madbeanpedals::forum

Projects => Build Reports => Topic started by: Dminner on May 29, 2017, 02:08:27 PM

Title: Spring Drone
Post by: Dminner on May 29, 2017, 02:08:27 PM
An instrument and not a pedal, but...there is a circuit in there.

Two piezos with individual vol and tone control. One runs clean and straight to the input, the other goes through and Electra distortion circuit. Can run either separately or both in parallel. The distortion channel is great at adding feedback and when ran in parallel the feedback is tamed but all the grit and distortion is retained :)
Title: Re: Spring Drone
Post by: peAk on May 29, 2017, 02:17:42 PM
 :o

Wow.
Title: Re: Spring Drone
Post by: matmosphere on May 29, 2017, 02:28:02 PM
Cool, play it with a violin bow.

If you don't already have this book you should.

https://www.amazon.com/Handmade-Electronic-Music-Hardware-Hacking/dp/0415998735

It's crazy inspiring.
Title: Re: Spring Drone
Post by: midwayfair on May 29, 2017, 02:39:55 PM
Spiffy! ... I wanna hear it.
Title: Re: Spring Drone
Post by: jimilee on May 29, 2017, 03:47:10 PM
That is very neat looking and a cool idea.


Sent from my iPhone using Tapatalk
Title: Re: Spring Drone
Post by: m-Kresol on May 29, 2017, 04:04:55 PM
great build. So, you just pluck the springs and pick up the vibrations with the piezzos? Is there any signal amplification involved for the clean path? No idea how much signal a piezzo pickup is producing, but piezzo signals in general are really low for small lateral changes ???
Title: Re: Spring Drone
Post by: Dminner on May 29, 2017, 04:19:27 PM
Quote from: m-Kresol on May 29, 2017, 04:04:55 PM
great build. So, you just pluck the springs and pick up the vibrations with the piezzos? Is there any signal amplification involved for the clean path? No idea how much signal a piezzo pickup is producing, but piezzo signals in general are really low for small lateral changes ???

No amplification at all for the clean side. Not just the springs you can tap on the enclosure for drum sounds as well :). Lots of sounds. Taping, scrapping and hiting springs. I need to swap the biggest spring out though, there is not
Enough tension on that one.

The piezos are fairly larger. Like 1.5" I heard the larger the piezo the less need for amplification.
Title: Re: Spring Drone
Post by: lincolnic on May 31, 2017, 01:57:59 AM
This is so damn cool. Can we please have a demo?
Title: Re: Spring Drone
Post by: Dminner on May 31, 2017, 03:04:48 AM
Quote from: lincolnic on May 31, 2017, 01:57:59 AM
This is so damn cool. Can we please have a demo?

Just made this...I'm not great at it...

https://m.youtube.com/watch?v=vUfiwB2l3oE
Title: Re: Spring Drone
Post by: bluescage on May 31, 2017, 08:05:10 AM
Cool!!