Vintage 1970's Univox KORG K-2 Analog Synth SN 00164

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"This is a once in a lifetime find. A vintage 1970's Univox K-2 Analog Synthesizer. Keys are all in perfect shape, all knobs are in perfect shape with none missing. In fact, the only things really keeping this from being in truly "mint" shape would be that it's missing the "Mini-Korg" badge from the top, and the wood sides have some very light scratching. This is most likely one of the nicest condition K2's in existence. I've taken TONS of high resolution pictures so please take a look and judge the condition for yourself!

This thing is seriously amazing. The amount of different sounds, effects, bass and lead tones this can create are incredible. 37-key synth with all sorts of effects including different wave patterns - sine, square, saw and two chorus waves. Switches include expand, bright, sustain, bender, repeat, vibrato, delay vibrato and portamento. Attack and decay (percussion) sliders as well as traveler (envelope / wah effect). Main top selector has 6 different effects - duet, modulator 1, modulator 2, modulator 3, noise 1 and noise 2. The two sliders control the volume and balance of the effects, and the three switches turn the effects on, enable super-long sustain tones and vibrato.

The most important thing is this keyboard sounds as good as it looks. All functions have been checked and work like they're supposed to. All sliders have been cleaned and sound scratch-free. All dials and knobs are original and none are missing. None of the keys have been broken or fixed. Even the paint shows hardly any wear! This is truly in outstanding condition - you won't be disappointed.

This is an incredibly rare keyboard and even more so in this shape! Last one of these listed on ebay sold for $800 and was in nowhere near as good a condition as this one."

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Korg 770 Synthesizer SN 760075

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"perfect working order -fully functional -it´s pretty rare to find one these days. Korg 77O specifications: 2oscilators,LP,HP filter,Ring modulator,White,pink noise,audio in,chorus...Very raw sound. Like you see ,there is missing a wood side panels. All of knobs and switchs is there and works perfectly. There is some minor wear to the unit.The sheet above is a little bit creased -see photo. Serial number -760075"

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Oberheim SEM with Patchpanel

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"Includes original Oberheim box and inner box padding. Also includes adapter and you will get all of my 1/8" to 1/8" cables (rough estimate 5-10). (without Tom Oberheim autograph) (No instruction booklet included but it is extremely easy to download for free on the internet) Absolutely no signs of wear!"

Micromoog Moog signed by Bob Moog with MIDI In

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"The Micromoog is instrument with superb Moog sound.Very full sound -one of the best Moogs.

Signed by Bob Moog in late 70- nice signature in gold colour. It´s rare memory of sympathetic Bob Moog

The Micro is modified -Midi in instead of S-Trig out -works perfectly.There is a little switch on the right side of rear panel -in one possition is LFO speed fixed in one speed,in second possition is LFO in full working order..."

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Kawai K5000S Advanced Additive Synthesizer SN 929898

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"Comes with ac power cable, manual in pdf. on cd, and audio/midi cables. The extras are 1000's of sounds from the net and my library which are grouped on cd and on HD Floppy as you can see in the pics."

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Vermona Mono Lancet Monophonic Analog Synthesizer SN D07202

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"True greatness comes from within! The Mono Lancet is a compact synthesizer with a big sound, with an uncomplicated user interface and lots of charm.

Oscillators
Two analogue oscillators ensure a solid sound foundation. Oscillator one creates triangle-, sawtooth- and square waves and can be set one octave lower than the second oscillator. The latter produces white noise instead of the triangle wave.
The pulse width can be modulated via the modulation wheel (MIDI) and/or an external control voltage source (see “Extension”). The glide generator has a legato mode or (alternatively) can remain permanently active.

Filter
The voltage controlled lowpass filter has a slope of 24db per octave. On high resonance settings it self-oscillates, producing a stable sine wave that can be played in a range of about 2 ½ octaves. Using MIDI the cutoff frequency can be controlled by velocity and/or aftertouch.

Amplifier
There’s a strong VCA inside the Mono Lancet that can be modulated by the ADSR or a fixed organ-like envelope. On demand it can additionally respond to velocity.

Modulation
The classical ADSR envelope generator can modulate the VCO- and VCF frequency and the VCA. The LFO offers rectangle and triangle as well as sample & hold and is a modulation source for VCF and VCO.

Extension
There’s a 25pin sub-D connector on the rear of the Mono Lancet. The optional “Mono Lancet Modular Dock” widens the potential of the synthesizer enormously through numerous in- and outputs for control voltages and audio signals. PWM and filter inputs are just two of these.

Technical Specifications

VCO1
Waveform: Square, Sawtooth, Triangle
Octave: 8’, 16’, 32’

VCO2
Waveform: Square, Sawtooth, White Noise
Octave: 4’, 8’, 16
Detune +/- 7 semitones

VCO1 & 2
controller for LFO intensity
controller for EG intensity (+/-)
Glide (legato mode or always active)
MIX controller
PWM via MIDI (modulation wheel)
Mastertube +/- 1 tone

VCF
24 dB/octave lowpass filter
resonance can be played over a range of 2 1/2 octaves
controller for EG intensity (+/-)
Keytrack: Off, 50%, 100%

VCA
Mode: EG, GATE envelope, ON

LFO
Waveform: Square, Triangle, Sample & Hold
Frequency range: ca. 0,05 Hz – 250 Hz

Envelope Generator
Attack, Decay, Sustain, Release

MIDI Interface
note on/off
Pitch Bender on/off (CC 84) - affects VCO pitch (+/- 4 tones)
Modulation Wheel on/off (CC 85) - affects pulse width of the VCOs
Aftertouch on/off (CC 86) - affects cutoff frequency
Velocity on/off (CC 87) - affects VCA
Velocity can additionally be set to cutoff frequency (CC 88)
Glide-Switch on/off (CC 89) - glide only works when playing legato
Legato on/off (CC 90) - envelope will not be retriggered when playing legato"

Fun on a sunday - Con Moerenhout

YouTube Published on Aug 12, 2012 by conmoerenhout111

"Using my software Komplete 7 Elements, my Micro Korg and my Yamaha E233."

https://www.youtube.com/user/conmoerenhout111/videos

Synthing on a grass pad (Clavia Nord Modular G2)

YouTube Published on Aug 12, 2012 by GruithuisenCityMan

"Hello ! My name is Frederic Gerchambeau. I have made this movie and this music. The music has been made in one take using a Clavia Nord Modular G2. Enjoy !"

Lamay Music Synth DIY

This one in via Wen: "Just found this facebook page for lamay music's DIY synths and thought maybe you'd want to share it so more people can join the page. this man has been building quality DIY synths for years.

his latest build is the MFOS Sound Lab Mark II"

You can find his items for sale on eBay here.

AM8075SE Athena VCF

AM8075SE Athena VCF Demo by AMSynths
via AMSynths
"Back in the 2004 I replicated the ARP 4075 VCF module using exactly the same design and sold a few PCB's to customers as the AM4075. I also licensed the design to Bananalogue, and you can still buy these modules on eBay all these years later. The licensing deal enabled me to buy a new PC and greatly speeded up my design work, which is all done in Eagle CAD. Whilst the filter sounded good, I wanted to improve and simplfy the design when I started up AMSynths. I also wanted to use slider potentiometers and introduce a HPF - the idea of a Special Edition version (SE) was born.

Athena The AM8075SE filter is the first module to be launched as part of a complete modular analog monosynth. VCO, VCA, ADSR etc will all follow. Athena is the greek god of inspiration.

The Special Edition At the end of 2011 I had a new prototype on the test bench, implemented with matched transistor pairs, reworked LM3900 power supply and cut out the rejection trimming circuit as this was no longer needed with matched transistors. Op Amp buffers before and after the filter core were added, as the one complaint from the original AM4075 was that it was rather quiet as it had no buffer circuits and worked best on 10V audio signals.

I added a 1-pole high pass filter based on the classic Roland OTA circuit rather than the awful design in the Odyssey. Slider potentiometers are used through out and after some adjustments to work on 12V power the VCF sounds fantastic! The matched arrays make a great improvement along with using high quality filter capacitors. The slider caps are the same as in the Odyssey Mark 1 and 2, and they will appear through out the Athena synthesizer (and yes I do have pink caps!).

The moudle went into production in July 2012 and the first batch sold out quickly. Further batches will be manufactured, as there are no rare parts to find.

AMSynths Panel The panel is professionally manufactured in 1.6mm thick alumnium in Germany with black lettering. The module is EuroRack sized and fully compatible with many other EuroRack modular synthesizer systems such as Doepfer."