Bluff Chill Devices Ectoverb V1

 Wanna build reverb without a bulky Belton brick? Bluff Chill Ectoverb got you covered. This one is using two PT2399 ICs in series to achieve a quite murky, spacey and lo-fi reverb. Schematic and more info HERE.

Bluff Chill Devices Shagpile V1

 Here is a very interesting and not overly complicated PT2399 based circuit from Bluff Chill Devices. It is an "envelope modulated delay" which sort of emulates a worn out tape delay.

This layout is for V1 only but there is two layouts; one for stock 2 knob version and one modified 4 knob version. See details for the latter further down of this post

First up the schematic and a writeup about possible mods at the Bluff Chill blog.

 

And the modified version with added Mix and Realese controls. Note that pot values and lug connections isn't mentioned in the blog post so some tweaking is necessary to get satisfying results. I added the values that "should" work...

 *Edit* Jordan verified the modified layout bellow and tested pot values and tapers.

 

Later versions also had a feedback control and an improved blend circuit but there is no schematic avaiable for it on the web...
 

Bluff Chill Devices Hyper Light V1

 A quite interesting PT2399 delay with a ringmod circuit in the wet path for dirty and robotic delay repeats. Schematic is avaiable HERE.