EchoBase

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After playing around with the WP-20 Mini-Synth I decided to build some kind of echo or reverb unit. In this thread I found the EchoBase that is based on the PT2399. On eBay I found a guy in China that sold 5 of these for 10 dollars.


PT2399 datasheet / application note

Schematic (.BMP)

...and now for some pictures!





Here are two video clips of the EchoBase.

The EchoBase in action
...and again!