Roland G-505 Guitar Synthesizer Controller, GR-300 Polyphonic Guitar Synth

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via this listing

"Up for sale, a 1980s Roland G-505 Guitar Synthesizer Controller and GR-300 Polyphonic Guitar Synthesizer [SN 090427] in 100% original condition and in perfect working order, complete with the original 24-pin cable. First introduced in 1980 as a follow-up to the GR-500, the GR-300 is perhaps best known for its usage by Pat Metheny; produced at the venerable Fujigen factory in Japan, this versatile guitar synth can deliver a huge range of decidedly unique sounds, with a hexaphonic fuzz circuit, VCO synth, and combinations of the two. This GR-300 comes complete with the G-505 Guitar Controller, taking its design cues from a Strat with a sleek ash body, one-piece maple neck, and a trio of single coil pickups alongside the synth pickup.

The G-505 Guitar Controller guitar has plenty of natural sparkle and shimmer, and the Roland PU-134S pickups deliver a bevy of Strat-style tonalities via the five-way selector switch. Weighing 8lbs 12oz, the G-505 has been professionally setup here at Mike & Mike’s Guitar Bar with 10-46 strings, low action, and spot-on intonation.

The maple neck has a slender C-shaped profile carve with good shoulders, gaining appreciably more heft and roundness in the upper registers, measuring .810” deep at the 1st fret and 1.015” at the 12th. The fretboard exhibits light finger wear through the gloss, and the slender fretwire ostensibly benefits from a level and crown in this guitar’s lifetime, showing virtually no wear. This Roland plays cleanly up the 25 1/2“ scale with a straight neck and a responsive, optimally-adjusted truss rod, and the nut measures 1.650” (42mm) in width. The headstock features a bullet truss rod nut and gold “GR” logo, and the Gotoh tuning machines function reliably. The back of the headstock retains the silver foil serialized sticker.

The electronics on the guitar controller are untouched, with a control scheme including Master Volume, Guitar Tone, Guitar/EG Balance (Blend), VCF Cutoff Frequency, VCR Resonance, and LFO (Vibrato) Depth knobs. Additionally, the three-position Mode toggle enables on-the-fly switches between Hexaphonic Fuzz only (Mode 1), Fuzz and VCO synth tandem (Mode 2) and Synth only (mode 3). The controls are capped by the original sextet of knobs with ridged grips for easy adjustments, and the three-ply white pickguard rounds out the plastics.

Cosmetic wear on the gloss Metallic Blue finish includes a number of nicks and dings on the body as a whole, most prominent along the lower bout perimeter, with some finish chipping adjacent to the output jacks, and some very subtle texturing in the finish on the top. The neck profile retains its smooth gloss, with a handful of shallow marks that have no impact on playability.

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Fervour - Live Industrial Jungle Doom - Ableton Push 3 Standalone, Perkons HD-01, Tasty Chips GR-1

video upload by Abre Ojos

"134bpm Industrial Psychedelic Jungle Doom

Live hardware jam with Ableton Push 3 Standalone, Perkons HD-01 and Tasty Chips GR-1 Granular Synth.

Perkons & GR-1 fed into the Push with some Roar and Hybrid Reverb.

Video processed live through Resolume

Shot with GH5 MKII

Dark ambient audiovisual stuff: https://abreojos.net
Noisy layered drone techno: https://dronskot.net"

Tasty Chips GR-Mega

video upload by Tasty Chips

"In this music video we present the most important features of our upcoming flag ship synthesizer, the GR-MEGA. It's been almost 5 years, and it's entering production this spring!"

Roland GS-500 Synthesizer Guitar *AND* GR-500 Synth Module SN 661034

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via this auction

"This joint venture instrument between Roland and Ibanez is paired with the Roland GR-500 module. It was used by a multitude of artists, ranging from Neal Schon of Journey to Jeff Baxter of the Doobie Brothers and was responsible for creating some of the wildest synth guitar sounds of the late 70s and 80s.

The guitar features a hexaphonic pickup that tracks the pitch of each individual string with high accuracy, as well as a traditional humbucker pickup for producing standard guitar tones. The signal is sent through the guitar’s 24 pin output to the synth module where it can be manipulated using a multitude of VCOs VCAs filters, and effects. One of the most unique elements of the guitar is the infinite sustainer system built into the guitar. Similar to how E-bow’s work, this instrument can keep the strings vibrating as long as the player wishes.

This guitar is in excellent condition. It has only a handful of small chips/dents on the top (pictured) and the fretwear is nonexistent. Its electronics have been cleaned, the fretboard conditioned, and setup to play well at low action. The GR-500 Module has been well cared for, and is in excellent shape. Bring your guitar music to the next level with the GS and GR 500s today!

| Serial - B781015 | Scale Length - 24-3/4” | Fretboard Radius - 12” | Nut Width - 1-11/16” | Bridge Spacing - 2“ | Neck Depth - .870-1.05 | Neck Profile - Medium C | Number of Frets - 22 | Weight - 11lbs 2oz | Country of Origin - Japan |"

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Tasty Chips GR-1 File Management

video upload by Tasty Chips

"This video explains how GR-1 files are organized in firmware 2.x. It explains how to save and recall your patches, also when booting. It also hints at the new future firmware 3.0.

Contents:
- GR-1 file management
- Saving to internal memory
- Recall patches after boot
- Save a multitimbral preset"

Roland GR-500 Guitar Synthesizer with GS-500 Guitar and 24 pin cable

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via this auction

Two pics of the of the GR-500 inside below.

""Listed here is the flagship of the legendary pre-MIDI, all analog guitar synthesizer systems; The Roland GR-500 synth and GS-500 guitar.

This listing includes the Roland GS-500 guitar controller, The Roland GR-500 Synth module and a factory 24pin cable.

The GS-500 guitar is in Very Good condiction with all of it's original electronics, including the hexaphonic pickup, synth controls and 24pin connection to the GR-500 synth module. The gutiar hasn't been modified at all (as far as I can tell). The original pickups are intact as are the string isolators which are essential for the mulichannel infinate sustain system to fucntion. There are a few -very- small scrapes and dents as one might expect from a guitar from 1978... but overall it looks like this insturment wasn't used heavily and it looks great.

The GR-500 synth itself has recently been serviced (2023). It just got entirely re-capped (capacitors replaced)s, power supploy serviced, and several of the chips were changed from soldered to socketed.

Almost all of the features of the synth work well. The Guitar, PolyEnseamble and Bass sections work exactly as you'd expect them to. The PolyEnsemble and Bass sections are remarkably cool. Being able to play fully polyphonic chords on an anlog guitar synth is just a beautiful thing.

The Solo Melody section, however, is currently not functioning quite correctly. Right now the pitch of the Solo Melody section does not track the pitch of the guitar correctly, and the amplitude detection in this section doesn't seem to be tracking correclty either. I am not sure what the issue is, but two techs have suggested that this section may just need to be properly calibrated and the instructions for this procedure can be found in the service manual which is readily available. I regret not having the time in my life right now to address this issue as it may be quite minor, but I just can't say what this issue is for sure and I wanted to be totally up front that this issue exists.

So we have this remarkably, unique and rare set of GR-500 and GS-500 where the gutiar is in really nice shape, and the syth has recently been serviced and cleaned, but does have some issues with the Solo Melody section."

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Walter Sear - Little Fugue in G Minor (moog synthesizer) 1969

video upload by g r

Tasty Chips GR-1 Granular Polysynth with Decksaver Cover & Original Box SN GR-1422

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via this auction

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Grackler - Mroztronium | Banana Synth

video upload by LowGainElectronics

"Afternoon soundtrack at the shop…

First 5 mins with the Grackler!

More information can be found here:

https://mroztronium.blogspot.com/p/gr..."

See the Mroztronium label below for additional posts.

The LoFi Magic of a Scottish Tape Drum Machine

video upload by HAINBACH

"The Bandmaster Powerhouse is a drum machine unlike any other: it uses 8-Track tape recordings of drum and percussion loops to play back 'Funky Beat', 'Modern Waltz' and 'Disco' patterns. Made by GR International in Perth, Scotland in the 1970s, only few survive and the tapes are even rarer. The warble and flutter, especially when pitched down, is horrible from a technical perspective, but it adds layers of texture that are a dream come true for the rare groove enthusiast."

You can find addtional demos here and here.

Ambient using a Technics WSA1

video upload by Christian's Sonic Spaces

"This is ambient music with my Technics WSA1. While I am in progress to programm a bank of 64 amazing custom patches, I also start create the first song with it.

I used for the recording the following FX chain:
Pigtronix Echolution 2 Deluxe - GFI System Specular Reverb 2. Depending on the recorded track some FX are deactivated

The signal went through a Presonus StudioLive 16.0.2 into the PC via USB for recording. To create the complete song I recorded consecutively several stereo tracks, while a specially prepared track exported an run through a tasty chips electronics GR-1 for granular time streching. The final song was then mastered with a bit EQ and compression on some tracks and iZotope Ozone on the master track."

Late Night Ambient Soundtrack (Osmose, Microcosm, Nightsky, GR-1, OB-6, Matriarch)

video upload by NGC0 Music

"Couldn't sleep last night, so I've assembled a few toys and recorded this.
You'll hear mainly the Osmose going through the Microcosm + Nightsky (My only FX chain), the Rhodes through a Chase Bliss Blooper pedal (in delay mode), the Moog Matriarch (bass), and OB-6 (dreamy EP sound). I've then sent the full mix back to the Tasty Chips GR-1, did some granular tweaks, and recorded the outcome back into the main mix."

Ambient jam with Dreadbox Nymphes, Tasty Chips GR-1, Walrus Slöer, Meris LVX

video upload by Jay Hosking

"Please support my work on Patreon: https://www.patreon.com/jayhosking
A live, semi-improvised synthesizer jam performed entirely on hardware.

In my previous video, I tried the Walrus Slöer reverb pedal with a few fun synths. During that session, I stumbled into a chord progression on the Nymphes that sounded really lovely with the Slöer, and this track was born from it.

I knew it needed some accompaniment that matched the feeling, so I brought out the GR-1, my favourite granular hardware. With its four-layer timbrality, I could both create textures, and also use a timbre to double the Nymphes for some building/progression. I'm really happy with how hardware explorations can quickly lead to finished songs, and this is no exception.

Dreadbox Nymphes into Walrus Slöer - Pad
Tasty Chips GR-1 into Meris LVX - Four granular synth sounds
Arturia Keystep 37 - MIDI controller
Kenton MIDI Thru (not seen) - MIDI Thru

Performed and recorded live, with EQ, compression, and limiting on the master.

Thanks for listening.

https://jayhosking.bandcamp.com"

BOSS Launches NEW GM-800 Guitar Synth & GK Series

BOSS GM-800 Guitar Synthesizer | Sound Examples by Alex Hutchings

video uploads by BOSSchannel

Press release follows:

Next-Generation Serial GK Digital Interface and Powerful New Guitar and Bass Synthesizer with the Roland ZEN-Core Sound Engine

Los Angeles, CA, July 20, 2023 — BOSS announces the new Serial GK system and the GM-800 Guitar Synthesizer, a powerful and versatile product that elevates guitar and bass synthesis into a new age of natural playability and boundless creative range. Driven by the newly developed Serial GK digital interface, the advanced ZEN-Core engine in the GM-800 unlocks any sound imaginable—from acoustic instruments to classic and modern synths—while high-performance DSP delivers tracking stability and expressive scope never before possible. Users can also expand the GM-800 experience with a growing selection of ZEN-Core content on Roland Cloud. In addition, BOSS has released a variety of complementary products for the GM-800 and Serial GK system, including GK-5 and GK-5B Divided Pickups for guitar and bass, BGK-15 and BGK-30 connection cables, and GKC-AD and GKC-DA GK Converters for interfacing with classic 13-pin GK products.

GM-800 Guitar Synthesizer
BOSS and its parent company Roland have been the worldwide leaders in guitar synthesizer innovation for nearly five decades, beginning with the revolutionary GR-500 system in 1977. Expanding and elevating the concepts behind many historic Roland GR products, the GM-800 provides guitar and bass players with cutting-edge creative tools and access to sounds typically only available with keyboard-based instruments.

The GM-800 is built around the expandable ZEN-Core Synthesis System, the sound source found in professional Roland products like the JUPITER-X and FANTOM keyboards and ZENOLOGY software synthesizer. ZEN-Core combines modern PCM synthesis and advanced modeling to provide an infinite playground for sonic discovery. With over 1200 Tones, GM-800 users can play everything from pianos, organs, and orchestral instruments to classic Roland synth sounds like the JUPITER-8, JUNO-106, and many others.

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Tama Techstar TS306 on the drums / Pics of my Synths with some A.I. sprinkled on top /

video upload by HanzVolt

"Pics of a few of my most used synths run thru A.I. / Yamaha CS-30, Korg Monopoly, Analogue Solutions Impulse Command, Tasty Chips GR-1, Korg Arp 2600, Aelita"

Tasty Chips GR-1 / Analogue Solutions Impulse Command / Behringer TD-3

video upload by HanzVolt

"and some samples from the movie Dune 1984"

Tasty Chips GR-1 and Korg MonoPoly used on this one

video upload by HanzVolt

Tasty Chips GR-1 - Granular Clair de Lune (Ambient Music)

video upload by NGC0 Music

"I was wrong, there was no problem with the GR-1, I was just using it wrong, now I can finally sample and playback in granular mode with the same volume (the GR-1 was turning the patch volume way down by default for some reason), and the crackling noises were due to the grains going through the end of the track (which was ending with a pop due to the way I ended the recording). I've sampled 20 seconds of Clair de Lune and got lost for nearly 20 minutes with it, listen by yourself, it gets better and better over time."

Tasty Chips GR-1 - Granular Jam (With Osmose and Matriarch)

video upload by NGC0 Music

"This is a weird video, I've live-sampled a Rhodes piano loop into the GR-1 (The quality is terrible when it's live-sampled, probably my biggest problem with the GR-1...), later in the video (skip if you get bored) I've added the Moog, improvised shortly on the Rhodes, and also on the Osmose. It starts boring but gets nicer."

Tasty Chips GR MEGA Granular Workstation Sound Demo (no talking)

video upload by Bonedo Synthesizers