Those wonderful demo songs... also, my current collection

YouTube via frostedminipete
"* = circuit bent [at time of upload, not filming]
** = will be circuit bent [at time of upload, not filming]
Casio PT-1
Casio PT-10*
Casio PT-50
Casio PT-80
Casio PT-100 x2*
Casio MT-55*
Casio MT-205*
Casio SK-1
Casio SA-8*
Casio SA-2*
Yamaha QY-100 midi sequencer
Yamaha PSS-80 **
Yamaha PS-200 *
Yamaha PSR-77
Speak & Read *
Speak & Spell *
Speak & Math **
Hing Hon EK-001 x3* *
Geosafari traveller *
Wuv luv toy *
Discovery Kids drum pads *
Magnus Chord organ
Mini kids keyboards
E-mu Xboard 49 midi controller
Toy electronic guitar **"

CASIO PT-50 by S-CAT

YouTube via PHONICPOTION — April 29, 2010 — "CIRCUIT BENT WITH 10 MODIFICATIONS, Audio recorded via external mic on camera."
S-CAT on Ebay

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Gieskes DEP2b video #1

YouTube Published on Apr 25, 2012 by ggijs

"0:00 Sample loop mode, with Casio PT-50
0:39 Pitch shift arpegio mode, with Paul hamer guitar
1:15 Sample loop time stretch mode, with Paul hamer guitar
2:09 Various modes, with Casio PT-50 drum loop"

X1L3 Modified / Circuit Bent Casio PT-50 Synthesizer With MIDI

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

via this auction

"X1L3 Modified / Circuit Bent Casio PT-50 Synthesizer With MIDI. Professionally modded. Ultra rare - only a few ever made. Works great."

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RC CIRCUIT BENT CASIO PT-50 SYNTH KEYBOARD

YouTube via djwidow420

"MODIFIED VINTAGE CASIO PT-50 WITH 11 MODIFICATIONS FOR EXTREME MODULATION BY RESONANCE CIRCUITS"

UVI Introduces Synth Anthology 4

video uploads by UVI

Note the above is a playlist featuring 4 videos. You can use the player controls to skip through them or just watch them all in order.

Details on Synth Anthology 4 follow:

The authentic sound of 200 synthesizers, from vintage to modern
4,000+ presets and layers deliver incredible sound with hardware soul
Feature-packed dual-layer engine with fx, arpeggiator and more

Synth Anthology 4 - A Synthesizer Tour de Force
https://www.uvi.net/synth-anthology-4

Rebuilt from the ground-up, Synth Anthology 4 now features the authentic hardware sound of 200 vintage and modern synthesizers, a fully redesigned engine with powerful features, fx, arpeggiator, smart sound suggestion engine, native MPE support, and more.
A dreamlike collection!

Also included in SonicPass ➡️ https://www.uvi.net/sonicpass

Video credits: Anthony Hak
Music Credits: Théo & Thomas

"The Best Keeps Getting Better

What's new in version 4?

Almost everything!
We've rebuilt the engine from the ground-up, added more synths, more presets, more effects, more filters, more modulation, a dedicated browser, a second fully-customizable layer for creating hybrid and blended timbres, an all-new smart suggestion engine that helps you quickly find similar sounds, a more powerful arpeggiator/phraser, bus effects, native MPE support, and more!

Real Hardware Sounds There is something unmistakable about the sound of a real hardware synth, from subtle differences between voice circuits and drift to the varied way filters bite into the sound; there's a distinct character and energy. Synth Anthology 4 delivers the authentic and uncompromising hardware sound with all the conveniences of a modern software instrument.

Every piece of hardware represents a unique creative vision, sonic character, innovations, and strengths. Whatever you're looking for, from analog to digital, vintage classic to future classic, you will find it here. Synth Anthology 4 delivers an incredible collection of hardware, every major manufacturer, every type of synthesis, every era, 200 synthesizers in all.

You won't find a more complete collection anywhere else."

The list:

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X1L3 - circuit bent Casio PT-50 with midi retrofit - C64 Knuckle Busters theme

Published on Dec 29, 2017 manufacturedZ3R0

"Robots and casiotones. Casio PT50 with midi retrofit doing a by ear interpretation of a section of the in game tune from the Commodore 64 game Knuckle Busters, written by the brilliant Rob Hubbard.

Midi is coming in from reason and filter cutoff is being controlled by a diy build of a yarns midi to cv module in the eurorack, also taking in midi from reason from the modwheel to generate the filter sweep cv for the casio.

A fairly straightforward lead part taken on by the PT50 for most of it. It then draws to a close with the ruiner/ringmod coming into play to generate discord. There's a delay fitted to the PT which is used subtly to warm the casiotones.

For sale at:
http://www.x1l3.bigcartel.com/"

Casio PT-50 by S-CAT.

Published on Jan 21, 2014 PHONIC POTION·464 videos

"Circuit bent with two additional control panels. This unit has the exact same controls as our upright PT-50."

S-CAT on eBay

CASIO ROM PACK RO-201 and RO-551

flickr by By rocka.
(click for more)

RO-201: FUN WITH YOUR CASIO KEYBOARD

RO-551: WORLD SONGS

via this auction for a Casio PT-50, also on MATRIXSYNTH-B.

S-CAT (0893) CIRCUIT BENT CASIO PT-50 / 12-Mod Upright Synthesizer

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

via this auction

You can find a video of one at the auction or previously posted here.

"1 2 - M O D I F I C A T I O N S

1. Kick/Tom mute
2. Snare mute
3. Hat mute
4. Kick/Tom boost
5. Snare boost
6/7. Hat short/long
8. Balance accomp./Rhythm
9. Chord ring
10. Voice/accomp. fuzz
11. Accomp. lofi
12. Master pitch

O R I G I N A L F E A T U R E S
Extensive Casio chord section
ROM pack
16 preset rhythms
8 voices
Tempo
Rhythm volume
Main volume
Accompaniment volume
One key play
Fill
Transpose
Melody and chord sequencer"

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Modified Casio PT-50 by X1L3 | Circuit Bending

Published on Mar 14, 2019 Nostalgic Ruckus

"Modifications: On board resonant filter and delay. Different bend points including pitch with sections called ruiner and damage. Also has drum mutes. The drum beat at the end is the Casio preset rhythm '16 beat'."

Casio ROM Collection

flickr By kyosho collector

"Most of my current ROM pack collection, including my MT-820 and PT-80. Not shown are my MT-800 or PT-82. Still want to add a PT-50 to my collection some day."

Casio PT-50 by S-CAT

YouTube via PHONICPOTION | January 17, 2011 |

"Circuit bent with 11 modifications."

S-CAT on eBay

Casio PT-50 (Upright) by S-CAT.

Published on Oct 1, 2013 PHONICPOTION·450 videos

S-CAT on eBay (RSS)

"Circuit bent with 12 modifications and a new wooden framework. (Machine no. 0752)

RHYTHM CONTROLS

1. Kick/Toms Mute
2. Snare Mute
3. Hats Mute
4. Kick/Tom Boost
5. Snare Boost
6. & 7. Hats Short / Normal / Long
8. Rhythm/Accompaniment Balance

ACCOMPANIMENT & VOICE CONTROLS

9. Chord Ring
10. Voice & Accompaniment Fuzz
11. Accompaniment Lo-Fi

MASTER CONTROLS

12. Pitch Modulation"

S-CAT (0844) CIRCUIT BENT CASIO PT-50 / 12-Mod Upright Synthesizer

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

via this auction

Demo video & specs previously posted here.

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S-CAT (0923) CIRCUIT BENT CASIO PT-50 / 12-Mod Upright Synthesizer

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

via this auction

"UNIQUE S-CAT USER INTERFACE

S O L I D O A K F R A M E W O R K A D D E D

F O R T H A T R E T R O S T Y L E

1 2 - M O D I F I C A T I O N S

1. Kick/Tom mute
2. Snare mute
3. Hat mute
4. Kick/Tom boost
5. Snare boost
6/7. Hat short/long
8. Balance accomp./Rhythm
9. Chord ring
10. Voice/accomp. fuzz
11. Accomp. lofi
12. Master pitch"

You can find a couple of videos here.

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Vintage Casio PT-50 31-Key Mini Synthesizer w/ 9 ROM Packs and Case

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

via this auction

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CASIO PT-50 by S-CAT (Circuit Bent)

Published on Oct 22, 2012 by PHONICPOTION

"Circuit bent with 12 modifications"

S-CAT on eBay

1983 CASIO PT-50 w/ ROM Pack RO-201

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

via this auction

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Circuit bent Casio PT-50 by S-Cat.

Published on Dec 9, 2013 PHONICPOTION·459 videos

"Hand built framework and additional panel design for the modifications."

S-CAT on eBay