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Just wanted to post a follow-up. I've been using this pedal since I built it, and it's pretty much exactly what I wanted: a Spark Booster better tuned to my needs. Chuck managed to read my mind when he tuned and tweaked this circuit! Comparing the modified Dark Esbat to my Cast Iron, the Cast...

Because of my infatuation with the Animals Diamond Peak mod, which is a similar circuit that also calls for low-gain silicon transistors, I've got some notes on some you might be able to find: 2N4123 - Tayda - HFE 84-106, most at 94 MPSA42 - Tayda - HFE 85-108, most 85 or 95 2N2369A (plastic...

Thanks guys! I pointed him to this thread, hoping to get a little more direction, and he said: He also said he'll watch some demos. But based on his comments, and the feedback here, it sounds like the PH-1R is probably the better fit.

I have someone who wants me to build a phaser, either a clone of the EHX Small Stone, or the Boss PH-1R. Looks like Aion has boards for both of these, the Sunstone OTA Phaser and the Emerald Resonant Phaser, respectively. I haven't even played a phaser, let alone built one, in decades. The...

I assume you're referring to this discussion. Note that this Dark Esbat CDB mod shown here uses a different switching system: it uses a CD4053 for the actual circuit switching - it's an electrical switch, as opposed to a relay/mechanical switch we discussed in the other thread. Sure...

I finally got around to making a PCB for this! Build report here: Chuck D Bones Modded Dark Esbat / Ember Boost. Spoiler: it's exactly what I hoped it would be, a TCE Spark Booster with the mode/mids knob better tuned for my purposes. I have a few extra PCBs for anyone who wants one. I can...

A few years ago, I build the PedalPCB Ember Boost, which is based on the TC Electronic Spark Booster. This is marketed as boost, which it certainly is, but the "fat" and "mid" modes also make it useful as a light overdrive; the Baxandall tone stack gives it a fairly flexible EQ. The core...

100% this. Awesome badass work and build!

Great build, thanks for sharing!

@Eugene_M - See here for an answer. (Thanks @jwin615 for the mention, otherwise I wouldn't have seen this.)

Addressing a question that came up in this thread: If you have a micro controller for which there is a prebuilt image, then you don't need to do any compiling, you just need to flash the image. The ATtiny13(a) is one of the micro controllers for which I have precompiled images. The project's...

(I would have replied sooner, but I've been traveling with only my phone and spotty internet service.) This is so cool, you are the first person to "discover" this via GitHub, rather than through these forums. And if you haven't seen this, here's a forum thread where I first discussed this...

I believe the LP2950 also has a lower max current compared to the LM78 regs. In fact, they make LM78 regs in the really big package that are made to be bolted to a heatsink. I spec the LP2950 for the relay bypass PCBs I've made, both the microcontroller based design, as well as the CMOS hex...

That's a good point, I totally forgot that you always pay the voltage drop, regardless of regulator. Where I was coming from with that was the no- or extremely-low load case where the regulator's quiescent current becomes significant. In this specific scenario, the fancier regulator does help...

Note that's only true for a linear taper ("B") pot. For logarithmic or audio taper ("A", "C", "W"), the noon/50% pot position is not 50% of the pot resistance.

As requested! Laying against one of the acoustic panels I just received, trying to damp the liveliness of the practice space.

Love the G&L love! My #1 is a US-made G&L ASAT Special. It was a custom job that popped up on Reverb for a killer deal: ebony fretboard, quartersawn neck, body contour cut, stainless steel frets. I added locking tuners and sent the body to Ilitch Electronics, who installed a passive...

At slightly higher cost, consider the LP2950 regulator instead of the 78Lxx series. The actual dropout voltage is smaller, which makes it a bit more efficient/waste less power. AP7375 also looks good, but I think it's surface mount only.

Great-looking build and great writeup! I think your daughter's design does look more "artistic" or "professional", for lack of better words, but I do like the Forest Gump design too. This appears to be the v1 Tim... @Robert, has there been enough breathing time yet?

I called Chuck's Hybrid Fuzz Driver Deluxe the "Fuzzy Mutt", but I like you guys' 70s classic rock- and fantasy-inspired names better. I just finished Jordan's entire Wheel of Time series, and am looking for more epic fantasy. I'd never heard of the Elric series before this, and it looks to...