> 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)


dec 21 2019, GOLF festival, Haarlem NL

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.
apr 14 2019, The Guesthouse, Cork IE
sep 6 2018, GOGBOT Festival, Enschede NL
jun 22 2018, Klankvorm #6, Pink Pank, Rotterdam NL
apr 15 2017, The Warp, Kunstkapel, Amsterdam NL

mar 23 2019, Vrooom, Rotterdam NL
mar 22 2019, Perifeer, Deventer NL

The SYNCHRONATOR HD is an updated version of the original SYNCHRONATOR AV device.
It has 3 audio inputs and one video out and adds video sync pulses to your audio, effectively disguising the input as a video signal.
The output signal is HDMI with a resolution of 720p and a refresh rate of 60 Hz.

Synchronator HD Live: jan 17 2018, w serves imperialism, W139, 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

Mole-Rat     device
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.

_38 Untitled (2010)