Circuit Bending Build Your Own Alien Instruments : Free Download, Borrow, and Streaming : Internet Archive
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Two of the three PCB's that make up the piece of rack gear I call my DI box.
on the left, is a clone of the EQ section from a 70s Sunn Coliseum Bass amp, Half assembled.
It is a 4 knob eq, with controls idiosyncratically (but accurately) labeled high, mid, hi bass, and low bass. the high and mid controls each have a 2 position frequency switch. The result is a very versatile, but still easy to tune tone control.
On the right is my standard line output pcb, fully assembled, except for the gain setting resistor.
this is a transformer coupled design, which uses a small power amp, to ensure it cant be overloaded. I didn't know it when I designed this, but this is almost identical to the design used by urei in the late 1970s, notably in the 1178, and la4a.
It has better isolation and a lower noise floor then a modern integrated design, and is actually cheaper then the IC solutions sold by That crop.
I used the same pcb with a different transformer as a reverb driver in my rack mount spring reverb.
If you have ever listened to my music you have heard both these circuits on synth, guitar, bass, and even my drum machines. I've also sold several identical units to local studios.
also, the spring reverb is my go to reverb now. So its on most tracks as well.
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CLOSED CIRCUIT | CD, 1994
ELECTRONIC EYE (RICHARD H. KIRK)
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My third weird scifi album is out lol
I'm extremely happy with how it turned out and I hope you guys enjoy it as well :)
You can listen to it on youtube, and if you like it, consider supporting it on bandcamp!
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Cover art by Robert Beatty for Afterlife by Secret Circuit.
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An earlier iteration of my studio, circa early 2021 if the file date is to be believed. Basically the first iteration of my DAWless setup. If I recall correctly, this is essentially the setup I used to record my Oneirogen Codex album. Pretty sure this was the photo I took to commemorate this edition of the studio, and the album recorded with it, right before I rebuilt it.
Novation Circuit and Arturia Beatstep Pro (both since sold) handled sequencing and synching the whole thing. Korg Monologue monosynth (now sold); Arturia MicroFreak and MiniBrute 2s are both still in the collection, as is the Korg Volca Drum propped up in the middle there. Various modular stuff and a Koma Field Kit FX (all still part of the studio, minus maybe a few modules). You can just make out a vintage Akai tape deck on the right there; I used that to master that album. Still have it and use it all the time.
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https://archive.org/details/CircuitBendingBuildYourOwnAlienInstruments/mode/2up
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This is the PCB of a little octave pedal I designed based on a green ringer.
Those of you who familiar with that pedal will notice that my version has 4 switches, and then green ringer has only bypass.
In my design the switches are boost (3 positions), input and output tone (hi boost and lo cut, 3 positions each), and a germanium/silicon switch. (the bypass is optional, and mounted off board)
there are 54 total control positions, but because the switches are very independent it is quick to find the one that is most suitable.
the tone control is a unique design the uses variable resonance to get a aggressive high end boost without the hiss that is typically associated.
this has about 3 times as much circuitry as the historical green ringer, but I was able to save space by integrating the input and output buffers into the tone controls, so the design is actually very efficient for the number of features it offers.
I like this little thing, but its been too weird for other people I showed it too, so I'm looking at integrating it as part of a more conventional looking octave fuzz.
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FREAK OF NATURE
ELECTRONIC EYE (RICHARD H. KIRK)
[CLOSED CIRCUIT, 1994]
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