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via this auction
"The perfect partner to your VCS3 or Synthi A. Ships serviced and calibrated by our synth techs under James Walker."
Friday, April 05, 2019
Siel DK70
Note: links to listings are affiliate links for which the site may be compensated.
via this auction
As for the DK70, an interesting side note according to the description is that it was released in Brazil as the Giannini GS 7010 polyphonic synthesizer. You can find demos of it in the archives here.
"It is very similar to a Korg Poly-800, in that it operates like an analog synth, but its oscillators, LFO and envelope generators are all digital. Like the Poly-800, the DK-70 has eight oscillators/voices, but all the voices are mixed together through a single "monophonic" analog lowpass filter which was shared for all voices. Like a monophonic synthesizer, the filter was switchable between single or multiple modes. In single mode, the first key pressed triggers the filter envelope, and unless all keys are released, the filter does not re-trigger. In multi mode, each key pressed in turn triggers the filter envelope, even if other keys are still pressed down.
The oscillators are called "DCOs", and the envelope generated called a DEG (for Digital Envelope Generator). Digital components were much cheaper at the time and this allowed the DK70 to approximate the sound of an analog synth, but have 8 note polyphony without being cost prohibitive to the average user.
An unusual feature of the DK70 is that, while it appears to have the form factor of a standard synth, it has guitar strap pegs and can be used as a keytar. (The Poly-800 also had this feature.) An accessory called the "Stage Set" can be attached to the left side to provide a grip (similar to that of the SH-101), where the player may manipulate a ribbon-style pitch bender, as well as have access to buttons that change patches, change octaves and engage the LFO modulation.
It stores 50 patches, 10 of which are user assignable. A cartridge port accepted a cartridge which could store an additional 50 patches. All programming is done via pushbuttons, somewhat limiting its "tweakability" for live performances.
It also has an onboard two-track sequencer, which can be programmed by setting the tempo and recording a performance (unlike a step sequencer, where notes were entered in sequential order and played back at fixed durations). The performance would then loop when played back.
The synth engine was also available as a keyboardless, rack-mount or table top version called the Expander-80, similar to the Korg EX-800. Released in Brazil as Giannini GS 7010 polyphonic synthesizer"
via this auction
As for the DK70, an interesting side note according to the description is that it was released in Brazil as the Giannini GS 7010 polyphonic synthesizer. You can find demos of it in the archives here."It is very similar to a Korg Poly-800, in that it operates like an analog synth, but its oscillators, LFO and envelope generators are all digital. Like the Poly-800, the DK-70 has eight oscillators/voices, but all the voices are mixed together through a single "monophonic" analog lowpass filter which was shared for all voices. Like a monophonic synthesizer, the filter was switchable between single or multiple modes. In single mode, the first key pressed triggers the filter envelope, and unless all keys are released, the filter does not re-trigger. In multi mode, each key pressed in turn triggers the filter envelope, even if other keys are still pressed down.
The oscillators are called "DCOs", and the envelope generated called a DEG (for Digital Envelope Generator). Digital components were much cheaper at the time and this allowed the DK70 to approximate the sound of an analog synth, but have 8 note polyphony without being cost prohibitive to the average user.
An unusual feature of the DK70 is that, while it appears to have the form factor of a standard synth, it has guitar strap pegs and can be used as a keytar. (The Poly-800 also had this feature.) An accessory called the "Stage Set" can be attached to the left side to provide a grip (similar to that of the SH-101), where the player may manipulate a ribbon-style pitch bender, as well as have access to buttons that change patches, change octaves and engage the LFO modulation.
It stores 50 patches, 10 of which are user assignable. A cartridge port accepted a cartridge which could store an additional 50 patches. All programming is done via pushbuttons, somewhat limiting its "tweakability" for live performances.
It also has an onboard two-track sequencer, which can be programmed by setting the tempo and recording a performance (unlike a step sequencer, where notes were entered in sequential order and played back at fixed durations). The performance would then loop when played back.
The synth engine was also available as a keyboardless, rack-mount or table top version called the Expander-80, similar to the Korg EX-800. Released in Brazil as Giannini GS 7010 polyphonic synthesizer"
ROLAND SH-5 - Analog Synth Demo | Sounds & Patches
Published on Apr 5, 2019 synth4ever
"Demo of the incredible Roland SH-5 analog synthesizer, featuring various sounds & patches. This Roland SH-5 synth demo features oscillator, LFO, filter, mixer and modulation tweaking to showcase various sounds and patches on the Roland SH-5.
The Roland SH-5 is an iconic and rare vintage monophonic synthesizer that was manufactured from 1976-1981. It features 2 VCOs (32' to 2' with triangle, saw, square and pulse waveforms), 2 LFOs (LFO1 = saw, reverse saw; LFO2 = triangle, sine, square) and 1 S&H with sample time & delay time.
The Roland SH 5 has 2 VCF filters: 1 multimode LP/BP/HP and 1 Bandpass, both with cutoff and resonance. 2 Envelopes (1 AR and 1ADSR) can be routed to filter, osc and amp, and there is env sensitivity and keyboard tracking on the filter. On the back of the SH-5 are various inputs/outputs for CV and other control.
Additional features include portamento, pitch bend, ring modulation, soft & hard sync, white & pink noise, external audio input, VCA panning, VCA-triggering via S&H, LFO2 or external trigger. A comprehensive Mixer section allows for routing of 5 audio signals through VCF, VCF+BPF, BPF, or direct to VCA.
The Roland SH-5 is a classic vintage synthesizer that can output massive bass, piercing resonance, create amazing textures/noise/FX, and of course leads and other standard tones. The additional bandpass filter is also a key feature that sets the Roland SH-5 apart from many other synths in terms of tone.
Roland SH-5 are becoming increasingly rare on the second hand market, often commanding high prices as many consider it to be the pinnacle of vintage Roland monosynths. If you have the opportunity to try a Roland SH-5, do not hesitate as it is a fantastic instrument."
FPGA MIDI Music Synthesizer
Published on Apr 5, 2019 element14 presents
"Have you ever wondered how digital synthesizers work? In today's video, Andy shows how to build one with just a handful of parts. He'll use a standard MIDI interface and line-level output for maximum compatibility, and an FPGA for maximum fun! Connect with Andy on the element14 community: http://bit.ly/2TS8tp5"
See the FPGA label directly below for more FPGA based synthesizers. This post, as many, is just meant to let you know this is out there - for those of you interested in Synth DIY.
Thomas Dolby at Synthplex 2019
Published on Apr 5, 2019 Sound On Sound magazine
"Synth pioneer Thomas Dolby was the star attraction at Synthplex 2019, LA's inaugural 'Everything Synthesizer' exhibition/conference in late March. Prior to his seminar and evening performance, SOS contributor Julian Colbeck sat down over breakfast with Thomas for an exclusive interview in which TD reveals his current interest with new media technologies and their application in music."
Artists & Arturia #54 - Walter Mair meets MatrixBrute & Pigments
Published on Apr 5, 2019 Arturia
"The Austrian musician has composed the adrenaline filled Netflix series Formula 1: Drive to Survive. He delved deep into his sound design arsenal to create the energy filled soundtrack – with Arturia taking first place."
Friday Fun - DeepMind 12 and Crazy Tube Circuits Splash MK3 Synth Jam
Published on Apr 5, 2019 sonicstate
Mystic Circuits TREE // Next level bidirectional sequential switch
Published on Apr 5, 2019 DivKidVideo
"Here's a lovely little thing in the form of TREE from Mystic Circuits. It takes basic sequential switching up a gear with the addition of CV addressed direction, reset and 3 additional binary inputs to jump around the pattern creatively. It's been an interesting and inspiring piece of kit allowing you to perform with patching for cable led patch programmed functionality (that's a mouthful) to manipulate the switching and patterns you can create. In the video we distribute one sound to multiple FX, switch and re-route rhythms and modulation, explore audio rate functions, create Casio CZ style multi-cycle-waveforms, build a CV sequencer and more. Fun times.
TIMING INDEX / SECTIONS
00:00 hello and patch previews
00:57 Feature run down
02:28 Switching rhythmic patterns
04:09 Modulation routing and switching
06:22 Routing to multiple FX processors
07:48 Tree as a gate sequencer
09:47 Building a CV sequencer
12:38 Audio rate modulation and synthesis
15:24 Multi-cycle-waveforms for new audio oscillations
18:32 Multi-cycle-waveforms for new LFO shapes & patterns
21:40 Self patching & pattern generation/manipulation"
Mystic Circuits TREE
Playable Interstellar Sounds | Rigid Audio Ghost Sound Demo | KONTAKT 5 | SYNTH ANATOMY
Published on Apr 5, 2019 SYNTH ANATOMY
"Part of the Rigid Audio Bundle (95% OFF): http://bit.ly/rigidaudiodeal
Rigid Audio Ghost is a loop-based virtual instrument for Kontakt 5 that features 3x 128 looped textures. The engine features an multi-effektor and a random knob with you can use a random sound with every new note. The library includes a wide range of atmospheric drones, pads, and textures
Join the Patreon page to get access to free sound content (sample & preset libraries, free plugins... & participate on exclusive giveaways) https://www.patreon.com/synthanatomy"
Creating a synthesizer drone, but with an actual drone (Yamaha EX5, ZOOM ARQ 96)
Published on Apr 5, 2019 Floyd Steinberg
"I created a synthesizer drone sound, but with an actual drone on the Yamaha EX5, using it's sampler, wave & voice editor and effects section. The sound of the drone's spinning propellers lends itself to filtering, and the resulting sounds are surprisingly soothing and spacious. (Music begins at 01:58 - if you like it, you can download the track at https://floydsteinberg.bandcamp.com/t...)"
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© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
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MATRIXSYNTH - EVERYTHING SYNTH
© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH



























