Arp 2600 Analogue Semi-Modular Synth with Mods

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"Arp 2600, Model 3604-p keyboard. Manuals and Patchbook for the 2600, new patch cables, power cord, and keyboard to synth connector plus keyboard extension cable. Pictures are of the actual unit for sale.

The synth is fully functioning and sounds amazing. It could however probably use a service at an appropriate point. A few of the sliders are a little noisy and will need cleaning or replacing.
The unit has been tinkered with in it's past to add in some additional pots and switches. They actually add some really useful functionality. Each oscillator has an extra pot which provides extra fine tune which is really useful when dialling in any syncing between the oscillators. Each oscillator also has a 3 position switch that switches the oscillator octave. Very useful for building stacked oscillators quickly rather than using the frequency slider. On the ADSR you can see a switch over the attack and release sliders. The attack switch doubles the attack range and the release switch half the release range."

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Prophet 12 old school sounds

"Home made presets with analog vibes (no external fx used for this recording)"



"String machine like home made sounds (no external fx used for this recording)"

Roland GR-77B Vintage Bass Guitar Synthesizer vs GR-700 Demo Features Review

Published on May 30, 2015 WayneJoness

http://www.joness.com/gr300/GR-77B.htm

Preset audio demos below.

"The Roland GR-77B is the greatest bass guitar synth you have probably never heard of! The GR-77B has a superior synth engine, built around the fat classic vintage Roland JX-8P, and a quick 32 millisecond average response time, and tracking that outclasses both modern and vintage bass synths that rely on pitch-toMIDI conversion.

Both the GR-77B, and its older brother, the Roland GR-33B, benefit from following on the heels of more well-known guitar predecessors, the GR-700 and GR-300 guitar synths. In each case, the bass version has improved design and features.

This video details the features of the Roland GR-77B, and compares the GR-77B with the GR-700. The soundtrack for the video was performed entirely on with the GR-77b, with Stylus RMX only providing the rhythm/drums."

Roland GR-77B Vintage Bass Guitar Synthesizer - User Presets Demo


"Quick listen through banks 1- 4, the user presets from the amazing vintage Roland Bass Synthesizer, the GR-77B.

The video starts with a demo the tuning feature, and also shows use of the LFO touch pad, and the latching/unlatching hold pedal."

Roland GR-77B Vintage Bass Guitar Synthesizer - Factory Presets Demo + EV-5 Pith/Filter Mod

Published on May 30, 2015

"Quick listen through banks 5- 8, the fixed factory presets from the amazing vintage Roland Bass Synthesizer, the GR-77B.

The video starts with a demo of using a Roland EV-5 with the Pitch and Filter pedal inputs on the rear panel, plus use of the LFO touch pads on the guitar."

Dave Smith Instruments Prophet '08 Improvisation XXXXIX

Published on May 30, 2015 Sacred Synthesis

"This piece is a good argument in favor of synthesizers having twelve to sixteen voices. The envelope and filter settings are such that, when the eight voices are exceeded, a rather violent "pop" results as the notes are re-assigned. I don't think it ruins the music if kept to a minimum, but it profoundly affects the keyboard technique needed, so that the player has to constantly be aware of the patch's constraints

Of course, I could have poly chained the keyboard and module, and that would have given me such a sixteen-voice instrument, but I much prefer to run them in parallel - merely MIDI-ed together and panned to opposite sides, so as to give a fuller richer stereo sound in eight voices.

The music is modeled on a Prelude and Fugue format, but the so-called "Fugue" in this case is only an Imitation - a piece based on a theme that continuously but freely alters it in various ways. Whereas, a traditional fugue follows a stricter form. Fugue is positively my favorite type of music.

Instrumentation:
DSI Prophet '08 Keyboard
DSI Prophet '08 Module
DSI Evolver Desktop
Hammond XPK 200L Pedalboard

Reverb from Lexicon MX300

Recorded live directly to CD

All music property of Sacred Synthesis"

KORG ARP Odyssey Performance

Published on May 30, 2015 Olivier Briand

"A Performance by Olivier Briand with the KORG ARP Odyssey, in one take, only reverbe and delay added to the original sound."

Audiothingies P6 Virtual Analog Synth

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"A DIY polyphonic synthesizer | chorder | arp with FX’s

With 2 oscillators, 1 sub-oscillator, a switchable 4-pole lowpass and multimode 2-pole filter, 3 envelopes and 3 LFOs per voice, the P6 is capable of producing a large array of classic analog-like sounds, pads, strings, brasses, organs, leads, basses, arpeggios, fx’s and even drum sounds."

Moog Realistic MG-1 Analog Synthesizer. Pro Restored and Modified SN 1490

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"Moog / Realistic MG-1 Concertmate analog synthesizer. Model 42-4000, Serial #1490

It has been professionally serviced, thoroughly cleaned inside and out, calibrated, and modified!

Modifications performed:
RCA jacks have been removed
Main audio output has been converted to 1/4" jack
Increased main output level
Added 1/4" jack input to filter
Added square wave pulse width controls for tone sources 1 and 2
LFO rate switch added for stock, slow, and slower LFO speeds
Enhanced keyboard trigger speed for faster key response
Increased low end range for tone source 2, with switch for stock or lower octave tuning mode
Tone Source 2 Detune now has more than 1 octave range up or down
Increased polyphony tone output level to mixer
Lower circuit board supported for better structural integrity

The old deteriorating foam on the inside has been removed.
All keys removed and cleaned
Key contacts cleaned and reformed
All switches and rotary pots cleaned
Slide control potentiometers have been disassembled, cleaned, and lubricated.
All solder connections have been checked, and re-soldered as needed.
Fully calibrated to factory specifications

Everything works. Sounds great.
This is the custom MG-1 you've been waiting for!"

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Roland System-100m D set with 181 Key Fully Working Fully Serviced

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"Unit 112.121.130.140.150 w/181 Key"

SNs 991327, 223692, 202585, 242846, ??????

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Rare Performance Music Systems Syntar for Sale

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PS SN 0981009

"One of the last and rarest keyboards from the South Florida Keyboard Collectors Estate Sale

Only 8 of these were ever made [see the update below], it is the rarest of the rare and its safe to say you will probably not see another one of these on ebay ever

Unit powers up but keyboard not functioning properly, the same note sounds for all the keys played"

Update: word is this is likely the late Mel Morley's (aka midimel's) Syntar. Also, there were more than 8 made. There was 15, 12 were completed and 3 made their way into the Mattson EML system.

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ARP 2500 - Deep Future House

Published on May 30, 2015 DJjondent

"A mix using the ARP 2500.
The original samples were recorded on this video:
https://youtu.be/uOvcMBZy_RQ
The drums were added later."

ARP 2500 Envelope Generators

Published on Nov 6, 2014

"A bit of experimentation with the 1046 Module - The Quad Envelope Generator.
ARP 2500 EGs have both Gate & Trig inputs.
This is a really cool feature. If you apply another trigger signal while the gate is still present the cycle
will restart. ..a good way for creating multi-peak envelopes.

You can see some pics and a bit of info on this patch here:
http://djjondent.blogspot.com.au/2014..."