1776 Effects Multiplex Jr.
Schematic and info HERE . Original calls for a VTL5C3 vactrol but since they are obsolete and stupidly expensive the layout calls for a home made vactrol. Just socket the LED and LDR to find the right combo.
Modulation
Seppuku Fx Mind Warp
Schematic, trace and info avaiable at FSB. Note that there is a cap value missing across pin 11 and 12 at the PT2399. There is a 10nF cap across pin 9 and 10 so a close value to that should work. Also, lug pot numberings isn’t marked on iether of the schematics so lug numbering … Read more
The Gristleizer
Quite wild voltage controlled modulation and filter circuit by Roy Gwinn dated back in 1975. The most famous user was probably Chris Carter from Throbbing Gristle. Some mods have been done for this layout to make more compact and reduce ticking and hiss which is a common problem. Many thanks should go to mictester from … Read more
Death by Audio Echo Dream 2 w. charge pump
Added an onboard charge pump to this one for 18v operation since the function generator IC XR2206P needs at least 10v to operate as it should.
Earthquaker Devices Grand Orbiter
*Edit 200604* Now verified. *Edit3* 200625*Removed one link and a cut.
