worra wrote:Speaking of Make Noise, got a DPO in today (straight trade for my unused E352). Gonna play this with the Cs-L side by side and keep one of them.
That's a pretty dang good trade! I love my DPO, the array of sounds is endless. I'm sure you'll have some vidja on yr insta soon but feel free to shoot me some outtakes of this shootout. I've only recently started wondering what the world of complex oscs is like outside of the DPO, but my Make Noise-lovin' self is highly unlikely to change course.
yeatsvisitslincoln wrote:Vactrols are made with cadmium, which is a public health nightmare. They're on their way out and will probably never really come back, unfortunately. Beyond the synth world, I don't really know of any other widely used application for them anymore that can't be don't by some other IC. In most cases, op amps and VCAs do a better job than vactrols from a circuit perspective. Honestly, I was surprised Make Noise decided to bring back the QMMG.
This matches my understanding of the topic, but I'm curious - an LPG (VCA & ACF) doesn't derive any of its properties from a vactrol, right? Vactrols are just the simplest (ie lowest part count) method of converting a pulse/trigger into a crude AD envelope, which then opens up the LPG?
This would certainly explain why Make Noise's own op-amp based LPG lacks their ubiquitous 'strike' input, but I'd be curious to have this verified by someone with an actual education in electrical engineering.
If I'm correct about all this then the real magic comes from the LED's response to a ping, and any coupled light sensor would theoretically be able to recreate the vactrol effect, but it's a matter of parts count (no physical materials work as well as CdS arrays, and digital sensors just require too many bits).
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solo tunes:
completed works ||
loosey goosey releasesassociated acts:
Raab Zamboni (fake jazz/real noise//sax, modular synth, editing, misc) ||
Field Guide (my best friends//sax on 2 tracks)
I make t-shirts, patches, koozies, buttons, CDs, sometimes tapes, and eventually i'll start working on pedals again. DM me for pricing!