Korg 770 Analog Synthesizer SN 770299

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"Korg 770 Analog Synthesizer from the late 1970’s. The power is USA 117 Volt. This synth is in very good condition. It is 100% functional and in calibration. All functions have been thoroughly tested side by side with another Korg 770. This testing was done to prove proper operation and calibration between two units.

This Korg 770’s circuitry is 100% original and has not been modified or repaired."

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Korg 770 Analog Synthesizer

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"Vintage Korg 770 with Kenton hz/v - gate - filter kit installed. This was just serviced and plays like new for a synth from the 70’s ! There are a few knicks on top and the volume knob is a bit loose but functions just fine."

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Korg 770 Analog Synthesizer

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"Killer 70s mono synth with 2 oscillators. No issues. 110V"

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Korg 770 with Kenton CV/Gate/Filter Mod SN 770934

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"One of the rarer ones in the line up, somewhere between a 700s and an MS-20, featuring the amazing Traveler filter, superb sounding ring mod and very unusual chromatically playable noise.

Imported from Japan in 2018, professionally serviced then and fitted with a Kenton Kit allowing external CV/Gate/Low Pass Cutoff Frequency control, under the Korg standard, so you need a Hz/V (as opposed to 1V/Oct) capable interface, like Kenton boxes, Arturia Keystep, various options in Eurorack...

Great cosmetic condition, no missing metal ring to any of the knobs, which seems to have happened to a lot of those. A noticeable chip to one wood side, otherwise only a few regular micro paint chips and dings, clean example overall.

Great working condition, amazing sound."

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Korg 770 Analog Synthesizer

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"Here's your chance to own this rare historic synth. All knobs, keys, pots and wood-housing is original. Everything has been cleaned and everything is functioning. This thing produces beautifully warm bass and lead sounds. And the ring modulator will take you into some wild sci-fi territories too. Only major blemish is a chipped key (see last photo) key still is fully functional.

The Korg 770 is a monophonic analog synthesizer introduced by Korg in 1976. Based on the same circuitry as the two-VCO version of the Mini-Korg, the 770 offered a more conventional re-packaging, and some control improvements to make the synth more versatile.

VCO 1 offered five choices of waveform, with triangle, sawtooth, square, pulse, and a pulse-width-modulated (rate controlled by an LFO) pulse wave on tap, or an external input could be selected. The VCO included an octave select switch with six settings, including a 64' deep bass setting. VCO 2 produced only a sawtooth wave, or it could be ring modulated against VCO 2, or any of three varieties of noise could be selected. The tuning could be offset from VCO 1. A blend control allowed the user to select the mix of the two signal sources. Other controls at the right side of the panel allowed the user to apply an "auto bend", or vibrato controlled by a dedicated LFO separate from the main LFO. (There were no pitch or mod wheels.)

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Korg 770 Vintage 37 Key Analog Monophonic Synthesizer w/ Orig Dust Cover

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Korg 770 Analog Synthesizer SN 780031

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"A less common, dual osc monophonic gem from Korg. A very cool and flexible little synth. Has the awesome filter ('traveler') from the earlier 700 as well as the “audio in” of the MS-20. This one‘s in great shape and just got a round of maintenance from our in-house techs so is working perfectly."

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Korg 770 Vintage 37 Key Analog Monophonic Synthesizer SN 770111

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"This was a rescue that needed a lot of work. Synth works and sounds great now. Has cosmetic wear to the faceplate, see photos. No circuit modifications were performed, everything was left as it was.

Work performed:

-Full power supply recap (Nichicon electrolytics)

-All solder joints reflowed on every single board (this actually restored full electronic functionality)

-New Alpha brand 10K power/volume potentiometer switch (Original broken)

-All pots, switches, and faders fully flushed out with contact cleaner and followed up with DeOxit Faderlube as needed

-New knobs (Originals missing)

-New fader caps (Originals missing)

-Keybed removed and fully disassembled and inspected, keys ultrasonically cleaned (needed no repairs or adjustments, was just very dirty)

-New 2-prong power cable properly soldered in (no splices or twist caps)

-New custom-cut unfinished birch ply side panels from Send Cut Send (originals were heavily damaged/broken, hole alignment isn't perfect, still looks good, finish them in the stain/color of your choice)

-New black 3D printed keyboard side trim pieces (designed them myself in CAD, originals were heavily damaged/broken)

-New 3D printed Korg badge on back (Designed myself in CAD, original one was missing)"

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Korg 770 Analog Synth

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video upload by jp l

"Note that the video is filmed reversed left right..."

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"Korg 770 analog synth in very good condition!!! A survivor from the past!!!

Everything is working on it. (The Remote and Traveller Foot Control are not tested as i don't have the equipment to test those functions)..."

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Ernesto Romeo & Toni Gutierrez impro sessions VAPOR 4

video upload by wutierson

"Ernesto Romeo (Klauss) and Toni Gutierrez, performing improvisation sessions for VAPOR cycle done by Niño Raro productions in Cordoba, Argentina. The sessions were based mostly in analog synthesizers and analog sequencers. EMS VCS3, Synthi A, Minimoog, Antonus 2600 (ARP2600 clone) Korg 770 and others. Thanks for Carlos Jurancelli and Evita Rodriguez for the house studio and space for make possible the set and sessions. Argentina 2016"

Ernesto Romeo & Toni Gutierrez impro sessions VAPOR 5

video upload by wutierson

"Ernesto Romeo (Klauss) and Toni Gutierrez, performing improvisation sessions for VAPOR cycle done by Niño Raro productions in Cordoba, Argentina. The sessions were based mostly in analog synthesizers and analog sequencers. EMS VCS3, Synthi A, Minimoog, Antonus 2600 (ARP2600 clone) Korg 770 and others. Thanks for Carlos Jurancelli and Evita Rodriguez for the house studio and space for make possible the set and sessions. Argentina 2016"

Korg 770 Analog Synthesizer w/ CHD MIDI Kit

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"Awesome synth. Very similar to an ms-20 but unique. The traveler filter is Awesome. Unlike the ms-20 it has pwm. Very Very good at basslines. It is in good shape. None of the pots are scratchy. The only problem is that the highest key is slightly to the side and the spring mechanism isn't bringing the key up by itself. The key triggers the note still, and the note doesn't stay on when you lift the key up, so it doesn't affect playability. Comes with a midi kit I never got around to installing it."

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Crazy Vincent SELLS 100 synths & keeps 26! EP1 = intro, synth list, and new studio space.

video upload by Vincent Presley

"After 2 years of crazy synth buying, Vincent has the new Secret Records studio down to a mere 26 synthesizers that he claims are better than the rest.....
Before you watch, maybe you can make your own list of what you would have kept or make some guesses about what Crazy Vincent kept. Remember..... he's not like other people.

Support the label, the studio, and us at secretrecords.bandcamp.com

Chapters:
00:00 Opening Music
00:14 Introduction
01:32 Overview
03:04 Stack One
04:49 Stack Two
05:48 Stack Three
07:23 Stack Four
08:43 Stack Five
09:23 Stack Six
09:55 Stack Seven
11:12 Stack Eight
13:19 Outro
14:50 Some Music

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Korg 770 SN 77059 w/ MIDI & Original Dust Cover

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Korg 770 Analog Synthesizer

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Korg 770

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Korg 770 Analog Synthesizer w/ Silver Korg Badge on Back

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Note the silver KORG badge on back compared to previous listings. Curious if it came from the factory that way.

"The best sounding monosynthesizer Korg ever build (imho). Check out the new video from Alex Ball [posted here] for reference. The Korg 770 is looking good and has a mod for CV/Gate and controlling the filter. Very handy."

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Vintage Korg 770 Analog Synthesizer with Original FK-4 Foot Pedal

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"This vintage Korg is in very good cosmetic condition, and excellent operational condition. All keys, sliders and pots work perfectly as intended, with no static or noise present. This 770 comes with an original FK-4 Polyphonic Ensemble Pedal and Cable. This enables you to control the amazing filter/traveller via the FK-4. Also included is a copy of the original owners manual in both English and Japanese."

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Korg 770 - Serviced with Midi

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Korg 770 SN 770520

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