ARP Based DIY Synth In the Works from Dan Leuca

via Dan Leuca on Facebook: "videos to follow soon... three Arp 2600 VCOs, thhre different filters (early 2600, early Oddyssey, and later 2600) 2 ADSR, 2 VCAs, 4 inputs mixer, CV controlled spring reverb, white/pink noise, S&H, voltage processor, ring mod, multiples...all 100% Arp...exact PCB traces, etc."

Vintage 1977 Moog Factory Pics by William Beith on Synthesizers.com

You'll find the full set on synthesizers.com here.

Sparks & OMD Inspired Patches on the MicroBrute

microBRUTE- Sparks Tryoutsforthehumanrace Patch


microBRUTE-OMD(messages)Patch


via http://microbrutepatches.blogspot.com

MicroBrute's on eBay | Minibrutes on eBay

7400 Contest Entry - Discrete Logic Drum Machine

Uploaded on Oct 20, 2011 Matt Sarnoff·31 videos

"A 4-channel, 16-step percussion synthesizer/sequencer built with discrete logic: no microcontrollers, no software.

More info and schematics: http://github.com/74hc595/7400-Drum-M...

Photos: http://www.flickr.com/photos/74hc595/...

Follow me on Twitter: http://twitter.com/autorelease"

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LPC1114 Synthesizer

Published on Nov 24, 2013 Matt Sarnoff·31 videos

"A synthesizer with 4 oscillators, a 2-pole multi-mode filter, and MIDI input. Built using an LPC1114 32-bit ARM microcontroller and an MCP4921 12-bit DAC.

Source code and schematics: http://github.com/74hc595/LPC1114-Syn...
Twitter: http://twitter.com/autorelease"

LPC1114 Synthesizer Part 2 - Demonstration

Eowave Magma Bassline Synthesizer

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via this auction

"The Magma is an analogue bassline synthesizer inspired by classical synths from the 1980s. It offers the possibility to mix 4 x different waveforms (saw, square, sub, noise). The 24dB low-pass filter is also inspired from classical filters from the 80s.

To this particular sound of the 80s, Eowave added a touch of modernity with modern controls and parameters saving features. The 16 x steps sequencer has 4 x rows: 1 for the notes and 3 x freely assignable to a parameter of your choice that enables to create living sequences with sonorities like Vince Clark or Yann Hammer.

FEATURES
VCO can be modulated by LFO and PW
Variable glide
Mixer to mix the 4 waveforms
External audio with a trimmer to feed the filter
24dB low pass filter roland style for a classical 80s sound
Filter can be modulated by env2, KB, lfo
VCA is affected to env1
2 x envelopes ADSR modulate respectively the amplitude and the filter
LFO with 8 waveforms (triangle, ramp up, ramp down, square, random, digital noise, staircase up, staircase down)
USB connection (for software update and MIDI I/O)
4 x rows: 1 x row controls gates and notes
3 x other rows are freely assignable to any parameter of the front panel
Swing and shuffle per note, you can transpose the sequencer with an external MIDI keyboard"

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Dave Smith Instruments DSI PolyEvolver Keyboard SN 00976

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via this auction

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Yamaha CS-1x

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via this auction

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Moog Minimoog Model D

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via this auction

"This Minimoog is in perfect working condition
-It was fully disassembled and cleaned inside and out.
-Keyboard contacts were cleaned and this keyboard is performing perfectly - no spastic pitch craziness or re-triggering here.
-Pots are free of crackle
-Recalibrated
-Tested, played, retested, replayed, etc. This Minimoog works great and is a real pleasure to play."

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ARP Odyssey Mk II - Model 2810 - 4035 Filter

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via this auction

"Up for auction is a very interesting ARP Odyssey model 2810. This vintage synthesizer appears to be one of the first 2810’s made by ARP. It appears to be a factory prototype of the 2810 as the internal serial number engraved into it is 2810-015-PT. We believe the “PT” stands for factory prototype. Based on the component date codes we believe this 2810 was built in 1974. The circuit boards are all mark II. This unit has the sought after 4035 filter (the “Moog” filter.)

Although this unit has several external case dings and scraps here and there, it is in fully functional, excellent working condition and plays great. It has just been refurbished and calibrated by Dean here at Five Star Engineering. Dean was ARP factory certified back in 1976 and has worked on hundreds of ARP Odysseys over the years.

The back portion of the plastic casing has been cut as pictured (ears clipped.) All that was left of the external serial number tag before refurbishing was the hardened label gum, so there is no original external serial number tag presently on it.

This synthesizer has had all of its aluminum and tantalum capacitors replaced. It has had all new key bushings properly installed. All of the slide potentiometers have been properly reconditioned, and they slide like new..."

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