"Some great old synth ics, including the mighty Dewtron which I had never heard of. Typical British design with a patch panel (though it seems to be a dual-pin patch panel rather than the simple ones used by EMS and ETI)."
Los Angeles Sonic Odyssey Featuring Barry Schrader's Lost Atlantis

Lost Atlantis was originally composed with the Buchla Electric Music Box, the Buchla 200. I've listened to it and it is an amazing sonic journey into electro-acoustical sonic landscapes. It is available off of Barry Schrader's Website and I have a permanent link on the right side of this site under the Synth CDs section. You can find reviews for the album at the bottom of Barry's site.
What's not clear regarding the event above is how this will be presented. Will it be an orchestra, a playing of the original recordings or the actual Buchla 200. I can't imagine trying to recreate this live on an original Buchla. If anyone knows, please comment.
Yamaha ED10 Analog Drum Pad

Previous Sealed posts
Soviet Analog Synthesizer - The Polivoks
YouTube via williamenroh, via this VSE Thread. MP3 of the intro song here. Sent my way via Mr. Array.
Monday, April 16, 2007
Analog Solutions Oberkorn Silver Edition
Details:
"This is a Mk1 Oberkorn that includes the midi trigger converter, current models omit this feature to save cost. I made a custom front panel in silver to replace the rather grim black panel it came with as standard, and replaced all of the led's with nice icy blue ones, and fitted double led's at positions 1, 5, 9, and 13. I also fitted led's to show the state of gates a,b,c,x and y at each step. These enhancements make what is already a great sequencer into something even better and truly unique."
The Oberkorn is an excellent, feature-laden sequencer that offers way more than anything else in its price range. However, I'd recommend using it with a voltage quantizer (I've been using a Doepfer quantizer) if you're going to be using it to control pitch as there is a little bit of interaction between the rows. There is an excellent review of this sequencer at link."
via John.
Vox Gong - Buchla 200e Demo
Semifluid Graphical LCD Oscilloscope

Title link takes you there.
Analog returns to TapeOpCon
Via Peter Grenader:
"Electro-Acoustic Research has been invited to return to Tape Op Magazine's annual TapeOpCon convention at the Hilton El Conquistador Resort in Tucson from June 8 to June 10. Plan B Products will again be on display and awaiting your enquiring tweaks. And due to it's popularity in 2006, another Analog Synthesis symposium is scheduled, this year with Alessandro Cortini of Nine Inch Nails, Dave Wright of Not Breathing and EAR's Peter Grenader. Equipment will include the EAR Performance System, Dave Wright's monster modular, a Buchla 200e and a huge array of Plan B products. The panel discussion will be held at the El Conquistador Resort on Sunday from 10 to 12 which will include live demo's, a performance, an open discussion on the renaissance of analog synthesis and plenty of audience hands-on ops. Make sure to arrive early as seats filled up quickly in 2006.
For more info on TapeOpCon, go here"
"Electro-Acoustic Research has been invited to return to Tape Op Magazine's annual TapeOpCon convention at the Hilton El Conquistador Resort in Tucson from June 8 to June 10. Plan B Products will again be on display and awaiting your enquiring tweaks. And due to it's popularity in 2006, another Analog Synthesis symposium is scheduled, this year with Alessandro Cortini of Nine Inch Nails, Dave Wright of Not Breathing and EAR's Peter Grenader. Equipment will include the EAR Performance System, Dave Wright's monster modular, a Buchla 200e and a huge array of Plan B products. The panel discussion will be held at the El Conquistador Resort on Sunday from 10 to 12 which will include live demo's, a performance, an open discussion on the renaissance of analog synthesis and plenty of audience hands-on ops. Make sure to arrive early as seats filled up quickly in 2006.
For more info on TapeOpCon, go here"
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© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH