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INTO THE UNKNOWN
Build Document last updated january 2018
Version 2.1 2017/2018
Into the Unknown Guitar Synthesizer Deluxe is a CMOS based fuzz
centered around the CD4046 PLL (phase locked loop) chip and a
CD4015 shift register chip.
It can do brutal fuzz, octave down and octave up, self oscillations,
theremin sounds, flanger'ish modulation and more!
This circuit works best with high output pickups. It is a gated circuit
by nature of the CMOS logic. If you are using single coils and need
more sustain, try a boost or compressor in front. To improve
tracking of the octave down, use your neck pickup with the tone
rolled off.
Happy playing!
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Summary of Contents for PARASIT STUDIO Into the Unknown
- Page 1 INTO THE UNKNOWN Build Document last updated january 2018 Version 2.1 2017/2018 Into the Unknown Guitar Synthesizer Deluxe is a CMOS based fuzz centered around the CD4046 PLL (phase locked loop) chip and a CD4015 shift register chip. It can do brutal fuzz, octave down and octave up, self oscillations, theremin sounds, flanger'ish modulation and more! This circuit works best with high output pickups.
- Page 2 Changelog Version 2.1 • The 2.1 version has a different component placement layout on the PCB (the BOM is still the same) for allow for a faster build. • ENV output removed Changelog version 2.0 • The LFO now turns completely off in the middle position to avoid ticking when not using the LFO.
- Page 3 SWITCHES OctD - Toggle between one or two octaves down OctU - Toggle between one or two octave up LFO - Triangle wave mode (up), Off (middle) or Square wave mode (down) Tweak the knobs and venture Into the Unknown!
- Page 4 PCB and solder them from the front side (component side). Wiring For more info on how to wire up the stompswitch, jacks ect, please visit the Parasit Studio website and download the PDF called ”offboard wiring”. You can find it here: http://www.parasitstudio.se/build-docs.html...
- Page 5 Into The Unknown Bill Of Materials (BOM) Resistors Capacitors IC's 100nF CD4069UBE 4.7nF CD4015BE 2.2M 100nF CD4046BE 33nF CD4069UBE 4.7nF CD4066BE 100nF 100nF Potentiometers 470K 2.2uF GATE C250K 100K 100uF B50K 100K 220pF B50K 6.8nF RATE C50K 100nF FILTER A50K...
- Page 6 The LFO gate The 2.0 version PCB has a LFO gate feature added (similar to the Arcadiator). It turns the LFO off completely when there is no input signal, so it stays quiet when not playing. The self oscillation from turning up the gate pot will also turn on the LFO.
- Page 7 Drilling template (1590BB) • This template is approximate. Use at your own risk! • Make sure your printer isn't doing any scaling / is set to 100% print size. • Drill DC jack and input/output jacks to your own preference. •...
- Page 8 Terms of use PCB's from Parasit Studio are intended for DIY use only. Commersial resale is not allowed. It's meant for personal use only, which means that it's not allowed to build alot of pedals and sell them for profit to strangers using public forums and craiglist ads.
- Page 9 Schematic...