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'''Rob Hordijk Original Design''' are the [[West Coast]] style [[5U]] modules designed and crafted by Rob Hordijk; based in The Hague, Netherlands. Except for the [[Rob Hordijk Benjolin|Benjolin]], the designs are not available for DIY.

== The modules ==
All circuitry is original and follows Rob's own concepts based on over thirty years experience in [[sound synthesis]] and [[electronic design]].<ref name="rh">Rob Hordijk</ref> He has complete control over the whole module building process; R&D, [[prototyping]], panel design, cutting, drilling, [[PCB etching]] and populating, final hardware assembly, calibration and testing. All components and every piece of hardware is carefully selected for reliability and comfort in use.<ref>Muff Wiggler forum:[https://www.muffwiggler.com/forum/viewtopic.php?t=53265&postdays=0&postorder=asc&start=0 The Hordijk project]</ref>  Panels with the signature ''Original Rob Hordijk Design'' are both designed and built by Rob Hordijk.<ref name="rh" />

== Rob Hordijk ==
Rob Hordijk has been playing around with synths and computers since [[Sequencer|sequencing]] some [[analog]] stuff around 1982 with an RCA 1802 based [http://www.old-computers.com/museum/computer.asp?st=1&c=908http://www.old-computers.com/museum/computer.asp?st=1&c=908 SuperElf] processor board. Later switching to an Apple ][+ and the Mountain Hardware Music System, for which he developed a Forth language version that could do all sorts of stuff with the Mountain cards, like [https://en.wikipedia.org/wiki/Karplus%E2%80%93Strong_string_synthesis KarplusStrong-type] plucked string sounds and pitch shifting. His first introduction to a [[DSP]] was to the DMX1000 around 1984. In 1986 he switched to Atari ST and an Akai S900. These days he is a [http://www.soundonsound.com/sos/jul04/articles/nord.htm Clavia Nord Modular G2] aficionado.<ref>[http://electro-music.com/forum/post-10645.html&highlight=#10645 Hello to you all], electro-music.com forum, 29 March 2004</ref>

== Instruments ==
=== Functions available<!-- as of Oct 2014 --> ===
Modules are triple panels with combinations of the following.<!-- are they? -->
* [[Rob Hordijk Triple LF-VCO|Tri LF-VCO]]
* [[Rob Hordijk VCA|VCA]]
* [[Rob Hordijk Rungler|Rungler]]
* [[Rob Hordijk Dual Envelope Generator|DualENV.V2]]
* [[Rob Hordijk OSC HRM|OscHRM]]
* [[Rob Hordijk Dual Fader|Dual Fader]]
* [[Rob Hordijk Triple-Input 24dB Filter|Triple input 24dB filter]]
* [[Rob Hordijk 36dB Twinpeak filter|6dB Twinpeak filter]]
* [[Rob Hordijk Dual Phaser|Dual Phaser]]
* [[Rob Hordijk ShaperPhaser|ShaperPhaser]]
* [[Rob Hordijk Active Matrix|Active Matrix]]/Mini Bay/Mini Matrix
* [[Rob Hordijk Node Processor|Node Processor]]

=== Other ===
* [[Rob Hordijk Blippoo Box|Blippoo Box]]
* [[Rob Hordijk Benjolin|Benjolin]], shared with the DIYers by Rob.

== References ==
{{From Muff Wiggler wiki|Rob Hordijk Designs}}
{{reflist}}

== External links ==
* To order or enquire about his modules, [mailto:rhordijk@xs4all.nl e-mail] Rob Hordijk.
* [http://electro-music.com/forum/forum-185.html Rob Hordijk DIY Designs], Electro-Music forum
* ''[http://rhordijk.home.xs4all.nl/G2Pages/index.htm Synthesis Workshops]'' by Rob Hordijk
* ''[http://muse.jhu.edu/login?auth=0&type=summary&url=/journals/leonardo_music_journal/v019/19.hordijk.pdf The Blippoo Box: A Chaotic Electronic Music Instrument, Bent by Design]'' by Rob Hordijk, Leonardo Music Journal, Volume 19, 2009, pp.&nbsp;35–43 – requires a login for access
* Rob Hordijk's [http://rhordijk.home.xs4all.nl/ Clavia Nord Modular G2 FAQ]
* [http://www.xs4all.nl/~rhordijk/G2Pages/ G2 Workshops and tutorials] by Rob Hordijk
* [https://www.muffwiggler.com/forum/viewtopic.php?t=32700 Rob Hordijk 24dB MultiMode Filter demos], Muff Wiggler forum, Apr. 2011
=== Videos ===
* [https://youtu.be/GzW6pTzATG4 Rob Hordijk Presentation & Synth Tutorial // Modular Meets Leeds 2017]
* [http://www.youtube.com/playlist?list=PLAC347DE38ABA9E8D&feature=plcp Rob Hordijk explains his modular designs] at the European Electro Music Event 2012, Mallorca, Spain.
* [http://vimeo.com/107453197 The Designer] by Franz Schuier, 2008

=== Pre-built Eurorack modules ===
* [https://web.archive.org/web/20141019122935/http://www.epochmodular.net/benjolin.html Benjolin], Epoch Modular
* [https://web.archive.org/web/20150724204314/http://www.xn--klangbaukln-zfb.de/Klangbau,K%C3%B6ln,Koeln,Synthesizer,Module,Klangkunst/rob-hordijk/ Benjolin and Twin Peak Filter], KlangbauKöln

[[Category:Original Rob Hordijk Design]]