Analogue Solutions Leipzig V3 Desktop Analog Synthesizer

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via this listing

Additional Perfect Circuit listings

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Ensoniq Fizmo Transwave Digital Synthesizer

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via this listing

"Unit has upgraded voltage regulator with cap mods to insure long life.

Comes with power supply and USB memory stick including manual, adverts, and many extra patches."

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ARP Omni-2 with Aftertouch + S&H Mod

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video upload by New England Analog Archives

Note this demo is from 7 years ago.

"This video features an ARP Omni 2 synthesizer that has been modified with a custom LFO expander daughterboard. The PCB comes assembled and measures 2.7 x 3.2 cm.
This upgrade is simple to install, and it provides the LFO with 2 additional waveforms. A 3-position toggle switch controls the waveform selection. An adhesive-backed overlay decal is provided with the kit. The switch will allow sine, square, and random LFO waveforms to be selected. Kit includes instructions for expanding the range of Omni 2 VCF so that it can self-oscillate. This modification greatly expands the sonic possibilities of the ARP Omni. This kit will work on ARP Omni 1 as well. It can also be used to add an auxiliary sample and hold waveform to ARP Axxe, Odyssey, and Quadra LFOs."

via this listing

"The unit has been well maintained and has had the following work/mods done:

Replaced the noisy ARP power supply with a Power One linear supply

Unit was completely recapped in 2015.

All analog ICs and digital ICs were replaced

All sliders removed and restored. All now move smoothly.

Slider caps replaced with new ones.

Pratt Read keyboard bushings replaced in 2015.

Aftertouch added to the keyboard.

Aftertouch amount is routed to the ACC/PEDAL slider. The aftertouch affects the VCF cutoff. Additional waveforms added to the LFO. Originally only had sine LFO. Added square and sample & hold LFO. Sample & hold is the same circuit as ARP Odyssey MK1 S&H. Sounds great. 4075 VCF module recapped and had the cutoff frequency design error corrected. (Originally there was a design error, keeping the cutoff from fully opening up)

The finish on this Omni is not pristine. When I got it, it had been neglected for years after being in storage. Cosmetically, this is a 6/10 as there is evidence of lots of use on the powder coating.

I've attached a video deomonstrating the LFO mod I did to this Omni. The unit in the video is actually this Omni, but I have since removed the LED sliders, since I thought they were annoying."

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Coral Crabs (Buchla Music Easel, Expressive E Osmose)

video upload by PanicGirlVids

"Often when starting to explore the sonic possibilities of an instrument sooner or later a picture comes to mind that fits the sounds I’m designing.

This time I was transported to the sea, with tiny sea creatures helping to create the sounds you’re hearing. Do you also see images when you’re creating or exploring sounds?

Thanks for sticking with me!"

SERGE Mantra II +Tantra

video upload by Serge Modular | Random*Source

"Teo playing the brand new Serge MANTRA II + TANTRA combo."

Sculpting white noise

video upload by sonicLAB

"PolyNodes is sculpting white noise with its Black Hole and Resonator dsp objects."

Jeannie Polyhonic DIY Synthesizer - Wavetable

video upload by Rolf Degen

"Jeannie DIY blog: https://www.sequencer.de/synthesizer/..."

Volca Modular - Advanced Tips & Tricks - Waveshaping, 3rd Envelope, 3rd Oscillator, Source Crosstalk

video upload by ChrisLody

"This video includes so tips, tricks, hacks and patch ideas.

"Here's my original Volca Modular tips and tricks video: [below]

Here's my Volca Modular patch sheets: https://www.dropbox.com/scl/fo/32jz5c...

0:00 Intro
1:23 Waveshaping
2:05 Quick and dirty waveshaping
2:55 Source crosstalk (Mod & Fold controls on modulator source oscillator)
4:40 Mini breadboard idea
5:20 Quick and dirty waveshaping method 2
7:00 Modulator source wonkiness
9:18 Func 2 as saw oscillator
(I should have mentioned here that using the lower CV output socket with nothing connected to the CV socket gives different result which may also be useful)
11:50 Func 2 as pulse oscillator
12:32 Ratio fine control
15:38 3rd Envelope"

Volca Modular - How To Make Square Wave PWM Noise - Advanced Tips & Tricks

video upload by ChrisLody

"Here's a bunch of tips to get a bit more out of the Korg Volca Modular. Using the gate input of Function 1 you can create square, pulse and pwm sounds as well as making shapeable noise and use the woggle at audio rate.

Patch cards for the stages along the way are available here and now include a version with an LFO sent to pulse width that uses a smoothed version of the gate as a simple envelope:

https://www.dropbox.com/sh/l6c592egul..."

Rave Jam with Echo Cinematic and Poly Cinematic and friends

video upload by knobula

"Poly Cinematic sequenced through an Echo Cinematic. The eq on the echo cinematic means there no muddy bass frequencies being repeated and only the brighter notes catch the echo, then there’s a few builds where I’m turning up the band pass frequency on the echo and adding a bit of the reverb in as well. Finished off with some Kickain side chain pump action and percussion provided by @rocket_not wobbler, @endorphin.es Queen of Pentacles and dark pew pews from @busycircuits Taiko Daiko."

RF Diode Dream VCF acid jam 138 breakbeat

video upload by Radical Frequencies Modular

"New clip with Diode Dream Vcf ! 138bpm analog jam. Dpvco square wave goes into RF transistor mixer that goes into Diode Dream Vcf. A modified RD6 is used as drum machine. Listen to this glassy and bubbly resonance how beautiful it sounds especially when there is some fm amount from the vco !"

See the announcement post with additional details here.