DEMO Aleph Null 'Troglodyte' Self Oscillating Reverb

This post contains an audio or video demo

owlexifry

Well-known member
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 belton/PT2399-based reverb that will do just about anything you could reasonably expect the technology to do.

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fortunately the circuit isn’t really that big and doesn’t have a long parts list, so i guess that makes up for the belton BTDR-3H requirement.

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here’s a quick demo - didn’t really do a lot of knob tweaking, but i’ve got it dialled up to hopefully showcase the density of this thing.

- really enjoy how the ‘sway’ control is implemented for modulation - isn’t seasick or stupid, just lush and a little bit of wobble.
- individual wet & dry controls is a huge advantage
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Sounding good!

I totally agree about that sway control. Similar to the modulation on Aleph’s Tape Delay, it’s pretty tasteful. I can leave both of those on and not get annoyed by them.

It does interact with the feedback, saturation, and onset controls. If you crank those up to goofy territory the sway will stick out a bit more.
 
Sounding good!

I totally agree about that sway control. Similar to the modulation on Aleph’s Tape Delay, it’s pretty tasteful. I can leave both of those on and not get annoyed by them.

It does interact with the feedback, saturation, and onset controls. If you crank those up to goofy territory the sway will stick out a bit more.
cheers 🤙🏻 yeah true there’s a lot going on with this thing. good fun.
it’s just as well the momentary switch is there for ‘damp’ mode cos that feedback really wants to run away.
 
Appreciate the demo. Sounds great! Gonna have to check this out if I still got one of those bricks laying around somewhere.

Hoping the Bucs make the playoffs. My Bengals are a lost cause this season.
ay thanks for checking it out 🤙🏻
yeah it’s definitely worth buying a brick if you don’t find one.

if i’m honest, i don’t actually follow NFL 😅, but i was given this hat a while ago and found it again the other day

If you want "someone abusing a Bigsby at the back of a cave", set Onset and Sway high and Decay low, then adjust Saturation and Feedback to taste.
are there any other creatively described suggested settings we’re missing out on?
these really should be compiled into a booklet like the little boss manuals

Now all we need is a demo of you playing the troglodyte into that hm-2 😋
i guess i gotta build the HM-2 first (got the promethium board now at least)
 
Sway, Saturation, and Decay all the way up, Feedback off, then play choppy chords is the "wet robot farts in an empty airplane hangar" setting. You can do something similar with the Tape Delay and Special Sauce because themodulation sub circuit is similar in all of them.

A lot of the useful settings are in my demo. I left out most of the "stupid pedal tricks".
 
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