"The Siel DK-80 is a bi-timbric, polyphonic synthesizer with voice assigment containing 12 complete and individual synth modules (termed voices or channels). It is fully programmable and able to store up to 50 programs in its computer memory and groups of 50/100 programs in the RAM/ROM packs.(additional mem.), which can be inserted into the special Cartridge location. The instrument is provided with 12 oscillators (DCO), 1 pink noise generator, two 24db/octave low pass Voltage Controlled filters (VCF), 14 digital envelope generators(DEG) and 4 low frequency oscillators (LFO), providing a parallel modulation of parameters such as pitches and filters. All this is controlled by specific controls on the EDIT section and memorized in the heart of the DK-80; the Programming Unit. The Programming unit also controls the 50 factory programs (40 not programmable and 10 programmable) and the 50 or 100 external programs: 50 (programmable) on a RAM pack, or 100 (not programmable) on ROM pack. Thus the DK-80 can control up to 150 musical programs simultaneously; 50 internal ones plus 50 (on RAM) or (ROM) external ones which are recalled directly by the Programming Unit."
Tuesday, August 09, 2011
Siel DK 80 12- Voice Synth w/ RAM Pack
"The Siel DK-80 is a bi-timbric, polyphonic synthesizer with voice assigment containing 12 complete and individual synth modules (termed voices or channels). It is fully programmable and able to store up to 50 programs in its computer memory and groups of 50/100 programs in the RAM/ROM packs.(additional mem.), which can be inserted into the special Cartridge location. The instrument is provided with 12 oscillators (DCO), 1 pink noise generator, two 24db/octave low pass Voltage Controlled filters (VCF), 14 digital envelope generators(DEG) and 4 low frequency oscillators (LFO), providing a parallel modulation of parameters such as pitches and filters. All this is controlled by specific controls on the EDIT section and memorized in the heart of the DK-80; the Programming Unit. The Programming unit also controls the 50 factory programs (40 not programmable and 10 programmable) and the 50 or 100 external programs: 50 (programmable) on a RAM pack, or 100 (not programmable) on ROM pack. Thus the DK-80 can control up to 150 musical programs simultaneously; 50 internal ones plus 50 (on RAM) or (ROM) external ones which are recalled directly by the Programming Unit."
crumar spirit synthesiser
Note: links to listings are affiliate links for which the site may be compensated.

via this auction
"Nice condition for its age, amazing routing possibilities, two filters and two lfos. Probably one of the most flexible and powerful analog monosynths ever made. Only about 200 made, so quite rare.
Nice review here:
http://www.gordonreid.co.uk/vintage/spirit.html"
via this auction
"Nice condition for its age, amazing routing possibilities, two filters and two lfos. Probably one of the most flexible and powerful analog monosynths ever made. Only about 200 made, so quite rare.
Nice review here:
http://www.gordonreid.co.uk/vintage/spirit.html"
Buchla Model 140 Timing Pulse Generator
via this auction
"Buchla Model 140 Timing Pulse Generator... This is the older SFTMC one. Works exactly as it should , but because of its age it is being sold as is. Can be used with newer Buchla modules if needed. Outputs 15 volt pulses..."
Multivox Basky II MX150
via this auction
"* Model Number MX-150A
* Serial Number 070386
* Japanese made – estimate mid- 1970's
* Dimensions are 24’ x 17’ x 5 ½’
* 13 foot pedals
* Dials/effects include:
· low and high octave channels
· hold, sustain and expand effects
· attack, percussion & mute"
Update via transanalog in the comments: "In case you ever wanted to see inside of one of these: http://www.flickr.com/photos/transanalog/sets/72157607133187209/"
Gibson Clavioline France Selmer ondioline synthesizer
via this auction
"1950's Made in France Clavioline. I suspect this was a Gibson model since the 6 pin plug on it matches the Gibson schematic. These were made under license by many companies in many countries. Probably most famous for that 'Telstar' lead sound, also used on the Beatles 'Baby you're a rich man' (that weird Indian sounding oboe sound) and in modified form on 'Runaway'. I don't know that anyone is using one of these today in music outside of tribute/cover bands. Who knows, one of these may end up on an upcoming Daft Punk or Air record.
Physical condition: paint has lots of little scratches and dings as can be seen in the pictures but nothing is broken, all keys are in good shape -no cracks -just some scratches that will polish out, all toggles are in good shape and toggle, volume lever is present and its guts look clean, tuning knobs on either side are present and turn easily and all the hardware holding it together looks like the original hand made French Cad or Nick plated stuff. All in all a nice unit to restore or just clean up and use.
Functional condition: All the cloth bound wiring looks to be original without any cut wires. All capacitors are the original 'Tiny Chief' items and will likely require replacement. All tubes are in good shape -though untested. All the keys feel like they're doing what their supposed to. As far as using this, these were designed to be mated to an amplifier that provided power. I don't have the amp. I was going to build a break-out box that powered the unit, conditioned the signal coming out, had a regular volume pot and a 1/4" instrument jack. Not a big job for a competent DIY tube electronics type. Box will be 26" x 18" x 8" and weight about 18 pounds."
Pics of the inside at the auction and below.
1974 Learning Music with Synthesizers
David Fiend
Alan R Pearlman
Thomas D Peggott
"Very scarce title! Published the same year electro-industrial pioneers Kraftwerk released their breakthrough album "Autobahn," here's a wonderful, rare tutorial on creating electronic music with analog synthesizers, focusing specifically on the ARP Odyssey, their scaled-down version of the ARP 2600 console. Apart from a little cover wear, the book is in very good condition. 213 pages. First edition, copyright 1974."
Remember to check out the Synth Books section for more synth books.
Oberheim OB-SX
Oberheim OB-SX Part 1
YouTube Uploaded by PeteMOBie1 on Dec 7, 2010
"Introduction to the OB-SX, a very underated synth that is a hybrid between the OB-X and OB-Xa. The OB-SX shares the voice architecture of the OB-X, but uses the discreet CEM chips later found on the OB-Xa. The OB-SX first appeared in 1980 as a preset/variable version of the OB-X.
A short demo demo of the brass sounds from A1, B1 and C1, using the variable controls. If the sounds in your OB-SX are different to mine, you could have a rare machine, as OB-X users could send in a tape of their favourite sounds to be burned into the OB-SX EPROMs. Also mine will have slightly different tunnings and voice calibrations to yours.
More vids will follow, so I hope this gives you an idea of the sounds and capabilities of this great "little" synth.
This was recorded using the inbuilt mics on the video camera, so please don't expect pristine 24 bit audio ... not yet anyway. Also this is unscripted.
Note that the key clattering is normal on machines of this vintage, mine is from1982.
Cheers
Pete
Lo Mount Sound - TASMANIA"
Oberheim OB-SX Part 2
Uploaded by PeteMOBie1 on Dec 7, 2010
"Part 2 of Pete's expo on the OB-SX.
Using only the A1 Brass Ensemble program as a starting point and the 7 variable controls on the front panel, a variety of sounds can be coaxed out of the OB-SX with considerable ease. The OB-SX might be your best bet it you cannot get your hands on an OB-Xa or OB-X."

via this auction
Note this one has the older grey style similar to the OB-X. The OB-SX is a massive sounding synth, possibly more-so than the OB-Xa, but it does have limited controls and is more of a preset OB-X. The voice boards between the SX and Xa are different. Not sure about the X. If anyone knows feel free to comment.
inside an OB-SX.
YouTube Uploaded by PeteMOBie1 on Dec 7, 2010
"Introduction to the OB-SX, a very underated synth that is a hybrid between the OB-X and OB-Xa. The OB-SX shares the voice architecture of the OB-X, but uses the discreet CEM chips later found on the OB-Xa. The OB-SX first appeared in 1980 as a preset/variable version of the OB-X.
A short demo demo of the brass sounds from A1, B1 and C1, using the variable controls. If the sounds in your OB-SX are different to mine, you could have a rare machine, as OB-X users could send in a tape of their favourite sounds to be burned into the OB-SX EPROMs. Also mine will have slightly different tunnings and voice calibrations to yours.
More vids will follow, so I hope this gives you an idea of the sounds and capabilities of this great "little" synth.
This was recorded using the inbuilt mics on the video camera, so please don't expect pristine 24 bit audio ... not yet anyway. Also this is unscripted.
Note that the key clattering is normal on machines of this vintage, mine is from1982.
Cheers
Pete
Lo Mount Sound - TASMANIA"
Oberheim OB-SX Part 2
Uploaded by PeteMOBie1 on Dec 7, 2010
"Part 2 of Pete's expo on the OB-SX.
Using only the A1 Brass Ensemble program as a starting point and the 7 variable controls on the front panel, a variety of sounds can be coaxed out of the OB-SX with considerable ease. The OB-SX might be your best bet it you cannot get your hands on an OB-Xa or OB-X."
via this auction
Note this one has the older grey style similar to the OB-X. The OB-SX is a massive sounding synth, possibly more-so than the OB-Xa, but it does have limited controls and is more of a preset OB-X. The voice boards between the SX and Xa are different. Not sure about the X. If anyone knows feel free to comment.
inside an OB-SX.
Fuzzhugger FX AB Synths
Green Crackle
Purple Dots
Jungle Green
Texture controls that take you from smooth and searing to splattery!
From there, add a mind-altering second mode with wild oscillation, whale calls, blips,
self-arpeggiation, more synth tones, and fat octave down! The AB-SYNTH.
The Controls!
• Fuzz: This control takes you from high-gain to higher, while increasing focus and sizzle!
Harmonic, open fuzz, to overfuzzed, over-layered, liquid, sizzling synth!
• Texture: Lets you control the texture of the fuzz. Hard left is a blistering, sizzling surge,
and hard right is splattery. Lots of tones and responses to dial in. (slight scratch as circuit
rebiases).
• Level: Your master volume control...with a huge amount of available volume!
• 2nd Footswitch: Oscillation mode on/off (operates independently from on/off footswitch).
• Trip: In Oscillation mode, this knob is your main oscillation control.
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MATRIXSYNTH - EVERYTHING SYNTH
© 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

























