Note: links to listings are affiliate links for which the site may be compensated.
YouTube Published on Apr 23, 2012 by eecouk
freeform-delusion on eBay
"Homedics SoundSpa - Sound Machine
switched mono mini jack output
pitch up/down control
switchable feedback control
switchable bass overdrive control"
Monday, April 23, 2012
Alesis Andromeda A6 SN (21)A60500190
Note: links to listings are affiliate links for which the site may be compensated.

via this auction
"Includes: Printed Manual, Power Lead, CD with 5 Soundbanks (Rob Papen, Klaus Peter Rausch, Joerg Huettner, Brian Kehew, Pim Schilperoort)... All voices tune perfectly. Serial NÂș.: (21)A60500190, this is unit number 190, one of the very first ones (around 3000 units ever produced, so these synths are relatively rare). This means that this Andromeda was built in the USA (and not in Taiwan like the last ones produced after Alesis being bought by Numark)..."

via this auction
"Includes: Printed Manual, Power Lead, CD with 5 Soundbanks (Rob Papen, Klaus Peter Rausch, Joerg Huettner, Brian Kehew, Pim Schilperoort)... All voices tune perfectly. Serial NÂș.: (21)A60500190, this is unit number 190, one of the very first ones (around 3000 units ever produced, so these synths are relatively rare). This means that this Andromeda was built in the USA (and not in Taiwan like the last ones produced after Alesis being bought by Numark)..."
Oberheim OB-8 with MIDI and Silver Side Panels
Note: links to listings are affiliate links for which the site may be compensated.

via this auction
via the listing:
" Power Supply Rebuilt – Re-capped entire power supply with rare and awesome-sounding Samwha RD caps. Samwha caps, in general, are difficult to obtain here in the USA. However, many top notch OEM’s know how good they sound, which is why Marshall, Moog & Orange amps use them almost exclusively in their production. This alone, should speak volumes about their “tone”. However, as an OEM audio engineer, I have access to these wonderful caps and they are “sonic-sleepers” in my opinion. They sound awesome in quality analog synths too, of coarse, yielding big, fat, fluffy, smooth tone. Far superior to Illinois, Sprague and other brands. Try them for yourself, (if you can get them) and hear the difference!
Power Supply Rear-mount TO-3 regulators – were all replaced with custom gold electro-plated units. (Not available on open market, as these are custom plated parts).
Power Supply cable harness- rebuilt with thicker, high-quality copper strand wiring. This helps the power supply “breath” better due to reduced resistance.
Power Supply 723 regulator sockets- replaced; gold plated.
Power Supply 7815 (+15VDC)regulator – replaced; gold plated.
OB-8 Main processor board – Every IC, carefully removed, cleaned, tested and/or replaced as needed.
Power Supply trim pots - replaced with Bourns “plastic-conductive” type, The very best sounding trims available, since all pertinent power supplied to the OB-8’s specified pcb’s must pass through these pots. (Plastic conductive material has a superior “open” tone compared to carbon type pots).
OB-8 Voice Boards - were removed and cleaned. All CEM VCO & related chips were removed and cleaned and replaced with socket enhancement fluid. Both OB-8 voice boards also had all major capacitors replaced with Samwah RD caps.
OB-8 Panel Pot Boards - were removed and cleaned and all pots thoroughly cleaned, lubed and tested.
Special audiophile-grade solder -used on all replaced components for maximum sonic tone and transparency.
Midi Output Jacks -all replaced with Nuetrik/Rean brand.
Bend Lever Assembly -fully cleaned and lubed, All IC’s removed, cleaned, tested and/or replaced.
Keyboard assembly -was removed from chassis and disassembled. Rubber boot contact covers were removed and cleaned. Keypad contacts were all replaced with Sound Doctorin NASA type conductors. OB-8’s are notorious for key contact and misfire issues over time and this solution is the best yet.
Side-End Caps - were refinished/painted with special “stainless-steel” particle paint and then clear lacquered with many coats to achieve glass-like finish. Absolutely stunning and totally says; “I’m Special”!
Inner Chassis - was completely cleaned and new black colored end-cap fasteners were employed.
Fresh Data Dump - was re-loaded with Standard patches.
Midi & Arpeggiator Included! – This OB-8 has both midi and a fully functioning arpeggiator, which is not found on other Oberheim models such as Matrix 12, OBX-a etc.
Owners Manual & Technical/Schematics Manual - both included and bound & printed on high-quality gloss paper!
To top it off, the unit went through a full final check-up with Five Star Engineering in Mesa, AZ. (Dean there,is an ex-Oberheim employee/tech and extremely knowledgeable)! Unit is in full working condition."
via this auction
" Power Supply Rebuilt – Re-capped entire power supply with rare and awesome-sounding Samwha RD caps. Samwha caps, in general, are difficult to obtain here in the USA. However, many top notch OEM’s know how good they sound, which is why Marshall, Moog & Orange amps use them almost exclusively in their production. This alone, should speak volumes about their “tone”. However, as an OEM audio engineer, I have access to these wonderful caps and they are “sonic-sleepers” in my opinion. They sound awesome in quality analog synths too, of coarse, yielding big, fat, fluffy, smooth tone. Far superior to Illinois, Sprague and other brands. Try them for yourself, (if you can get them) and hear the difference!
Power Supply Rear-mount TO-3 regulators – were all replaced with custom gold electro-plated units. (Not available on open market, as these are custom plated parts).
Power Supply 723 regulator sockets- replaced; gold plated.
Power Supply 7815 (+15VDC)regulator – replaced; gold plated.
OB-8 Main processor board – Every IC, carefully removed, cleaned, tested and/or replaced as needed.
Power Supply trim pots - replaced with Bourns “plastic-conductive” type, The very best sounding trims available, since all pertinent power supplied to the OB-8’s specified pcb’s must pass through these pots. (Plastic conductive material has a superior “open” tone compared to carbon type pots).
OB-8 Panel Pot Boards - were removed and cleaned and all pots thoroughly cleaned, lubed and tested.
Special audiophile-grade solder -used on all replaced components for maximum sonic tone and transparency.
Midi Output Jacks -all replaced with Nuetrik/Rean brand.
Bend Lever Assembly -fully cleaned and lubed, All IC’s removed, cleaned, tested and/or replaced.
Keyboard assembly -was removed from chassis and disassembled. Rubber boot contact covers were removed and cleaned. Keypad contacts were all replaced with Sound Doctorin NASA type conductors. OB-8’s are notorious for key contact and misfire issues over time and this solution is the best yet.
Side-End Caps - were refinished/painted with special “stainless-steel” particle paint and then clear lacquered with many coats to achieve glass-like finish. Absolutely stunning and totally says; “I’m Special”!
Inner Chassis - was completely cleaned and new black colored end-cap fasteners were employed.
Fresh Data Dump - was re-loaded with Standard patches.
Midi & Arpeggiator Included! – This OB-8 has both midi and a fully functioning arpeggiator, which is not found on other Oberheim models such as Matrix 12, OBX-a etc.
Owners Manual & Technical/Schematics Manual - both included and bound & printed on high-quality gloss paper!
To top it off, the unit went through a full final check-up with Five Star Engineering in Mesa, AZ. (Dean there,is an ex-Oberheim employee/tech and extremely knowledgeable)! Unit is in full working condition."
Ramshackle synthesizer (GDAL Synth R1)
YouTube Published on Apr 23, 2012 by JingleJoe
"I am building an analogue synthesizer, it's so damn hard sometimes but it is finally working! :D"
Recue - Do Not Disturb
Recue - Do Not Disturb from recue on Vimeo.
"Do Not Disturb - Part 1
A live set built in a hotel room somewhere in Sweden based on messing around with random hip hop and pop-music vocals combining them with bits and pieces of unreleased Recue material. This performance video is the first part of the set. The complete 27:30 minutes of audio is freely downloadable on soundcloud.com/recue/do-not-disturb
More info on recue.net"
The iPad app is Liine's Lemur:
iPads on eBay
A bit more heavily crunched tape... from recue on Vimeo.
"Another take on the tape-head distortion introduced here:
vimeo.com/19805122
More info:
recue.net/?p=219"
Sui Sibi Se Se - Of Love and Robots
YouTube Published on Mar 5, 2012 by SuiSibi
"In the studio working on a cover of Kraftwerk's "The Robots," which will be featured on the forthcoming Of Love and Robots EP. This (almost) all modular EP features covers of classics by Kraftwerk, Gary Numan / Tubeway Army, Giorgio Moroder, and more.
Sui Sibi Se Se - Of Love and Robots EP. Music for your self."
via Brandon Byrd on The MATRIXSYNTH Lounge
Update: the iPad Sequencer is Genome.
LABELS/MORE:
Bleep Labs,
Elektron,
eurorack,
Featured,
Future Retro,
iOS,
MOOG,
Sherman,
Synth Dogs,
Video
Moog Voyager XL Sale Ends April 30th

via Moog Music
"The Minimoog Voyager XL promotional price of $4495 ends on April 30th. Don't miss your opportunity to save $500 on the mother of all Monosynths!"
Original Frostwave Resonator MS20 Filter Clone Prototype
Note: links to listings are affiliate links for which the site may be compensated.

via this auction
via the listing: "This is a rare prototype of the already rare Frostwave Resonator. When I first stumbled upon this I decided to contact Paul Perry, the man behind Frostwave, to try and get a little history on my new friend. He confirmed that this particular Resonator was indeed one of a kind. It was so early in production that he had not yet designed a housing for the Resonator, and just ended up using one of the original Funk.a.Duck housings. According to him, all internal wiring on this model is point to point, and with the purist in mind, this prototype is an exact copy of the MS20 filter section, part for part (this means no voltage control, sorry guys). This piece is fully functional, sold as is, with the orignal PSU, also kludged together by Paul Perry.
This is a very rare opportunity, and the closest thing to the MS20 sound without shelling out for an original MS. I've owned both this and the new Resonators, and this thing kills the newer ones. A lot can be said for point to point wiring, especially in high impedance circuit design."
This one in via brian comnes.
Update via Brian in the comments: "Note the linited I/O ports there's only two , the production versions had 4 CV inputs for cutoff and resonance for high and low filters"
via this auction
via the listing: "This is a rare prototype of the already rare Frostwave Resonator. When I first stumbled upon this I decided to contact Paul Perry, the man behind Frostwave, to try and get a little history on my new friend. He confirmed that this particular Resonator was indeed one of a kind. It was so early in production that he had not yet designed a housing for the Resonator, and just ended up using one of the original Funk.a.Duck housings. According to him, all internal wiring on this model is point to point, and with the purist in mind, this prototype is an exact copy of the MS20 filter section, part for part (this means no voltage control, sorry guys). This piece is fully functional, sold as is, with the orignal PSU, also kludged together by Paul Perry.
This one in via brian comnes.
Update via Brian in the comments: "Note the linited I/O ports there's only two , the production versions had 4 CV inputs for cutoff and resonance for high and low filters"
ULT Sound DS 2 Pro Muzer Drum Synthesizer
Note: links to listings are affiliate links for which the site may be compensated.

via this auction
"Up for sale is the ultra rare ULT Sound DS2 drum synthesizer. A very unique and interesting unit made in Japan around mid / end 70ies. It has two independent drum synth channels and sounds pretty good for it’s size. It can be triggered via gate or audio signals at the back of the unit. The drumpads in the case are not working anymore, they have been removed."



via this auction
"Up for sale is the ultra rare ULT Sound DS2 drum synthesizer. A very unique and interesting unit made in Japan around mid / end 70ies. It has two independent drum synth channels and sounds pretty good for it’s size. It can be triggered via gate or audio signals at the back of the unit. The drumpads in the case are not working anymore, they have been removed."


Oberheim Cyclone MIDI Arpeggiator
Note: links to listings are affiliate links for which the site may be compensated.

via this auction
"This is probably the most advanced hardware midi arpeggiator / sequencer from the 80′s. It is possible to have three arpeggios simultaneously, 16 programs and patterns can be transposed, inverted and repeated. This unit has been checked and the power supply input has been modified for save use with wrong polarity by Virtual Music."

via this auction
"This is probably the most advanced hardware midi arpeggiator / sequencer from the 80′s. It is possible to have three arpeggios simultaneously, 16 programs and patterns can be transposed, inverted and repeated. This unit has been checked and the power supply input has been modified for save use with wrong polarity by Virtual Music."
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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























