> about

Van Koolwijk uses both sound and image, be it analogue or in numerical code, as interchangeable data. He produces visual and acoustic compositions in which both manifestations powerfully interact. His works can often be seen as an attack on the illusion of the medium itself.


seq2 Sequence of stills from FDBCK/AV - Silver (2005)

Recent events:

ON / OFF     composition for 4 strobes
The piece is an exploration of our digital environment, broken down into its binary components and revealing its rhythmical features.
Welcome to the world of logic gates and Boolean algebra, in which anything is either true or false.
Performed on april 15 2017 at Kunstkapel, Amsterdam NL

Delay Line Memory     live
The sounds being generated with this instrument are visualised as blocks of pixels. As these enter the 2-dimensional delay line they reveal patterns that are not always recognisable through hearing alone.
Performed solo or extended with drums.
nov 2 2016, with Gert-Jan Prins (drums), InScience Festival, LUX, Nijmegen NL
sep 9 2016, Van Koolwijk solo, GOGBOT Festival, Enschede NL
apr 6 2016, with Gert-Jan Prins (drums), Semaine Digital, Bordeaux FR
feb 11 2016, Van Koolwijk solo, TEC-ART, WORM, Rotterdam NL
oct 8 2015, with Gert-Jan Prins (drums), RIXC Festival, Spikeri Concert Hall, Riga LV
feb 26 2015, with Gert-Jan Prins (drums), Sonic Acts, Stedelijk Museum, Amsterdam NL
jan 24 2015, with Onno Govaert (drums), Mind The Gap Nights/IFFR, WORM, Rotterdam NL
sep 11 2014, Van Koolwijk solo, GOGBOT Festival, Atak, Enschede NL

FDBCK/AV Red Flag:
nov 9 2016, LIMA, Amsterdam NL
oct 13 2016, Werkleitz Festival, Halle DE

Sounds of the Space Age     lecture
A lecture about the resourcefulness of space age technology and a presentation of related audio-visual works for the SYNERGETICA Art Science Salon.
may 14 2016, Het Glazen Huis, Amstelpark, Amsterdam NL

Mole-Rat     device
"It spies and it squeals!"
On september 29 2015 the Mole-Rat EM Audio device was released to the world.
The Mole-Rat is an audio device that allows you to explore the electromagnetic fields in your direct surroundings. The device is available via

Black Square Projector     installation
A handmade projector that is fully programmed for one task only.
At regular intervals, the device projects a bright white square, the negative afterimage of which is then revealed for a brief moment in time, and as such only in the mind.
Creating a black square with the absence of light, the installation is ON when OFF.

Presented at the Black² exhibition at Project Ground Moscow, Jul-Aug 2015.

SYNCHRONATOR - STRP Masterclass     workshop
Mar 27 2015, STRP BIENNIAL, Eindhoven NL
Organised in collaboration with Sonic Acts / Vertical Cinema

Mercury to Saturn, including Earth     installation
An audio-visual installation consisting of 98 compositions on flight paths to the planets of our solar system.
sep 11-14 2014, GOGBOT Festival, Enschede NL

FDBCK AV - Curvilinear     screening
sep 26 2014, Sphæræ, AxS, Pasadena CA, USA

FDBCK AV - Curvilinear     live
The live set especially adapted for projection within the Spæræ dome.
sep 12 2014, Sphæræ, GOGBOT Festival, Enschede NL

_38 Untitled (2010)