Rare AVP Synth PolyRhythm

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You can find demos of one in previous posts here.

"AVP PolyRhythm dual analog filter + phaser. These are extremely rare as only 20 were ever made. It has two VCFs: Polivoks filter and Ritm-2 filter. It uses authentic Soviet components and circuity in accordance with well-known Soviet synthesizers, produced in USSR back in the 80's and 90's. The Polyvoks has low-pass and band-pass with one input and two outputs (one for each filter) and the Ritm-2 has low-pass with one input and one output. It has an internal LFO and CV inputs for both sides.

One pot was replaced by a certified synthesizer repair store after I accidentally broke it trying to pull off a KickDisk. The replacement pot is the same value and taper as the original.

Power supply included! (For areas of the world with 120V mains)


Specs:
Method of signal processing: analog;
Voltage Controlled Filters (VCF): two types — POLY (Polivoks filter) and RHYTHM (Ritm-2 filter);
The low frequency oscillator (LFO): one — triangle;
Audio inputs: two — mono jack socket for 6.3mm;
Audio outputs: three — mono jack socket for 6.3mm;
CV inputs: two — mono jack socket for 6.3mm — 0V to +10V for Poly and -10V to +10V for Ritm-2;
Controls: 8 knobs, 5 switches;
Power requirement: 12V AC @ 400 mA;
Hard plastic black case;
Weight: 1kg;
Dimensions: L13,5 x W18,5 x H5,5 (cm);"

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VG-Line RITM-2 Analog Monosynth SN R2RU0037

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electricmusicfox · Demo VG-Line RITM-2

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"The Ritm-2 synthesizer made by VG-Line is a direct recreation of the ’80s Soviet one-osc monophonic analogue synthesizer, РИТМ-2 also known as Ritm Dva or Rhythm-2, in a form of small-sized desktop module, which can be controlled via MIDI or CV/Gate."

You can find additional details and video demos in previous posts here.

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RITM-2 Vintage Rare Soviet Analog Synth

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"Portable Analog Synthesizer from 80's – Soviet-Russian clone of Minimoog, it has 1-OSC (plus sub OSC), 1LFO, 2 ADSR and more.

This item serial N/6655 made in october 1989

With Original Manual&Schemes (on Russian)

This Item In Very Good Working and Good Visual condition (there are some scratches on the face-panel) Please look ACTUAL fotos below.

Specifications:
• subtractive analog synth, manufactured from 1982 till 1990 by the Kirov radio plant in the former Soviet Union.

• 32-note (F-C) 1 - VCO monophonic synth..

• Neat little synth with a mix of knobs and sliders. Sprung pitch-bend wheel; modulation slider.

• Portamento / glissando; LFO - Saw, Triangle or Random.

• VCO: three waveforms; noise; VCF with resonance, switchable key follow. Two ADSRs.

• OUTPUT with 5-pin Din ( connection mono-cable 5-pin-1/4' jack - INCLUDE! )

• power wire connection (220/240V) fuse (0,5A) .

!!!The supply voltage - 220-240V/50Hz. For 110/127V, a voltage converter is necessary!!!"

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Ritm 1 Soviet Analog Organ Synthesizer

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"Ritm-1 is a solid keyboard organ manufactured by the Kirov Factory, having a 5-octave keyboard providing the possibility of split sounds of the right and the left sections, a built-in rhytm box and the function of auto accompaniment with various styles.
The instrument can play organ sounds, string and imitation of wind instruments, also a percussion click.
Different registers are provided for variation of organ sounds, basses, accompaniment, etc; balance level between parts section and adjust of other sound modes is also provided for.
Among the effects delivered by Ritm-a are frequency, vibrato, tremolo, percussion and sustain.
The organ is placed into a wood hard case; the weight is about 30 kg.
Functions of the accompaniment section:
- Styles: Waltz, Swing, Rumba, Samba, Bossanova, Foxtrot, Rhythm-and-Blues
- Rhytm start, bass level, Volume, Tempo
- Start knobs: keyboard, auto
-Accompaniment;: tone, percussion

The section of balance and levels:
-Left manual and bass: 16',8',4',+ 2'2/3 + 2' +1', accompaniment/left manual
-Right manual: 16',8',4', 2'2/3, 2', 1'; balance percussion/accompaniment
Section of percussion, additional sounds and effects:
- Bass, solo, alto, oboe, trumpet, violin; 16', 8', 4', 2'2/3, 2',1'; perc/tremolo on, glide
-Effects: balance perc/tremolo, vibrato frequency and depth, percussion depth, tremolo freq, sustain"

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RITM-2 With MIDI Soviet Analog Synthesizer Moog Rogue Clone USSR

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"Vintage analog synthesizer with MIDI.

Synth specs: LFO, VCO, Mixer, Noise, Filter, Contour Generator, VCF, VCA, Pitch."

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AVP Synth MAD-5 MIDI Analog Drums Now Available

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Uploaded on Dec 8, 2016 AVP Synth

You can find previous posts including video of the MAD-5 here.

Limited run of max. 200 units
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"AVP Synth is a Russian brand manufacturing synthesizers and drum machines, as well as other audio related products.

AVP Synth official website

​MAD-5 — MIDI Analog Drum synthesizer. Is an analog drum synthesizer which is inspired by the sounds of the 20th century soviet drum machines while having the flexibility, MIDI control and compact package of the 21st century. We tried to make it as raw sounding as possible compared to a lot of drum machines produced these days. The circuit is based on our own design which makes MAD-5 a quite unique piece of gear.
Limited run of max. 200 units!

Read the manual HERE

Specification
- ​The method of synthesis: 100% analog synthesis;
- Drum instruments: five (bass drum, snare drum, open hat, close hat, clap);
- Noise Generators: four (for snare drum, open hat, close hat and clap);
- MIDI interface: MIDI In, 16 channels (Midi learn);
- Audio outputs: one mix output (mono 6.3mm jack) and five individual outputs (mono 6.3mm jack);
- Controls: 22 knobs, 1 switch and 1 button;
- External power supply: adapter 220v-15 VAC (included)
- Plastic black case;
- Weight: 1 kg;
- Dimensions: L13,5 x W18,5 x H5,5 (cm);
- Voltage: 220V, voltage transformer is needed if you live in an area with 110V standard!"

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RITM-2 RARE COLLECTIBLE VINTAGE USSR SOVIET ANALOG SYNTHESIZER

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"Elektronika EM-26 portable vocoder is intended for synthesis the voice or external signals, has internal strings ton-generator, analyzer-synthesizer, modulations and vocoder effects. Control panel include 4 sections: VIBRATO, VOCODER, STRINGS and LEVEL, also it has a panel real time transpose and other controls.

VIBRATO section has sliders - accent, depth and rate VOCODER - chorus knobs (on, mode), mic/vocoder level STRINGS - on/off, level, violin/cello, sustain LEVEL - mic, line A, line C Keyboard PANEL: main level, pitch, interval, octave, pitch bend

CONNECTION (1/4 jack): mic in, line A,C, phones, output, pedal, power."

SN 1640

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Gold Face RITM-2 VINTAGE USSR SOVIET ANALOG SYNTHESIZER w/ MIDI

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The listing description matches this black one including the serial number. The back plate scuffs match as well. Not sure why this one is gold faced and the other black. If anyone knows fee free to comment.

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RITM-2 - RARE VINTAGE SOVIET ANALOG SYNTHESIZER

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RITM-2 VINTAGE USSR SOVIET ANALOG SYNTHESIZER SN 8614 ICIO - 2955330

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RITM-2 - RARE VINTAGE SOVIET ANALOG SYNTHESIZER

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Control panel parameter translation below.

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RITM-2 Vintage Soviet Mono Synthesizer w/ MIDI

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"Vintage mono analog Russian synthesizer in great condition, all functions work with the exception of the lower E flat key having intermittent issues with sticking and likely can be remedied by service on the key action. In addition, all of the controls work but the switches are tight to move and could be adjusted / loosened. In addition, MIDI has been installed on the synthesizer with the details below. To note, power is 220V but can easily be used at 110v with a simple step up / down converter. Thanks!

MIDI INTERFACE INSTALLED: - Adds MIDI IN connector - MIDI LEARN button for fast and easy active midi channel selection - NOTE SCALE CHANGE switch (in MIDI mode for arpeggios)"

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RITM 2 Soviet Synthesizer Demo

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Published on Feb 16, 2015 rundgren80

"Just a few notes. Through an old Made in Taiwan analog echo and into my stereo."

And some pics via this auction

There are some of the inside below. Check out the easy access to the keyboard section.

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Silver Face Ritm 2 Analog Soviet Synthesizer

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Ritm 2 Rhythm Raw Rare Analog Soviet Synthesizer

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