Gameboy Advance Eurorack MIDI Module (Gameboy Synthesizer)

video upload by RY0G4 _

"Gameboy Advance Eurorack MIDI Module (Gameboy Synthesizer)

Enjoy It!"

ladik S-280 sequencer

video upload by RuprechtM

"Different settings of S/H switch on S-280 sequencer"

"S-280 Sequencer module for eurorack / Doepfer A100 system.

Left section: clock & reset inputs, variable parameter knob, A & B trigger/gate outputs

Mid section: individual out jack+LED, CV slider (CV1), step LED, CV knob (CV2), three-position switch (step on/off)

Right section: bunch of three-position switches for settings, CV1 & CV2 out jacks

All trigger/gate outputs are equipped with internal serial diodes so they can be “summed” (“OR”ed) on simple passive mult.

Width: 32TE/ 32HP/ 163mm.
Depth: 35mm /1,4″ max.
Current: 35mA"

2021/08 DAWless Summer Session - Dance [w/ Custom 808 Clone in KORG PS Style Case]

video upload by Stereoping

"Another short session with the TriggerMidiRocket running the #Novation #Summit and the #DB9 Deep Bass Nine. #MPC1000 midiclock is sent to the 808-clone and a eurorack midi-cv-clock interface. The clock of this interface is syncing the ER-88 eurorack triggersequencer which finally is triggering the Rocket. Gatelength and Velo changes on the Rocket control Glide & Accent of the DB9 ... surprising everything works so flawless. #OSCar and #ARP2600 are simply midi controlled by the MPC."

VolcaJam 21

video upload by Jarkko Tuohimaa

"VolcaJam 2021
Korg Volca: keys x2, Bass, Nubass, FM, Modular Drum, Beats, Kick, Sample, Mix x2.
Additional mixer: Zoom L-8
MIDI clock is sent from: Arturia KeysStep Pro passed to all Volcas thru Retrokits RK006. Only Volca sequencers used."

Reason 12 Has Arrived! - The Updated Combinator, Mimic Creative Sampler, High-Res Graphics, and more

video upload by Reason Studios

"A new look, a new instrument, and a whole new way of interacting with sounds, Reason 12 is all about leveling up the creative potential at the heart of your music-making experience. Reason's beloved Combinator has been completely refreshed for an expandable, customizable, and more powerful sound design playground. The brand new Mimic Creative Sampler approaches sample manipulation as a musical reimagining of audio samples that can be both inventive and even fun! Bringing together the best audio technologies from Reason Studios’ history of groundbreaking DSP and sample-slicing. All new high resolution graphics bring the Reason Rack to life, with under the hood updates to tap in to modern video card performance."

PAC - Custom PAC-MAN Themed Korg Minilogue Love Hultén

video upload by Love Hultén

"Custom-made synthesizers - lovehulten.com"

Note the finish appears to be brushed black. The Minilogue came in original silver and the limited Minilogue PG in black. Both had smooth finishes and both were keyboard models only. The Minilouge XD introduced the desktop module version, which this is not.

Blue Lantern Cmos FX Processor MK2

videos uploaded by flavio mireles

Update: added a playlist with four demos above.

See the dealers on the right for availability.

"This module has all the internal circuits to complete a voice: sound generation + envelope generation + amplifier control.

The sound generation is interesting. The core is using 3 CMOS based oscillators that are performing exclusive 'or' logic.
This is known as 'XOR' ring modulation. This entire circuit is being voltage starved, a technique common among the advanced circuit bending hobby.
For example, portable vintage toys that use batteries sound different as there batteries loose voltage. I designed a CV controllable
circuit that simulates the 'dying batteries' scenario.

This is where the product's name comes from: CMOS FX Processor. Incoming audio is internally conditioned
to be those dying batteries. To my knowledge I don't think there is any other euro format product that uses this technique.

-CMOS FX INPUT jack has a capacitor on it's signal path, making this an AC input.
-MOD INPUT jack is a DC signal path.
-FM INPUT jack is also a DC signal path, but with level control (attenuator).

Envelope Generator

This is a digital based 1 shot circuit, that has 8 wave forms. The decay knob controls the tail of the envelope. There is no parameter for attack.
Some of the wave forms have set attack times if you require some 'fading' in on the control.
-Regeneration 'REGEN' parameter is a feedback. This controls the looping of your envelope.
-Delay parameter controls the time until the next 1 shot of your loop.
-Decay knob needs to be adjusted as you experiment using Regen and Delay parameters. Shorter decay times work best and make the looping faster.
-Envelope Output is 0-10V.

Amplifier Control

The internal circuit is an OTA based '13700' vca design.
-Accent input jack is a POSITIVE only conditioner. For example if you patch a -5/+5v signal, only the +5v portion reaches the VCA control.
This is good for making the audio louder at given intervals, but not making the audio 'mute'.
-VCA CV input jack is a direct DC coupled input. This will make the audio fade in and out of volume. Both positive and negative values make it to the VCA control.

How to use this module.

For best results you will need a sequencer or sample and hold from a digital fancy module. You can practice first by patching this to the 'FM' input and find your sweet spot with its level.
You will need to patch a 'tempo' to the trigger or you can use the W Pulse clock to trigger this product.

Once you got the hang of the module, make a sequenced based patch with your other modules. Use the CMOS FX Processor at the end of the audio signal path chain to 'Process' your audio.
Your going to here some bizzare techno. If you have a scope, the wave forms on the output are really crazy to see."

Fully serviced Formanta Polivoks w/ MIDI & Mods

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

Pics of the inside below.

"Fully restored. All the electrolytic capacitors have been replaced. All the potentiometers were cleaned and lubricated (with disassembly) for smoother action and scratches avoidance. All the tones and waveforms were tuned. Power connector is replaced to a standard IEC 320. 220v. Audio connectors for input/ output and phones are Neutrik 1/4'' jacks. No adapters required.

Additional mods:

Duophonic MIDI control allows to play in the range of 64 MIDI notes from F1 to G#6 with adjustable 1 octave pitchbend, VCF cutoff is controlled by the ModWheel.

Switchable portamento effect to BOTH oscillators in monophonic mode.

Carrying handle was moved to a front panel and that makes it more usable."

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Roland VariOS w/ 4GB Compact Flash Card

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

Note there is a discoloration at the bottom right of the LCD screen.

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Polyend Tracker Firmware Update v1.4

video upload by Polyend

"The official Polyend Tracker v1.4 firmware update is ready, and it takes the gear to an entirely new level!

We’ve added plenty of impressive sound-sculpting tools so your music companion can take you to new places. Check out the overview of the new functions:

- Newly added Horizontal Pattern Edit Mode, to give you access to a more classic sequencing experience,
- New step Fx’s - Arp, Slide, Gate Length, and Swing,
- The Tune Fx in the Performance Mode now also works for MIDI notes,
- Line Input passthrough now supports Delay and Reverb sends,
- Mono support for Line Input passthrough,
- Performance Mode now plays through the entire song
- You can now switch between Perform screen and Instrument Parameters without breaking the performance,
- Updated Title Bar is now also available in the Pattern Screen,
- New MIDI output latency compensation (MIDI Instrument Parameters offset utility),
- Overall bugfix and performance update,

Check the detailed changelog and download the firmware archive at:
polyend.com/downloads

Please save your active project before upgrading firmware.

Picture & sound by Isobutane"