Tuesday, 20 September 2016

Madbean Cave Dweller (2015)

Here is the newer version of the Cave Dweller.
You can find Brian's original project here.
Original info:


The Cave Dweller 2015is a total re-design of the Cave Dweller project from 2012.
While the original Cave Dweller was a simple and colorful sounding delay it had a few drawbacks;

it was pretty lo-fi, and darkened the dry guitar tone somewhat. This was due to the limitation of using only the PT2399 for both dry signal and delay signal processing. The objectives for the re-design were to improve the quality of delay and dry guitar signal without requiring as many parts as a full-fledged delay circuit such as the MBP ZP Micro. This is accomplished by introducing a new input stage for dry signal processing and also by adding additional filtering to the delay signal. The result remains fairly low in parts count without compromising on the delay tone.

Monday, 19 September 2016

Voodoo Lab Superfuzz

This was a request.
You can find the original FSB thread here.


Sunday, 11 September 2016

King Dubby Delay

Here's a really nice delay designed by Nocentelli.
You can find the original thread on FSB here.

This is his description of the circuit:
Here's a variation on the deep blue delay; two PT2399 chips and a current mirror delay pot give around 2200ms delay, although beyond 700ms gets pretty lo-fi. There are two points where a momentary SPST can be used: Either to briefly connect the input to the delay input on select phrases (dub mode), or to bypass the repeats feedback resistor for self-oscillation on demand.


Saturday, 10 September 2016

Earthquaker Devices Grey Channel

A dual overdrive based on the classic grey spec DOD 250.
The schematic didn't come from the original EQD pedal.
David has recreated the circuit on his website (Perf & PCB Effects Layouts).
You can find his original and verified layout here.


Orange AD200b MkIII (On Hold)

Up next in the tube preamp series, I give you the Orange AD200B MkIII. This is the current production AD200B, which has a few changes compared to the MkI, which is why I figured it would be a good idea to make a layout for this version as well. Similar to the MkI, the MkIII is known for great clean, with a focused midrange, but has great grit with the gain cranked.

Unlike the Sunn Model T, this has not been breadboarded and tested out, I just followed the same concepts Ciaran and I used to convert the Model T preamp to use FETs. This means at this point, there may need to be some tweaking to component values to get it just right.


Edit: Putting this on hold until i can get some time to breadboard it and get it sounding right.