JX10 & MKS70 Display

Published on Aug 15, 2015 Guy Wilkinson

"Here is a video of my latest home project; a replacement display for the Roland JX10 and MKS70 Synthesizers. Note that blinking characters on the display don't blink regularly due to video editing.

To attach a new display to the synth and display the basic text is quite straightforward but getting the best out of a modern VFD module using fancy fonts and graphics is much more complicated when linking it to a 30 year old electronic design.

It all began when Frédéric Vecoven had developed a replacement operating system for these synthesizers and kindly invited me into his project to contribute. Fred had developed an extensive set of software tools to allow full simulations of the synths and VFD displays, making the job a lot easier for me as all code could be developed and tested on a Linux or OSX Platform without real hardware. It meant that it worked almost perfectly when running on real JX10 for the first time.

Fred’s JX10/MKS70 software provides additional data in order to make an elegant design of display layout. Tone edit is particularly well enhanced as is the play mode and function display.

In this demo, the display is powered by the JX10 but could also be powered separately if wanted. Careful design of the new circuit, PCB and routing of power in the JX appears to have removed the 'hum' that you can just about hear in the noise floor of the standard JX. The hum is caused by the refresh scheme in the old VFD display and I expect to demonstrate a lower noise floor in final testing when the first bare PCB arrives next month.

Soon I will release details and there will be a viable solution to replace a failed display!"

Quick note: the video is on the display replacement only. The music is for background purposes only and was not created using the Roland JX-10 or MKS-70.

Arp Odyssey by Holotronica

Published on Dec 30, 2014 Stuart Warren-Hill

"This track was created using only the Arp Odyssey the day I purchased it. even the drum sounds are created using it.Recorded into Ableton Live MAC osx
Animation Rob Peplar

To watch the video in full 3D the track is on the new 3D Holotronica Blu-Ray www.holotronica.com"

Frames Parasite - 1. Shift Register Sequencer

Published on Aug 15, 2015 mqtthiqs

"First demo/tutorial of the Frames Parasite free alternative firmware for Mutable Instruments Frames. More information and download at http://mqtthiqs.github.io/parasites."

High level summary:

"Frames Parasite is an alternative firmware for Frames. It adds the following main features to the module:

a new quad Euclidean sequencer mode that turns Frames into a quad algorithmic drum sequencer with built-in envelopes, VCA and mixer.

a new Shift Register sequencer mode that turns Frames into a live random canon generator.

an improved quad sequencer mode with sequence randomization and a step edition mode to easily enter sequences in sequencer mode.

a new user interface to easily switch between modes (no more hard-to-remember button combos). There are five modes: keyframer, quad sequencer, shift register sequencer, quad LFO, quad Euclidean sequencer.

four additional memory slots to save and load presets (sequences, mode, parameters etc.).

All features of the official firmware are left untouched and still accessible."

Buchla 281e subdivided by 250e

Published on Aug 15, 2015 Todd Barton

"A little quick tip for subdividing the 281e in self-cycling mode via the 250e. Takes a little dialing in but very cool potential uses. . ."

Waldorf Rocket Synthesizer

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Pittsburgh Modular Cell 48 Double Eurorack Case

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"Two eurorack cases connected together with nice wooden panels with ever so slightly different specs as follows ;

Top Case
Eurorack case with UK power supply (which was not supplied when I bought it). Depth is approximately 35mm above power supply which takes up approximately 10HP. Approximately 19HP either side of the power supply has a depth of approximately 55mm. Custom flexible power rail with 8 power headers (+5v adaptor compatible). The rails are sliding nuts.

Bottom Case
Eurorack case with UK power supply (which was not supplied when I bought it). Depth is approximately 35mm above power supply which takes up approximately 10HP. Approximately 19HP either side of the power supply has a depth of approximately 55mm. Modules are connected to floating female bus cable. The rails are sliding nuts."

Make Noise Phonogene Eurorack Module

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"Latest version. I'm afraid I do not have the original box, but it will be packaged in a same size Make Noise box."

Trax Retrowave R-1 Analogue Synthesizer

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Moog Sub Phatty Analog Synthesizer

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"The Moog Sub Phatty is a great little synth!
It's marketed as a bass synth but it can do so much more. This thing is a future classic."

Don't miss the Sub Phatty video by John L Rice here.

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Moog Minimoog SN 00099

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"All original components and in working condition. Serial number is 00099.
Case is in solid shape, has all keys, switches, wheels and knobs.
The wood case use a little sanding and oil and the contacts can get sticky. The 3 oscillators generally warm up after 10-15 minutes and get loose after 45-60 minutes sustained usage.
Otherwise this Mini MOOG has always been stored in either the studio or in an environmentally controlled storage area and is in remarkable condition.
A great collectible or studio piece with room to increase its value with just a little surface TLC."