ETI 447
Project 447 Audio Phaser
Other names for this product: ETI447,
Courtesy/Thanks to: Electronics Today International
Description: This is a six-stage phaser, that is quite easy to build, the original design uses uA741 OpAmps, but any standard opamp of today will be at least as good, probably much better.
from the article in ETI Sep 1976
This six-stage phaser can make your electric guitar sound really spacey. And costs less than thirty bucks to build.
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