Preparing for tomorrows gig at the Porin Juhlaviikot. I’ll go there today and stay at Jussi Matilaises place. Preparing a piece with techno (Drums from SOW: Blacksmith ed1 – Samplepack), Berlin Wall Distortion pedal, soviet electronic music, shared bodyweight exercises (as presented in Brussels) and a kettlebell. I have a lot of shit to carry with me.
The Berlin Wall Distortion build was successful. Unfortunately my schematics had a critical error which took the better part of the day to figure out. All of the components are soldered on the board, potentiometers, buttons and switches are in place. Sounds works but one of the diode pairs is still causing issues. I’ll try to find potentiometer hats tomorrow and attach the window.
Giovanna guided our Neighborizome group as a consultant over the weekend. The discussions were very fruitful and I feel way more confident about the project.
Preparing for Porin Juhlaviikot performances (should be writing texts for it already but I’m too tired due to a day of breathing solder gas).
The Truth about ‘Cultural Appropriation’ (2017) Kenan Malik for ArtReview. Too strong arguments for me..
What is really being appropriated, in other words, is not culture but the right to police cultures and experiences, a right appropriated by those who license themselves to be arbiters of the correct forms cultural borrowing.
A randomly triggering Automatonism (virtual modular) song recorded in Pd (using recorded delivered in 2.1 update).
My first Berlin Wall Distortion circuit board etching failed. I’m using a halogen lamp to transfer the circuit and I think the heat is causing the positive photoresist to stick to the board. My old natriumpersulfat might have been exposed to moisture etc. So I’m investing in ferric chloride and a new batch of developer agent. The Berlin Wall Distortion is a relatively costly project… I’ve used 40-60€ in components alone.
“Writing is the physical hope of a counternarrative” says Frances Morgan in Technology Now: Sonic Feminisms from ICA London.
Version 0.2: Berlin Wall Distortion Pedal – Circuit Layout (2017)
Important sites, border crossings and roads of West-Berlin 1961-1989. Routes between markers/components are mapped to work as a circuit for a distortion pedal (there are bridges were the road cross). Red routes are on the face of the circuit and gray routes under the circuit (they follow the U-Bahn routes / excluding the 9v in). Components are located on important landmarks and diodes are located border crossings (diodes will be connected to switches outside the board, from were they return to the ground). The wall is ground and connects outside of the circuit. Off board components include A10k, A100k potentiometers, 22uF capacitor/4.7k resistor/led, audio in/out jacks, a rotary switch (2 pole, 3 positions for signal in to the airport caps), a 3PDT footswitch. etc.
Any tips on improving the design welcome! I’ll redesign the layout to fit a 7x10cm circuit board and etch it.
Managed to build a functional distortion pedal! Fitted it inside a bamboo case. The build took it’s time but I’m happy with the result. I have enough components for a second unit but I’m not sure if I want to build an other distortion.. I’d like to make a 9V Analog DIY LPF by Eric Archer, a Pladask Elektrisk Gjengangar clone or a John Hollis Crash Sync. Or… Perhaps a stereo pair of Chime Amp (Punch Amp v.2).
Managed to assemble a working distortion pedal on a breadboard. First attempt to transfer the design on a perfboard failed but I have enough components for a trial and error approach. The capasitors and diodes I selected were optimized for drum sounds. I’m working with the the Tonefied DIY club: Bad-Ass Distortion design.
Great pedal building guides from Tonefiend – DIY CLUB.
- Breadboarding a Bad-Ass Distortion Circuit 1/4 (.pdf)
- Controlling and Modding a Badass Distortion Circuit 2/4 (.pdf)
- Transferring Your Distortion Circuit To Perfboard 3/4 (.pdf)
- Boxing and Finishing the Project 4/4 (.pdf)
A complicated build Build your own DS-1 distortion (.pdf) from Diystompboxes.com
A detailed guide with easy schematics Build Your Own Tricked-Out Electra Distortion by Nicholas Kula (2016).
Foot-switch wiring for Guitar Pedals (.pdf) madbeanpedals.
Detail and electrical theory Design Your Own Distortion by Rikupetteri Salminen.
Computer aided alternatives Electrosmash.com (digital multi-effects).