MATRIXSYNTH

Circuit bent toy drum machine with synthrotek NAND SYNTH

YouTube via synthrotek | February 16, 2011 |

"http://www.synthrotek.com
A circuit bent polly pockets drum machine, fun project. You can get the kit at our site for the NAND part"

ANALOG MODULAR DRUMS Warm Up.mov

YouTube via VJFranzK | February 16, 2011

Evila Modular Synthesizer

via this auction

bluelantern diy synth

"(2) 'BLUE DEMON' VCO'S WITH: SAW/RAMP/SQUARE/TRANGLE/SINE AND LINEAR,FM,SYNC,PWM, AND 1V/OCT CV INPUTS.
(1) MODULAR PORTABLE BI-POLAR POWER SUPPLY WHICH HANGS OFF THE PANEL WITH BUILT IN MULTIPLE CV BUFFER.------>16VAC PWR INPUT(WALLWART) 2.1mm JACK
(1) NOISE GENERATOR : 4 NOISE FLAVORS!
(1) AC MIXER.
(1) LFO WITH S&H AND TAP TEMPO. SAW/RAMP/SQUARE/TRIANGLE/SINE/S&H

(2) ADSR ENVELOPE GENERATORS WITH MANUAL TRIGGER BUTTON.
(1) OB VCF WITH HP/LP/BP OUTS. WITH LINEAR/FM/EXPO CV INPUTS.
(1) MIDI 2 CV CONVERTER WITH (2) PITCH CV OUTS AND (1) GATE OUT, (1) TRIG OUT, (1) CC #100 MIDI --> CV CONTROLLER OUT
(2) JACK TYPE CONVERTERS SO YOU CAN CONNECT TO YOUR MIXER OR AMP.
(2) ATTENUATORS.
THE UNIT IS HOUSED IN AN ALUMINUM SERGE SYNTHESIZER FORMAT BOAT BOX. THE PANEL IS A GOLDEN YELLOW AND WHITE IN COLOR. THE KNOBS ARE BLACK WITH WHITE LINE. THE UNIT COMES WITH (2) 16VAC WALL WART POWER SUPPLIES."

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deans new mixer with analog electronics

YouTube via kofieam3 | October 26, 2010 |

"makie dfx12, akai ax60=memoryboy, korg poly61=analog delay."

Roland 88 Synths - 1973 – 2010

via Das Kraftfuttermischwerk

seizure inducing animated gif below

via Jimmersound and Adam

88 what?

----------------------------- Couldn't find an official video so here you go...

And a Live version - Casio VL-Tone?

Fertisch

YouTube via heidibeerbel | February 16, 2011 | Bratigel

"jetzt neu mit Start/Stop per CV Clock In - ab 5Volt Input stoppt er !"

Squidfanny - Circuit Bent YAMAHA PSS-170 (Feb 2011)

YouTube via squidfanny | February 16, 2011 |
squidfanny on eBay
"FM / GLITCH SYNTHESIZER With loads of modifications.....

Create new sounds by flicking switches and changing instrument patches to create corrupted versions of the original presets.

Metal Touch Point for Drum / Chord Glitching, Clock-Shock Button also for fucking with Chord / Drums, Screaming Phat Feedback Oscillator with Light Sensor for Optical Theramin.
6 x xSwitches to interupt data flow between the machine's processor and FM chip. An additional 4 x Switches for live glitching.
Also added a reset button, 1/4" Jack socket for audio Output and some sweert flashing lights.
Metallic Keys in beautiful Green and Gold."

Yamaha SY77 Demo Song: "Into the City"

YouTube via derekaggs11 | February 16, 2011 |

"Here is a short track I made using only my SY77 and its internal 16 track sequencer. Sounds a lot like my much-missed SQ-80 until you get to the little FM surprise near the end ;)"

Synthanola - Bach Invention's 8 and 13 - Punch Tape Sequencer

YouTube via 256byteram | February 14, 2011 |

"This video demonstrates two paper tapes which play Inventions 8 and 13 by J.S. Bach.

Sorry about the jumpy video. My computer must have been doing something at the time. My hands can't actually move that quickly.

More information at .http://kaput.retroarchive.org/555/"

"It is a three channel music synthesiser, capable of four octaves per chanel. The 555's are used to generate each octave for each voice (or channel). There are twelve 555 timer IC's used for the synthesiser section and two more for tempo control and paper speed. It is sequenced by a Heathkit H-10 paper tape unit and programmed with a 486 PC running QBasic (seriously, it's easier).

There are a few reasons why I chose to use a paper tape machine instead of an EEPROM and counters, or a microcontroller. First, I wanted this project to be made with components available in the 1970's. Also, I think it looks better to have something moving with the music and I'm not a great fan of using IC's with bazillions of transistors in them."

555 Contest Entry - Synthanola

256byteram | February 13, 2011

"This is my 555 Contest (www.555contest.com) entry. It is an analogue synthesiser based on 555 timers, with three channels and four octaves per channel. It is sequenced with either paper tape (as shown) or by any 8-bit interface with suitable flow control.

More details and circuit diagrams at http://kaput.retroarchive.org/555/"