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Parasit Studio
QUANTUM DEFRAKULATOR MK3
Build Document last updated june 2020
for PCB version 3.0
Make sure that you are looking at the correct version of the build document to
match the version of your PCB.
The Quantum Defrakulator is a drone synthesizer with 3 square wave
oscillators and one LFO (low frequency oscillator). Each oscillator has
independent controls for frequency and volume. With the LFO engaged,
oscillator 1 turns into a 3 or 4-step sequencer.
Have fun!
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Summary of Contents for PARASIT STUDIO MK3
- Page 1 Parasit Studio QUANTUM DEFRAKULATOR MK3 Build Document last updated june 2020 for PCB version 3.0 Make sure that you are looking at the correct version of the build document to match the version of your PCB. The Quantum Defrakulator is a drone synthesizer with 3 square wave oscillators and one LFO (low frequency oscillator).
- Page 2 Parasit Studio Changelog MK3 (PCB 3.0) • The circuit has been redone almost from scratch (again) to fix an issue with the 2.0 PCB LFO, but also to add a couple of new features. It has a few more components than the 2.0 PCB, but is still a straight forward build.
- Page 3 1 of the pot. • Cover the backside of the pots with pot covers or tape, so they don't short out anything on the PCB. The Quantum Defrakulator MK3 prototype...
- Page 4 Parasit Studio Quantum Defrakulator MK2 Bill of Materials (BOM) Resistors IC's 100K CLR* CD4069UBE 2.2K Capacitors CD4052 220nF CD4046 100K 47uF CD4015 100K 220nF CD4093 4.7K 220nF 220K 220nF Potentiometers 4.7K 100nF RATE C50K 220K 100nF FREQ 2 C100K 330K 2.2uF...
- Page 5 Parasit Studio Fitting everything inside the enclosure Getting everything mounted inside the enclosure can be a bit tricky because of all the pots, leds and switches. Here's what I do. 1. Solder the middle leg of the potentiometers to the PCB first...
- Page 6 Parasit Studio Offboard Wiring • 9V pad to DC jack positive lug (or battery clip +) • G pad to DC jack negative (or battery clip -) • O pad to output jack Tip • G pad to output jack Sleeve...
- Page 7 Parasit Studio Drilling template (Hammond BBDD/JJ) • Drill holes on the sides for the output jack and the DC jack to your own preference. • Make sure your printer is printing 100% print size and isn't doing any scaling. • Use at your own risk! This template is approximate.
- Page 8 Parasit Studio Schematic...
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Page 9: Troubleshooting
Terms of use PCB's from Parasit Studio are intended for DIY use only. Commercial resale is not allowed. It's meant for personal use, which means that it's not allowed to build many pedals and sell them for profit to strangers using public forums, webshops or craiglist ads ect.
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