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Found another outlier: this "modern DIY" approach to a BBD chorus by Demedash. Steve forgoes an active Sallen-Key filter for simple RC anti-aliasing. I haven't tested this schematic, but this would seem to indicate that impedance around a BBD might not be as important as I otherwise would...

I know this is a niche case, but this design is even more confusing: the infamous Korg CX-3 Rotary Emulator The top modulated line uses only BJTs in Sallen-Key filters (4 of them, including one with a resonance peak, I think?). The lower modulated line uses one BJT filter before the BBD, but...

Hello! I'm curious about the use of transistors in chorus schematics, specifically those used in active filters before and after the BBD. For example, here's an excerpt of Caesar Chorus (Walrus Julia) schematic (link to full schematic): To my ignorant eyes, these are Sallen-Key filters...

Yep, the "clean" path is the Neve 1073 preamp, or rather two of them in series (schematic) I'm not sure what technical name this arrangement of transistors might have, but it's also very similar to the preamp found in the Univibe (schematic) As far as achieving the goal of a "transparently...

The Madbean Silverfox. Didn't exactly buy it on a whim, it was a freebie add-on to an order, but was very surprised at how nice a low-gain tone sweetener can be.

Gotta find the right tool for the job: Home Mechanic Pedal Wrench

I'm in Florida - I'd be down to help!

I like a challenge

Excellent stuff - that's inspired!

Is there contact between the transistor cases and through-hole plating? Looks kind of like they're connected to the circuit.

FWIW those archival boxes have made an appearance in a previous "That Pedal Show," I think it was something about the iterations of the Morning Glory. Josh mentioned that they only had enough parts to make 15k units. I'm not sure about any conspiracy, but their supply line is neatly tied up...

I've managed to kick all daytime cigs, but I'd better have one ready after bath and bedtime. ☠️

I got a clean in my mystery box and I'm trying not to be disappointed, lol. I've found that the most practical use for my situation is putting it right before my cheap audio interface when I'm tracking guitars. Basically using it like a fancy studio compressor. In conjunction with a preamp (my...

Rad, this gives me hope for my project!

Above and below the reference voltage (4.5v)? So that would mean that the 2-7v active filter is needed, I think, and the STOMPLFO output will likely be stronger than the stock LFO.

I'm curious about this process as well. I haven't done much studying of basic LFO circuits and their behaviors, but I think one of the points to consider is the voltage swing of the LFO cycle. The STOMPLFO datasheet has a couple of output filtering examples - a passive one for a 0-5v swing, and...

"Butt Rock" is the kind of stuff they play on those "alternative" radio stations where they play "nothing but rock."

Following this - I've been burned by JLCPCB's extra fees for not doing things correctly 😵

Yep, my experience as well. The tips on organizing the board according to "stamps" was very helpful when I was getting overwhelmed by ambitious projects. Otherwise there are YouTube videos that are much more informative and relevant for today's CAD programs.

If you really want to do a MOJO build, forget NOS components and design your PCB with references to urban landscapes, such as the psychogeography found in Ciat Lonbarde synthesizers