20091009

Danelectro BLT Echo mods (Sample Length and Drone Machine)

This little monster combines uses two mods; one discovered by soulsonic of freestompboxes.org, and one that I found while poking around.


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Soulsonic's mod turns this crappy, single-speed echo into a surprisingly decent variable-speed delay pedal! Simply locate pin 6 of the PT2399S, remove the attached resistor labelled "682" and replace with a pot and resistor. Soulsonic reccomends a 50k pot and 180 ohm resistor, but I used a 100k pot and 220 ohm resistor.


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The second mod is a feedback loop connecting the bottom two wires pictured above with two different capacitor selections to create a wave effect in the drone. With this mod, I also added a 100k "feedback strength" pot, and a switch so you can throw it into standalone mode without anything plugged in (top two wires in the picture above).


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When these two mods are combined, the BLT is so much fun to play with! There are 5 controls, mix, repeat, sample length, feedback strength and feedback mode (A/off/B). As a standalone drone device, it packs a powerful punch. The sample-length mod creates some great pitch swoops and I once managed to make it sound EXACTLY like a turntable scratch! Unfortunately I wasn't able to reproduce that in this video.

Happy Glitching.

8 comments:

  1. @PeterPeterPumpkinEater glad to hear! Yeah, I actually like it better than my crappy Boss delay pedal for some situations. Plus the feedback mod is so much fun to use as a swooping drone-generator.

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