6 stage optical phaser project

[jubal81]

I was surfing around and came across the sweetest phaser sound I've heard. The project is pretty well documented, but it's broken up over three pages and the author isn't a native English speaker, which makes it pretty confusing since I don't know much of anything about phasers to begin with.

Here's the link to the first page:
http://www.aleph.co.jp/~takeda/radio/phaser/index3E.html

Here's a link to the demo:
http://www.aleph.co.jp/~takeda/radio/mp3/ps-guitar.mp3

[jubal81]

Here's the LFO section:



Here's the main circuit:




And the thing:

[nzCdog]

'yoi yoi yoi'... demo sounds pretty darn good
just need a 1590A layout

[alanp]

What I like best about this is that it looks like you don't need LM13600 (aka awful to find from an e-tailer that is NOT ebay) or matched FETs (aka have fun with the bagful of FETs that don't match up!)

[jimijam]

136000s are 89cents at smallbear. i just got 20 of em.