MAESTRO VINTAGE SOVIET POLY SYNTHESIZER

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"Keyboard electronic musical instrument "Maestro" is a portable polyphonic four-voiced analog\digital hybrid synthesizer with microprocessor control (KR-580) & programmed timbres "presets". Number of presets - 20. There is possibility to get vibrato frequency with depth & frequency control. This instrument includes "chorus" effect with depth control, filter with cut-off frequency & resonance control. There are also "arpeggio-tremolo" arrangement with speed control and joystick that pitch shifts & vibrato depth controls. It is the first soviet synth with microprocessor inside. Maestro synthesizer was produced in 80s on Kachkanar military radio plant on the same factory where well known Polivoks synth was produced. Synth has nice compact design. Some waveforms feed to analog filter with resonance. Arpeggiator has memory of key's order. The synth is polyphonic, you can play 4 voices at one time. LFO can modulate pitch by triangle waveform. There are controls of modulation speed and amount of pitch modulation. The synth is very rare! Due to it`s original architecture can produce very interesting sounds that can be used in any kind of music (check the Demo section). Comes with a full factory set in perfect mint condition!"

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Modular Jam

Modular Jam from ignacio dacio on Vimeo.
Playing with the Eurorack system

(iPhone video, sorry for the sound quality)

:)

via Ignacio Dacio on The MATRIXSYNTH Lounge

Roland RE-501 restoration

Published on Sep 27, 2012 by Biyi Amez

"Aqui, mi ultimo trabajito de restauración completa del Roland RE-501.Bestia parda!!!"

Great video of the moving tape. No mention on what's being run through it.

Fatman Analog Synth and AudioCubes Improvisor Jam

Published on Sep 27, 2012 by Percussa

"Paia Fatman analog bass synth controlled by Percussa AudioCubes and Free Improvisor software for generative bass lines ... see http://land.percussa.com/audiocubes-improvisor/ ... Improvisor sends MIDI to the Fatman and Improvisor is controlled by AudioCubes."

Portland Synth Meet set for November 20

Details here.

1978 Roland JP-4 Ad

via Retro Synth Ads where you'll find the full write-up including a couple of videos.

"Roland JP-4 synthesizer "Introducing the new standard..." full-page black and white advertisement from page 55 in the November 1978 issue of Contemporary Keyboard."

Protototype Polymoog Polypreset Surfaces

Note: Auction links are affiliate links for which the site may be compensated. The prototype Polymoog featured in this previous post is now up for auction here. 

"The auction is for an, are you ready for this? An early Moog, Polymoog, prototype. Likely the only one known to exist. It is named the Polypreset. Likely an early version of the Polymoog keyboard, the 280a. It is a killer piece. Filled with breadboards and point to point wiring. Fundamentally quite different than the 280A. In its current state it does not power up. The power supply is bad. But when hooked up to another power supply it comes to life. As you see in one of the pics. I have the secondary power supply hooked up. If you looks closely at the pics. You can see some of the LED's glowing. I do not think the current power supply is completely shot. As the piece does emit a hum from an amp when it is hooked up. I just think it needs cap work. I did not want to change any parts, in this piece of history. As for what works and what doesn't. I got 4 of the voices to work. And about two thirds of the keys. The middle section of keys. Does not work. Likely and issue with power to the center motherboard. Either way. This piece represents a time in the development of the Polymoog. And any Moog thereafter. It was hand built. It has a label on the back. Property of Marianne Marchese. Wife of the late Anthony Marchese. Who was head engineer at Moog through many a project. This Moog was found with a large lot of Moog gear. Which I will be listing as I go through it. If you are a fan of Moog gear from this era. You should check my auctions in the future..."

Roland SH7 Analogue Synthesizer

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sir_analog (RSS)


"The SH7 was launched by Roland in 1978 as their flagship monosynth (although duophonic).

Incorporating the filter from the Roland System 700 and offering a wealth of features, it stands as one of the iconic Roland monosynths. This is due to its oscillator power/flexibility, modulation options, punchy envelopes and sound processing capability."

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Roland System 101 SN 602487 + 102 SN 661555

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sir_analog (RSS)

"Overall, the synth is in excellent working condition. It has been fully tested and serviced prior to sale by my synth tech and is 100% working..."

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SEQUENTIAL CIRCUITS POLY SEQUENCER

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"THIS AUCTION IS FOR A POLY SEQUENCER FROM SEQUENTIAL CIRCUITS INC. INTENDED FOR USE WITH PROPHET 5. CHECK YOUR REVISION TO KNOW IF YOU CAN USE IT..."