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  1. owlexifry

    DEMO Keeley Psi Fuzz

    as discussed in one of @Ginsly ‘s threads about opamp muffs, i tried a few of them and none of them really seemed to be that exciting or exceed what i enjoyed about my EHX V5 opamp muff build, but this one was really good and seems to be a bit of a sleeper. As this circuit introduces some...
  2. owlexifry

    DEMO DeadastronautFX Abductor II Delay (4x PT2399 multi tap)

    i’m a fan of PT2399 delays. they’re a great definition of ‘cheap and cheerful’. and despite the idle ‘hash noise’ they tend to have, i don’t really notice it enough for it to matter in a context where guitar amp + speaker cabinet is involved. (in a DAW, i guess they can become undesirable) i...
  3. owlexifry

    DEMO End-All Red Overdrive (w/ mods) 'Randall RG100 inabox'

    after breadboarding an MT-2 and doing some deep dives i become aware that the pedalpcb shop has a board for a pedal that Randall released a while ago, called the RRED pedal. it’s pretty much a bang on clone of the Randall RG100 red channel, except with the ‘saturation’ switch mode hardwired on...
  4. owlexifry

    DEMO runoffgroove Splitter-Blend

    runoffgroove describes this circuit as providing “two buffered parallel effects loops with a Blend control. Also, a phase polarity switch is included to allow phase matching of the effect loops. Possible uses are blending two sets of effects placed in the loops, a signal splitter, a simple...
  5. owlexifry

    Keeley Psi Fuzz (PedalPCB Kinetic Fuzz)

    https://www.pedalpcb.com/product/kineticfuzz/ - intentionally large layout for 1/2W size resistors and thicc caps - unverified (build pending)
  6. owlexifry

    DEMO [Vero] EHX Big Muff 2 “Bob Meyer pencil schematic” version

    today’s forecast has been like this 🥵 (degrees celsius) so what better time to do a build demo for an infamous pedal circuit that has certainly copped some choice opinions in recent times. to make matters worse, i was impatient and didn't wait for the trace to be released, drew a vero layout...
  7. owlexifry

    DEMO War Scythe (EQD Hoof Reaper)

    this build is the result of trying out the scythe / tone reaper schematic on a breadboard sesh, and i was immediately impressed with just that one alone. seriously, the tone reaper / scythe fuzz is hecking brilliant. go build one if you haven't. but i decided i might as well just go with the...
  8. owlexifry

    DEMO Aleph Null 'Troglodyte' Self Oscillating Reverb

    as soon as i heard @Aleph Null ’s demo for this reverb circuit, i knew i had to build it. described as a "versatile reverb capable of everything from short, bright, roomy reverbs, to dark, cavernous, infinite sustain, to full-on self oscillation." - yep, can confirm. IMO this is the ultimate DIY...
  9. owlexifry

    DEMO Maxon ST-9 w/ SD-1 inspired mods (AionFX Cirrus)

    around the same time that I had the idea of doing the discrete opamp SD-1 with the Wilhelm Scream PCB, i also pondered similarly about the ST-9 and thought what if, instead of having an ST-9 based around the TS-808/TS-9, why not build one based around Boss SD-1 values instead? initial...
  10. owlexifry

    DEMO Discrete Opamp SD-1 (Wilhelm Scream w/ mods)

    when i first discovered this board in the pedalpcb shop, it came to me at just the right time.. before i had even tried an ST-9 circuit (my favourite), at the time (‘22) i was all about the 808 circuit (OD808/TS808). I had this idea where I really wanted to do a discrete opamp version, and was...
  11. owlexifry

    DEMO effectslayouts Schematic Fuzz (60's silicon Fuzz Face)

    i’m sure anyone that’s had a browse of the range at effectslayouts has seen this nifty little board. i only bought it cos i thought it looked cool, and it is cool, but i was never really sure if or when i was going to build it. but recently i’ve been enjoying building with 1590B, and getting...
  12. owlexifry

    DEMO [Vero] Big Muff V5 (opamp)

    a few weeks ago i breadboarded the V5 big muff and i was immediately keen to build one. ...and like many others, big smashing pumpkins influence, siamese dream being an inspirational masterpiece - this has been on my list for ages. it’s got a unique crunchy crispyness that the others don’t...
  13. owlexifry

    DEMO [Vero] Big Muff V2 Rams Head (1973 #4)

    so far my big muff journey has been rewarding, so i thought i’d build another variant, but i also just wanted an excuse to do something cool with my minty green 100n caps on a vero build. for the benefit of less noise, i probably should have done it in a 125B instead of 1590B, but it's hard to...
  14. owlexifry

    DEMO AionFX Empyrean Dual Distortion (Darkglass Alpha Omicron)

    the short story behind why this pedal was built involves the bass player of my band finally letting go of his helix stomp and agreeing to try/use another analog bass driver/distortion. he’s already got a sansamp bass driver, but apparently that’s not quite doing it for him, so i suggested this...
  15. owlexifry

    DEMO Schu-Tone Delay-Machine 3 (Boss DM-3)

    since this has had some serious hype, i was thoroughly compelled to build and hear this delay. my last analog delay was the Lectric FX DC ECHO, and while that thing is heckin marvelous and fun to play, it's a friggin huge 1590XX and has a lot of knobs, so there's a lot of appeal with this 125B...
  16. owlexifry

    DEMO Spirit Box (EQD Ghost Echo)

    so this reverb/delay circuit features a BTDR-2H belton brick + PT2399, and that sounded like a pretty good time to me, so i had to give it a try. turns out it’s actually a real treat to play. and with only 3-knobs [mix(depth), dwell, pre-delay/attack] it’s one of those things you can just...
  17. owlexifry

    DEMO effectslayouts Tape Delay (MkI aleph null)

    this is probably one of the most unique sounding PT2399 delays i’ve tried. I guess a large part of what makes it stand out is the clever filtering design. IME, it allows this scenario where the repeats / oscillation can build up in a subtle way that feels like a nice warm blanket in the...
  18. owlexifry

    DEMO [Vero] EQD Black Ash (Carbon Black Fuzz)

    i had a vero layout for this printed and sitting in a folder for a while, but wasn’t sure when/if i was really gonna build it. so when PHB2025 got launched, i guess it was the push that got this build to happen sooner than i had planned. fortunately i had already ordered some 2N3903...
  19. owlexifry

    DEMO Caesar Chorus (Walrus Audio Julia) w/ Basic Relay Bypass

    my first chorus build was a CE-2 on vero. i’ve never had an issue with how it sounds, and the soft switch relay bypass that was retrofitted made it even better. it’s been on my board for live use since it was built, but i knew eventually i was gonna have to build a caesar chorus and check it...
  20. owlexifry

    DEMO Fuzz Face (MP38A NPN Ge) [perf/wood]

    after beginning my dive into breadboarding with some soviet NPN Ge, i wasn’t really all that excited with the sounds i was initially getting on the fuzz face circuit. briefly tried silicons, still wasn’t that great, although the ones i tried were like 350hfe (bc108). gonna have to revisit a...
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