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Monday, August 15, 2016
Steiner Parker Minicon Analog Synthesizer
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via this auction
Note this appears to be the first Steiner Parker Minicon post on MATRIXSYNTH. You'll find pics of the inside below.
"Up for grabs is the only Steiner Parker Minicon. It is the only one I have ever seen for sale. It's so rare that the only photo I have found of it online is from a Steiner Parker brochure. This synth is in excellent condition with the exception for some minor paint chips along time top. This is a great synth with a huge sound that is very similar to its bigger brother the Synthacon. It takes 1 v/oct and Strig in. I have a spare knob for the noise which is missing the silver insert. Comes with the power cable."
via this auction
Note this appears to be the first Steiner Parker Minicon post on MATRIXSYNTH. You'll find pics of the inside below.
"Up for grabs is the only Steiner Parker Minicon. It is the only one I have ever seen for sale. It's so rare that the only photo I have found of it online is from a Steiner Parker brochure. This synth is in excellent condition with the exception for some minor paint chips along time top. This is a great synth with a huge sound that is very similar to its bigger brother the Synthacon. It takes 1 v/oct and Strig in. I have a spare knob for the noise which is missing the silver insert. Comes with the power cable."
EML 101 Analog Semi-Modular Synthesizer
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via this auction
"Up for grabs is a vintage EML 101 synthesizer. Similar in functionality to an ARP 2600 but with 4 oscillators and 2 voice paraphonic! This one has been modded to accept 1v/oct input. The key bushings were recently replaced. I have a replacement knob for oscillator 4. Folds up into its own case. Overall it looks, works, and sounds great."
via this auction
"Up for grabs is a vintage EML 101 synthesizer. Similar in functionality to an ARP 2600 but with 4 oscillators and 2 voice paraphonic! This one has been modded to accept 1v/oct input. The key bushings were recently replaced. I have a replacement knob for oscillator 4. Folds up into its own case. Overall it looks, works, and sounds great."
Rare EMS Pitch to Voltage, Eight Octave Filter Bank, and Quad Envelope Processor
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via this auction
Pics of the inside below.
"Up for grabs are 3 EMS Rack Units in excellent functional and cosmetic condition.. All 3 units are currently working but do to the vintage nature of these racks they are sold as is.
These were previously owned by the composer and brief owner of EMS, Edward Williams.
Comes with 3 vintage EMS power cords, 3 new Bulgen sockets to make new power cords, 2 insanely rare facilities cables to connect the rack unit to your Synthi, some typed notes, schematics, and a manual.
Pitch To Voltage:
I used this with a transformer. Looks like there is a switch inside to switch the voltage.
8 Octave Filter Bank:
This has a switch on the back to switch voltage level.
Quad Envelop Follower:
Possibly one of a kind unit built by Robin Wood for Edward Williams. I used this with a transformer. You will need a transformer for this unit or you will need to mess with the wiring internally."
via this auction
Pics of the inside below.
"Up for grabs are 3 EMS Rack Units in excellent functional and cosmetic condition.. All 3 units are currently working but do to the vintage nature of these racks they are sold as is.
These were previously owned by the composer and brief owner of EMS, Edward Williams.

Pitch To Voltage:
I used this with a transformer. Looks like there is a switch inside to switch the voltage.
8 Octave Filter Bank:
This has a switch on the back to switch voltage level.
Quad Envelop Follower:
Possibly one of a kind unit built by Robin Wood for Edward Williams. I used this with a transformer. You will need a transformer for this unit or you will need to mess with the wiring internally."
Roland Juno 106 Analog Polyphonic Synthesizer with Dual VCF/VCO ICs Modification and Flight Case
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via this auction
"This Roland has been modified here is information about the stock setup and then info about modifications.
The Stock Juno-106 is a six-voice polyphonic and programmable analog synth with one digitally controlled oscillator (DCO) per voice. While classic monophonic syths used two or three oscillators to create a fatter sound(check mods below), the Juno-106 uses built-Chorus to fatten up its sound with dramatic effect. The nature of its DCO meant it was stable and always in perfect tune but still warm and analog. There is an excellent 24db/oct analog low pass filter with plenty of resonance and self oscillating possibilities and a non-resonant high pass filter. The programmable pitch/mod bender can be assigned to control the DCO pitch, VCF cut off, and LFO amount all at once or individually. There are 16 MIDI channels available and MIDI SYsEX data can be transmitted/recieved from all the sliders and buttons for total remote control and sequencing capability. A switch on the back of the keyboard next to the MIDI port allows the user to switch between three types of MIDI modes: KEYBOARD, HOLD, BENDER, PATCH or ALL DATA(including SysEX).
Fully restored with Mods: This unit has been Completely rebuilt, new DCO chips, and battery. and modified with a DUAL VCF/VCA ICS which give it a thicker full sound(the extra filtier/vco chips are located under the PCB) The keyboard has been completely re-graphic in purple and yellow with matching LEDS and dark walnut sides. It comes with a printed copy of the owners and service manual. A matching spec(other than color) keyboard also modded by Roger Gastrow now resides at Henson Studios in California."
via this auction

The Stock Juno-106 is a six-voice polyphonic and programmable analog synth with one digitally controlled oscillator (DCO) per voice. While classic monophonic syths used two or three oscillators to create a fatter sound(check mods below), the Juno-106 uses built-Chorus to fatten up its sound with dramatic effect. The nature of its DCO meant it was stable and always in perfect tune but still warm and analog. There is an excellent 24db/oct analog low pass filter with plenty of resonance and self oscillating possibilities and a non-resonant high pass filter. The programmable pitch/mod bender can be assigned to control the DCO pitch, VCF cut off, and LFO amount all at once or individually. There are 16 MIDI channels available and MIDI SYsEX data can be transmitted/recieved from all the sliders and buttons for total remote control and sequencing capability. A switch on the back of the keyboard next to the MIDI port allows the user to switch between three types of MIDI modes: KEYBOARD, HOLD, BENDER, PATCH or ALL DATA(including SysEX).
Fully restored with Mods: This unit has been Completely rebuilt, new DCO chips, and battery. and modified with a DUAL VCF/VCA ICS which give it a thicker full sound(the extra filtier/vco chips are located under the PCB) The keyboard has been completely re-graphic in purple and yellow with matching LEDS and dark walnut sides. It comes with a printed copy of the owners and service manual. A matching spec(other than color) keyboard also modded by Roger Gastrow now resides at Henson Studios in California."
Reverb Auction Posts
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Just a heads-up, I will be including Reverb in auction posts moving forward. I've had a number of readers request them. To differentiate between Reverb and eBay I've created new labels for them which you will find at the bottom of auction posts. You can sort for whichever your prefer. The Auctions label of course will remain and include both.
Please note only the most interesting/rare items will continue to go up. To submit anything else, you have to be a supporting member of the site.
Just a heads-up, I will be including Reverb in auction posts moving forward. I've had a number of readers request them. To differentiate between Reverb and eBay I've created new labels for them which you will find at the bottom of auction posts. You can sort for whichever your prefer. The Auctions label of course will remain and include both.
Please note only the most interesting/rare items will continue to go up. To submit anything else, you have to be a supporting member of the site.
Oberheim OB-Xa
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via this auction
Also listed on Reverb here.
via this auction
Also listed on Reverb here.
Oberheim TVS-1 Synthesizer with CV Mods
Original Moog MiniMoog Model D Signed By Bob Moog
Let me show you my Rack #2: Bastl Rumburack Eurorack Modular Synth #TTNM
Published on Aug 15, 2016 The Tuesday Night Machines
___Timecodes:
0:29 Rumburak case features
0:58 Hendrikson - Instrument & FX interface
1:50 GrandPa + Spa - granular sample player
3:05 Tea Kick - kickdrum, drone and square generator
3:42 Noise Square - percussion sound source
4:19 Propust - triple passive filter
4:33 Cinnamon - multi-mode VCF and VCO
5:26 Clutch - quad attenuator and CV source
5:51 Skis - dual decay envelope and dual VCA
6:41 Quattro figaro - quad VCA/VC mixer and CV stereo panner
7:08 ABC - six channel mixer
7:20 Ciao! - stereo audio output module and mixer
8:32 Reverse Landfill Wood Noise - square wave noise generator
9:02 Error Instruments Hard Candy - square wave generator, clock and trigger sequencer
9:44 RFProjex Gargoyle Delay - experimental delay to infinity
10:24 DIY Blank Panel
10:38 Passive Multiple
10:50 CV Trinity - six channel LFO/Envelope/CV Recorder
12:10 Popcorn - non-linear CV/Gate sequencer
13:32 Little Nerd - clock, trigger & gate processor
14:02 Knit Rider - six track performance trigger/gate sequencer
15:30 The truth about the Bastl Instruments Eurorack wood panels!
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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