Roland JX-8P Hacked Into a Guitar Synth Stomp Box

DIY Hybrid guitar sounds demo

Published on Feb 28, 2016 Seb Sermisy

Details on the build in Czech here (Googlish here).

Video description:

"Here is the sounds demo of my hybrid guitar prototype:

Guitar: Harley Benton te-30 BE (88€)
Hexaphonic pickup: Roland GK Kit (98€)
-Piezo and pre-amp:Joyo JE-305 (23€)
-Buffer: MusikDing kit (9€)
+stereo jack, 13 pin cable, led, button, tools...

The sound is wet: recorded directly from the pedal board into the audio interface. In real situation I use two amps (a Vox AC30 and a home made amp) for a perfect stereo effect. My aim was to have 3 different but complementary sounds and a huge stereo sound.

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Barton Musical Circuits - Analog Drum - DIY Eurorack Module - MVM #32

Published on May 2, 2016 MIDI-VERSE TV

"What's up everybody Welcome to Midiverse Monday Number 32! Today we're going to be checking out an Analog Drum module from Barton Musical Circuits."

Classic Nord Modular G1 Keyboard Synthesizer SN 99010745

Note: Auction links are affiliate links for which the site may be compensated. Nord Modular g1 keyboard quick demo

Published on Apr 26, 2016 kitfuntastik

via this auction

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Roland SH-1 Vintage Analog Mono Synth

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

via this auction

"Up for sale is a vintage and super rare Roland SH 1 analog synth. Forged from the innards of the Roland System 700 this is one amazing bass machine. Absolutely destroys all over the much coveted SH101 any day of the week. It's aided in this by its secondary envelope which the 101 lacks and a completely discrete design. The oscillators, filters (there's a high pass in addition to the low pass), super snappy envelopes, and voltage controlled amp are the same circuits inside a System 700. Everything is in beautiful condition and has only seen studio use. Everything works exactly as it should and sounds absolutely amazing."

Interesting when you think of it as a pre-configured System 700 keyboard synthesizer.

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Yamaha CS20M Programmable Analog Synth SN 2894 with Original Case

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

via this auction

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Circuitbenders Introduces DIY Trigger Interface Boards for BENTLEY RHYTHM ACE FR8L / ROLAND TR77

via Circuitbenders

"The Bentley Rhythm Ace FR8L and the Roland TR77 are more or less the same machine. The only differences being that that the PCB's are in different positions, the FR8L doesn't have the tambourine sound found on the TR77 (although the empty spaces for the components are on the board and it can be installed), and the TR77 has a fade out feature along with 3 extra preset patterns.

Internally the sounds are triggered using -12v spikes, instead of the standard +5v pulses used on later machines. This interface board is designed to convert standard +5v trigger pulses supplied from an external source such as a midi to trigger converter, modular synth, drum machine or analogue sequencer, into the correct triggers to drive the FR8L / TR77 voices.

The board has 12 identical trigger conversion channels, plus a trigger input with a pair of outputs to drive the Guiro sound and its associated pitch bend triggering. Whoever designed these machines went to a hell of a lot of effort to trigger the Guiro sound, and then only used it on a couple of the preset patterns!.."

Battery (Powered) Acid

Battery (Powered) Acid from Grain Bastard on Vimeo.

"I got reminded I hadn't put a video up in quite a while so here goes...

A bit of techno/acid on some battery powered devices, the OP-1, PO-12, Volca Sample & TT-303.

I made a backing track on the OP-1 as a guide to trigger pattern changes and also to allow some changes to auto happen. The low bass, pads and some extra percussion is being played on the backing, the PO-12 is on main drum duties (kick etc), Volca is extra percussion & the Bass Bot is doing the acid. I wanted the jam to be good enough for my weekly beats entry this week so the whole lot is mixed down in Cubase.

Have a listen to my weekly tracks at www.weeklybeats.com/grainbastard if you want to hear more :)"

Harmonic Method 1

Published on May 2, 2016 voltlife

"The start of a series of experiments looking at ways to get chords and harmonies out of a modular synth. To start with, here's a straightforward approach based on three analogue VCOs and a manually-tuned three-channel sequencer. However, it's given some added tweaks to bring more harmonic and timbral variety."

Eurorack Module von Dave Rossum (E-mu) @Superbooth 16

Published on May 2, 2016 musotalk

"Dave Rossum hat für E-mu geile Filter entwickelt, die jetzt auch in einem Eurorack Case wiederzufinden sind."

Also see:

Secrets of the E-mu SP 1200 with Creator Dave Rossum @superbooth 16

Bastl TEA KICK: Sound Demo (no talking) #TTNM

Published on May 2, 2016 The Tuesday Night Machines

Overview video posted here.

"No talking, just sounds without any further processing! Of course you should experiment with VCAs, Filters, etc. too!

Features:
- bass drum generator
- Tune knob for adjusting pitch
- CV input with attenuator for Tune
- resonance knob
- resonance range switch (low range limits the circuit from self oscillation)
- click tune knob – adjusts pitch of click added to the drum body
- click output jack – when plugged in it puts the click out of the main output
- buffered output
- square wave output
- trigger input
- wtf input (acts something like band pass filter but not really:)
- trimmer to adjust the resonance range
- handmade in Brno, Czech republic
- front panel from oak wood, handmade custom knobs"