Watch the incredibly soulful sounding bad stone in action.
Bad stone phaser schematic.
This demo includes a brief interview with ehx founder mike matthews talking about phase shifting.
It was designed by bob bednarz and it was the first phase shifter to employ feedback in the circuitry.
The guitologist 41 224 views.
2015 03 19 electro harmonix small stone phaser demo by alex t 2015 05 12 electro harmonix v 4 small stone phaser w soaringtortoise electronics pedal less expressor mod by soaringtortoise 2015 09 06 electro harmonix small stone v1 by phosphene audio 2015 12 05 vintage electro harmonix small stone phase shifter by tokiony.
Regarding my previous comments after i tested the values of the two schematics.
Now ehx has re issued the classic pedal in a modern package.
The bad stone was released 1975 and produced until 1981.
Electro harmonix reissue of the classic three knob six stage bad stone phase shifter.
The russians rigged this guitar pedal electro harmonix sovtek small stone phaser reissue repair duration.
The bad stone phase shifter made history as the first six stage phaser with an adjustable feedback control and a manual mode that actually lets you freeze the phase sweep.
Again this vero is correct 3.
The correct value is 100r and not 100k so the value in the value in the vero is correct 2.