Diabolical Modified Circuit-Bent Casio SK-5

via this auction

"The Diabolical Modified Casio SK-5 custom version is the new and improved circuit-bent glitch monster from Diabolical Devices. Create vast sound-scapes, unique synth sounds and total chaos, all packed inside your favorite childhood toy. The Casio SK series is loaded with original features, sampling capabilities, and great sounds (for what it was....) **When no modifications are engaged this will behave as a 100% stock Casio SK-5. Diabolical Devices aka Class A Electronics, LLC is a leader in Professionally Modified Synthesizer and Audio Equipment, Expert Repair Services, and has a full line of Hand-Wired Tubes Amplifiers and Effects (Diabolical Amplification). Their work has been featured at NAMM, art galleries, music videos, countless tech blogs, and used by musicians all over the world, professionals and enthusiasts alike. The circuit-bending and synth mods are the work of head-technician James Gramling who has spent the last 12 years in professional audio service and electronics prototyping. Check out the new www.circuit-bent.com for updated specs, custom work questions, and new releases from Diabolical Devices

Diabolical Modified Casio SK-5 Features: 20 point Banana Jack patch bay: Generate a WIDE variety of strange sounds and unique glitched sounds by linking these patch points with provided patch cables. Clock/Pitch mod: An external clock generator has been added. When engaged you have control over the master pitch of all keyboard voices, drum sounds, and bent sounds ranging from well above to WAY below original pitch. This modification has a bypass switch, pitch control and LED status indicator.

MIDI input: www.highlyliquid.com 1/4 audio output: Original speaker has been removed." 

See the seller's other items for more.

Circuit Bent Casio SK-5 by Psychiceyeclix

Note: Auction links are affiliate links for which the site may be compensated.
Published on Nov 19, 2015 psychiceyeclix

"Circuit Bent Casio SK-5, with the modifications it is now capable of producing thousands of different sounds, voices, glitches, drones, melodies, harsh noise, glitch beats, casiocore etc...."

via this auction

"Circuit Bent Casio SK-5 modified by Psychiceyeclix.
With the modifications it is now capable of producing thousands of different sounds, voices, glitches, drones, melodies, harsh noise, glitch beats etc....

The 16 rca patch bay can be linked in any possible way to create endless sounds, it has pitch control - with knob or light sensor, 2 body contacts that can add tremolo by touching quickly & sound cut switch.
Sounds can be sampled via on board mic or line & glitched/bent via bends.
Speaker has been removed to house controls.
All original sounds still work if bends are not engaged.

Items supplied - Circuit bent Casio SK-5, 2 x patch leads, Box. You will need to get AA batteries or 7.5v power supply

Mods - 16 rca patch bay, pitch control, pitch on/off switch, LDR, ldr on/off switch, 2 x body contacts, cut switch."

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Casio SK Site

Title link takes you to group site dedicated to the Casio SK line of keyboards including pics, mods and more.

Notes on the SK-5 and SK-8 from Ryan (Plutoniq9)

- 4 sample slots opposed to the (1) on the SK-1
- Samples saved when powering off, SK-1 loses memory due to DRAM.
-When adding midi (i.e Highly Liquid's midi retrofit), the SK-5 & SK-8 can trigger all four samples via midi, so you can use it as a crude lo-fi drum sampler.
- Reverse mode.....always cool for xperimental sounds.

The SK-5 & SK-8 are very very close to one another, I still haven't tested
it yet, but i think a ROM swap could be made between the two. Although they
are the focus of the group, discussion on all SK keyboards is welcome. The
files section has detailed modifiations for the sk-5 & SK-8, real
modifications...not circuit bending.

Casio DM-100

Click here for shots via this auction.

"The Casio DM-100 is basically a Casio SK-5 and a MT series keyboard in one housing. I believe it was the only mini-keyed keyboard to have dual keyboards on it.

Strangely though, not all of the SK-5 features are present (or at least brought to the control surface). Absent is the ever-useful lions roar, laser gun, dog, and surf sounds, but it features a few others instead. It does keep up to four samples and retains the useful sample tune, reverse, loop, and amp envelopes. The samples are stored in the memory after power off as long as batteries or AC adapter are present. I never cracked it open to see, but I imagine that some of the other SK-5 features are still there on the circuit board and accessible to hardware hackers and circuit benders. It has a built-in microphone as well as a 1/8" line-in jack for the sampler. The larger speakers on the DM-100 make it sound better than any SK-5 ever did.

The bottom keyboard has a PCM sampled soundset with the ability to layer any two of the 20 sounds together for a total of 210 possible combinations.

It also has rhythm accompaniment as well as Casio's auto chord accompaniment feature. It has a mixer section to balance the sound output of the top and bottom keyboards with the accompaniment and a 1/4" headphone jack on the front. On the back are RCA outputs, a 9V DC-in (AC adaptor not included) and individual tuning knobs for each of the keyboards so you can get detuned chorus-style effects out of this thing if you play both boards at once."

via devetron

Update via Alex in the comments: "Hate to break it to you, but the sampler is not based on the SK-5. I've owned two of these and had a good, long look inside them. The sampler is basically a stripped down SK-8 with the same instrument set and sampling capabilities.

So, you won't find any lion's roar or laser gun in this keyboard, I'm afraid. Neither will you find the oriental features or even any of the ROM related features."

Casio SK-5 8-Bit Sampling Keyboard + 50 Point Patch Bay

Note: Auction links are affiliate links for which the site may be compensated.
video upload by Canned Sound

"Rare 1987 Casio SK-5 8-bit sampling keyboard custom modified with a 50 point patch bay. This is a strange, lo-fi, challenging but rewarding instrument which will inspire any alternative electronic musician and sound designer."

via this auction

"Rare 1987 Casio SK-5 8-bit sampling keyboard custom modified with a 50 point patch bay. This is a haunted, lo-fi, challenging but rewarding instrument which will inspire any alternative electronic musician and sound designer. Nothing is obvious here- the keyboard itself doesn't always function as you'd expect while the patch bay opens up a world of experimental audio possibilities, far outreaching Casio's original intentions- remember, it isn't broken, it's just weird.

When the patch matrix is implemented, an array of warped sounds and effects are generated; applying multiple connections produces an increasingly complex range of cyclic, pitch dropped, fractured, tonal, bit crushed, flanged, distorted, aliasing digital noise and bizarre sequences which affect the presets, onboard rhythms (speed rushes of laser, lion and drum samples) and any sound you record using the sampling feature. The SK 5 is also very good at producing complex drones and atmospheres which can be developed using the five included patch cables- these can also be stacked for further sonic manipulation.


Specs:
Sample reverse and loop functions
8 PCM tones: piano, vibraphone, dog, surf, trumpet, organ, chorus, flute.
10 rhythms: rock 1/2, disco 1/2, 16 beat, march, bossa nova, samba, slow rock, waltz.
Holds 2 samples: 8-bit PCM, 9.38kHz, approx. 1.4 seconds + 4 samples @ 0.7 seconds.
Sample tune +_ 1 octave
4 sample pads
4 rhythm pads: laser, lion, hi bongo, lo bongo
496 step sequencer
32 keys
6 envelope options"

Tablebeast TB-SK01 mkII Modified Casio SK-1

Tablebeast TB-SK01 mkII Modified Casio SK-1 Controls

YouTube Uploaded by tablebeast on Feb 1, 2009

"This is a video describing the controls of the new Tablebeast Modified Casio SK-1 model TB-SK01 mkII."

Tablebeast TB-SK01 mkII Modified Casio SK-1 Sounds

Uploaded by tablebeast on Feb 1, 2009



via this auction

"Presented here is the Tablebeast Modified Casio SK-1, model TB-SK01 mk II. Please be sure to note these keyboards are modified by hand one at a time and are MADE TO ORDER so may take up to a month to deliver. If you already have an SK-1, 5, or 8 I offer up to a $100 trade in credit for donor SK's based on condition. I have revised a few things from my original design and added some great features as well. Of course this new mkII model still has my original bending innovation, the 16 point RCA mod patchbay, but now it also has newly researched and revised mod points. In addition to that, other new mods include a filter switch that that bypasses the Casio filters and lets through a lot more high and low frequency content. This really opens up the sound, especially under mod and works great especially if you want to filter it on your own. I have also added a soft reset switch which is great for resetting the SK-1 quickly without having to turn it off completely and losing the sample in memory. There is also an advanced pitch control circuit with a built-in bypass switch and body contact for manual pitch adjustment. I have upgraded pretty much every part and aspect of my previous mk I mod plus I have done what no other SK-1 benders on ebay do: I perform a full recap of the SK-1's electrolytic capacitors. I recap the SK-1 with high quality Nichicon audio grade electrolytic capacitors for long life, lowered noise floor, and a better overall tone. The recapping really makes a significant sonic difference. It also extends the life of the SK-1 for another couple of decades as electrolytic capacitors start to go bad after about 20 years or so. Considering these guys were originally made in the 80's, without the recap the clock would be ticking on these vital parts. If you're going to spend $399 on a modified Casio don't you want it to perform like a new one? Well, look no further as I refurbish as well as modify! Your newly modified Casio SK-1 comes complete with instructions and a set of four short patch cables. Please note that this modified keyboard is made by hand lovingly one at a time and MADE TO ORDER so there may be a delay in shipping depending on stock on hand. Please inquire for details. The pictures on this listing are stock photographs of the new standard TB-SK01 mkII model not of the exact keyboard you will receive."

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Fun with SK-5

YouTube via ISOTROPOSPHERE | February 14, 2011 |

"This is a circuit bent Casio SK-5 by Tablebeast, my first bought bent item, seven years ago now. The intro tinklings come from a Casio VZ-1 on the guitarsichord patch. I think it sounds like a Rhodes, aka John Paul Jones. Korg Koass pad looping a modular sound, reminds me of Trey from Phish loop he uses.

All other sounds from the Casio SK-5, sorry that my stupid mixer settings muddied up the wonderful low tones generated by the SK-5 in bend mode play. :-("

Diabolical Modified Casio SK-1 Circuit-bent MIDI 6/02/09b

YouTube via classaelectronics — June 02, 2009 —

"Diabolical Modified Casio SK-1 with MIDI, bending patch bay, and dual oscillators. Available occasionally at circuit-bent.com."

via this auction


"The Diabolical Modified Casio SK-1 (Version 3) is the new and improved circuit-bent glitch monster from Diabolical Devices. Create vast sound-sacapes, unique synth sounds and total chaos, all packed inside your favorite childhood toy. The Casio SK-1 is loaded with original features, sampling capabilities, and great sounds (for what it was....) all Diabolical modified SK-s include MIDI retrofit from Highly Liquid which allows you to trigger any of the SK-1's notes via MIDI input, this is great for playing original sounds with larger keyboard or triggering glitched sounds from a machine or sequencer.

Diabolical Devices aka Class A Electronics, LLC is a leader in Professionally Modified Synthesizer and Audio Equipment, Expert Repair Services, and has a full line of Hand-Wired Tubes Amplifiers and Effects (Diabolical Amplification). Their work has been featured at NAMM, art galleries, music videos, countless tech blogs, and used by musicians all over the world, professionals and enthusiasts alike. The circuit-bending and synth mods are the work of head-technician James Gramling who has spent the last 12 years in professional audio service and electronics prototyping. Check out the new www.circuit-bent.com for updated specs, custom work questions, and new releases from Diabolical Devices

Diabolical Modified Casio SK-1 Features:
20 point circuit-bending interface: Heavy-duty banana jacks on hand made turret board panels. This patch-bay allows you to scramble sound data as the synth addresses it, and the result is an endless variety of weird effects, noise, filtered and modulated bends, and one of a kind sounds (seriously, you might one hear some things once). It's a mixed bag of playable bends and bends that play themselves. These patch locations will affect each preset sound differently and also affect samples and chord/auto-play functions. This patch-bay also allows you to cross-patch with other bent devices for more ROM scrambling goodness.

Dual Square Wave Generator: A Diabolical Devices original. This mod allows you to patch the output of two different oscillators into circuit-bending patch locations. One oscillator is an LFO (low freq.), when patched to this point it will create controllable modulation, pulsing bends, and other strange reactions. The second stage is an Audio Frequency Oscillator which will react similarly to the LFO and create tunable overtones. Each Oscillator has an on/off switch with LED indicator, pitch/speed control, and a corresponding patch point.

Skew Bank: This is a great mod adapted from Reed Ghazala's original SK-1 bends, basically its a bank of 5 switches, when activated each switch will generate a different pulsing or semi-looping bend which affects original keyboard sounds.

MIDI INPUT by Highly Liquid (www.highlyliquid.com)
1/4" Audio Output
Blue Power LED"

A "Casio" SK-5 for iOS

SK-51 by Fingerlab App Trailer Published on Mar 7, 2019 Fingerlab

"Download for free on the App Store:
https://itunes.apple.com/app/sk-51/id...

K-51 is an all-in-one keyboard inspired by the Casio SK-1 (and his brother the SK-5), a 8-bit lo-fi keyboard from the 80’s, with sampling features and onboard drum machine.
Called the poor man's sampler at the time, this keyboard was a real instrument and has been used by many major artists such as Fatboy Slim, Portishead, Autechre and Nine Inch Nails.

As some of us at Fingerlab compose their first songs with it when they were kids in the eighties, we wanted to bring back to you this particular feeling from the past, so we created the SK-51.

We recorded all the instruments and drums notes, one by one with a professional audio quality (16bit/44KHz), we recreated the sampling features, and we transcribed all the demo drums patterns.
We also added the sounds from the Casio VL-Tone, a keyboard older than the SK-1 but nevertheless famous.

With its nice and true to life interface, many instruments (Trumpet, Flute, Piano, Vibraphone, …), 4 sampling slot and many drums patterns and sounds, the SK-51 is versatile and fun music tools.
Record your voice, start the drum box, play a chord and you got it!

Free version features:
- 3 instruments (Flute I, Piano I, Trumpet)
- 7 drums kit
- 4 sampling slot
- 3 demo drums patterns
- Full Mixer
- Midi support
- AudioBus & Inter-App Audio support
- Ableton Live support

IAP Full version features:
- 19 instruments (including Brass Ensemble, Vibraphone, Chorus and many more…)
- 7 drums kit
- 21 demo drums patterns
- 3 FX: Phaser, Delay & Reverb
- Live Recording

Soon coming: more instruments, more Fx and new features!

We hope you’ll enjoy it!

Stay tuned!
Fingerlab Team"

Rack Mount Casio SK-1 Circuit-bent glitch synth

via this auction
"Circuit-Bent Casio SK-1 professionally modified Diabolical Devices

The Diabolical Modified Casio SK-1 circuit-bent glitch monster from Diabolical Devices. Create vast sound-sacapes, unique synth sounds and total chaos, all packed inside your favorite childhood toy. The Casio SK-1 is loaded with original features, sampling capabilities, and great sounds (for what it was....)
Diabolical Devices aka Class A Electronics, LLC is a leader in Professionally Modified Synthesizer and Audio Equipment, Expert Repair Services, and has a full line of Hand-Wired Tubes Amplifiers and Effects (Diabolical Amplification). Their work has been featured at NAMM, art galleries, music videos, countless tech blogs, and used by musicians all over the world, professionals and enthusiasts alike. The circuit-bending and synth mods are the work of head-technician James Gramling who has spent the last 12 years in professional audio service and electronics prototyping. Check out the new www.circuit-bent.com for updated specs, custom work questions, and new releases from Diabolical Devices

Rack MIDI Casio SK-1 Circuit bent by Diabolical Devices:
Here we have an awsome custom SK-1 by Diabolical Devices it has been cut down and modified to fit into a standard 19" rack and is about 4-5 rack spaces wide (top to bottom). This is a custom modification and will not be duplicated (by us....) In addition to custom rack ears two plates were custom made to house modifications.

The first plate which is located were the speaker once was consist of 1/4" main audio output, 1/8" sampling input, MIDI input (www.highlyliquid.com) and 1/8" individual outputs for Drums, Bass, and Lead, when one of these jacks is used that voice is removed from the main mix, these jacks can also be used to mute a particular voice from the main output by inserting a cable into corresponding jack.

The second plate which is located were the lowest 7 keys once were has a 15 point 1/8" patch-bay. These are the circuit-bending points, linking patch locations with provided patch cables will unlock an endless variety of crazy effects, playable bends and outright bizarre sounds. the video below should give you some idea of what this devices is capable of.

This custom modification also includes front access DC power connector (this device runs off DC power adapter only) and blue LED color change. There are custom painted buttons and the keys got a cool reverse paint job." Also see this one.

A final outing for CASIO SK Twins (march 2013)

Published on Mar 14, 2013 squidfanny·136 videos

squidfanny on eBay (RSS)

"Very Circuit Bent CASIO SK's, both machine's are in dire need of some servicing. . .

After many years of continuous use as a demonstration piece, my beloved CASIO SK-5 is ready for retirement. The sound is now very distorted and the digital section is becoming very glitchy and un-reliable.
This is a clear sign that the old capacitors need to be replaced.
I'll probably need to remove / re-work some mods too, so this is the final outing for this particular incarnation of the SK-5.

The SK-1 was a recent project, I added my 'Trance-Gate' Step-Sequencer circuit to the machine, but was never really happy with the result. So again, this machine's gonna be re-worked and re-incarnated as something better :)"

Casio SK-100 sampling keyboard demo - "Over Again"

Published on Apr 17, 2020 Alfonse

"Casio SK-100 sampling keyboard (1987)
The SK-100 is a larger version of the famous SK-1 and SK-5 with more keys and features, including the ability to store two custom drum sequences, which can include samples. The sampler function itself has a great 8-bit / 10.113kHz lo-fi sound; grainy and interesting.

This track features vocal samples from my 2011 release 'Time Over' featuring Ayika. https://youtu.be/HRPFzpa3mSA

All sounds you hear in the track were made using the Casio SK-100 sampler or its factory sounds and were recorded to a DAW, where compression, EQ, reverb, and delay were added as required. Individual drum hits were sampled from the SK-100 and sequenced in the DAW. I gave the clap some more depth by triggering multiple samples, slightly differently pitch- and time-shifted, through a short reverb.

Music: "Over Again" (C) Copyright 2020 Alfonse
Download here: https://alfonse.bandcamp.com/album/f

ALFONSE
Store: http://alfonse.bandcamp.com
Twitter: http://twitter.com/alfonsemusic
Instagram: http://www.instagram.com/alfonsemusic
Soundcloud: http://www.soundcloud.com/alfonsemusic"

Diabolical Modified SK-1

YouTube via classaelectronics | September 09, 2008 |

"Circuit bent SK-1 modified by Diabolical Devices/Class A Electronics."

via this auction
"The Diabolical Modified Casio SK-1 (Version 3) is the new and improved circuit-bent glitch monster from Diabolical Devices. Create vast sound-sacapes, unique synth sounds and total chaos, all packed inside your favorite childhood toy. The Casio SK-1 is loaded with original features, sampling capabilities, and great sounds (for what it was....) Diabolical Devices aka Class A Electronics, LLC is a leader in Professionally Modified Synthesizer and Audio Equipment, Expert Repair Services, and has a full line of Hand-Wired Tubes Amplifiers and Effects (Diabolical Amplification). Their work has been featured at NAMM, art galleries, music videos, countless tech blogs, and used by musicians all over the world, professionals and enthusiasts alike. The circuit-bending and synth mods are the work of head-technician James Gramling who has spent the last 12 years in professional audio service and electronics prototyping. Check out the new www.circuit-bent.com for updated specs, custom work questions, and new releases from Diabolical Devices.

Diabolical Modified Casio SK-1 Features:

20 point circuit-bending interface: Heavy-duty banana jacks on hand made turret board panels. This patch-bay allows you to scramble sound data as the synth addresses it, and the result is an endless variety of weird effects, noise, filtered and modulated bends, and one of a kind sounds (seriously, you might one hear some things once). It's a mixed bag of playable bends and bends that play themselves. These patch locations will affect each preset sound differently and also affect samples and chord/auto-play functions. This patch-bay also allows you to cross-patch with other bent devices for more ROM scrambling goodness.

Dual Square Wave Generator: A Diabolical Devices original. This mod allows you to patch the output of two different oscillators into circuit-bending patch locations. One oscillator is an LFO (low freq.), when patched to this point it will create controllable modulation, pulsing bends, and other strange reactions. The second stage is an Audio Frequency Oscillator which will react similarly to the LFO and create tunable overtones. Each Oscillator has an on/off switch with LED indicator, pitch/speed control, and a corresponding patch point.

Skew Bank: This is a great mod adapted from Reed Ghazala's original SK-1 bends, basically its a bank of 5 switches, when activated each switch will generate a different pulsing or semi-looping bend which affects original keyboard sounds. 1/4" Audio Output

Blue Power LED

MIDI retrofit: This SK-1 as been retrofitted using Highly Liquids MIDI Input Kit."

3XFX mod box

YouTube Uploaded by ISOTROPOSPHERE on Sep 7, 2011

"This is a mod box I commissioned to have built by 3XFX as a companion to a prior 3XFX mod box I purchased on the Bay way back when he was making them.

The mod box also provides a switched patch connection (x4) to assist in triggering bends on my Diabolical Devices bent Casio SK-8 as they dont have a switch matrix on the patch bay like the Tablebeast bent Casio SK-1 and SK-5.

The 3XFX mod box features two LEDicles from Bleep Labs which are controlled by 555 timers and the large dial pots on the box for speed. The LEDicles are also able to be triggered by the pushbutton switch for each.
Each LEDicle has an Opto-sensor below it on the box which is tied to the two rca points below each sensor for resistance bending. Then the 4 way switch matrix for rca bend points on the Casio's.

Korg ER-1 mkII and Korg ES-1 mkII providing back up for the Casio SK-1 bent by Tablebeast.

Just a video showcasing the 3XFX mod box and some experimenting. Enjoy!!!"

Diabolical Devices (Class A) (RSS)

CASIO SK-1 SK-5 SK-8

YouTube Uploaded by ISOTROPOSPHERE on Jun 6, 2011

"THE PLEASANT SPACESHIP

This is quite bass heavy and best suited for a system that has a sub or for use with headphones.

Featuring the Tablebeast circuit bent Casio Sk-1 (middle), Sk-5 (left, far end), and the Concertmate 800 bent by Diabolical Devices (right, close end).

Pretty cool sounds from these little sampling wonders. No samples here being used, just bent connections on the stock sounds. Notice at the end of the video I switch the Concertmate 800 back to the Guitar patch it started out as. Bent fun, get yours today!!!"

Casio SK-5 Sampling Keyboard PCM Synthesizer

via this auction
"Casio SK-5 specifications
Presets
Preset tones/samples: 8 preset keyboard sounds, including
Piano
Vibraphone
Dog
Surf
Trumpet
Pipe organ
Chorus
Flute
Built-in samples: 4 (high conga, low conga, lion, laser gun)
Envelopes
Piano/guitar damped tone (slow decay)
Long release (slower decay)
Reverb (some sustain after decay)
Slow attack (slow initial volume increase)
Tremolo I (fade out with some vibrato)
Tremolo II (slight vibrato)
Auto-rhythms: 10 (rock, disco, 16 beat, march, bossa nova, samba, slow rock, waltz)
Demonstration tunes
Picnic
Turkish March
Clair de Lune
Eine kleine Nachtmusik
Surprise symphony
Jingle Bells
American patrol

Sampling and playback
Sampling rate: 8-bit, 9.38 kHz
Tuning control: ±30 cents
Built-in speaker: 8 cm diamter / 1 watt output
Inputs: microphone jack (1/4th inch), line-in minijack (1/8th inch)
Outputs: audio-out minijack (1/8th inch)
Power
Auto power off time: 7 minutes since last operation
Power: 5 AA batteries or 7.5 volt negative tip polarity AC adapter
Power consumption: 1.8 watts"

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CASIO SK-1 Sampling Keyboard (1985)

RetroSound

"My first Sampler. The CASIO SK-1 from the year 1985. The beginning of all.
So much memories. So much fun!

Polyphony: 4 notes
8-bit sampling 1,4 sec., 9,35 kHz frequency, loop function
additive synthesis (harmonics (16', 8', 5 1/3', 4', 2 2/3', 2', 1 3/5', 1 1/3', 1')
13 type-presets EG ready to go for all syntheses with settings of attack, sustain and release combinations
ROM: 8 PCM sounds, 11 rhythms (256 kb ROM)
Sequencer Memory: 400 events, 3 tracks
2x Solo Mode, Chord Mode
Vibrato, Portamento

Demo Track:
all sounds: Casio SK-1 Sampling Keyboard (1985)
drums: Casio SK-1 Sampling Keyboard (1985)
recording: multi-track without MIDI, played by hand
fx: reverb

RetroSound synthesizer demo videos since january 2007.
All is for free. If you like my work, so can you support me with a donation or a purchase of my synth shirts or music albums. Thank you!

RetroSound Merch Shop: https://teespring.com/de/stores/retro...
RetroSound Home: https://retrosound72.wixsite.com/home"

Midnight Express, Casio SK 5

YouTube via farmyfarm | April 15, 2009

"The poor Casio SK-5 just doesn't get played on You Tube the way it was intended. I dont mind circuit bending mind you, I just thought I'd put up a vid that showcases the SK in all its intended. cheezy glory. This is a real quick demo doing a speedy rendition of Moroders' Midnight Express theme. Enjoy."

Custom circuit bent machine with Casio SK-5 etc.

YouTube via thenervoussquirrel
"This project was commissioned by Joe Henson, who specified that it should make as many strange noises as possible. After a few of meetings involving beer and a sketchbook, the plans were made for a machine that eventually included the following:

Modified Neurosmith Musini
Modified Casio SA-2
Casio SK-5 with 24 patch points, separate instrument/drum pitch control and assignable joystick
Modified talking toy educational computer
Patchable modulation section
1950s panel meter connected to audio out (funkyness indicator)
More details at www.nervoussquirrel.com, and please get in touch if you'd like to discuss a new project!"

(1 PCS) Highly Liquid UMR2 Universal Midi Retrofit Board for Matrix Keyboards

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

via this auction

"The UMR2 can be used to add MIDI input and output functionality to a wide range of non-velocitysensitive keyboards.

These keyboards include the Casio SK-1, Casio SK-5, Casio SK-8, Roland Juno 6, Korg Polysix, Korg Poly-61, Yamaha CS-01, Yamaha VSS-30, Yamaha VSS-100, Yamaha VSS-200 ...

Matte black PCB, gold finish and high quality components."