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Topics - crashguitar

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Open Discussion / Self serving post
« on: January 04, 2015, 10:08:41 AM »
My band Able Archer has posted a new song on bandcamp. Feel free to download and name your own price.

End of advertisement.


Open Discussion / Shameless Self Promotion
« on: March 18, 2014, 09:03:04 PM »
So my band, Able Archer, just released a song online. You can get it for free at

I used several Madbean pedals on the guitar tracks.


General Questions / L7812 to power FCV100?
« on: February 22, 2013, 04:46:55 PM »
OK, I use a Behringer FCV100 volume pedal. I would like to power it with an adapter instead of batteries. For some reason, it will run on a 9v battery but needs a 12v power supply.
So my noobish question is: can I make a charge pump using a L7812 and power it with a regular 9v power supply?
Looking at the data sheet for the L7812 (, fig. 4 application), I think I take 9v in with a .33uF cap to ground in parallel with the input and a .1uf cap to ground with the output and then get 12v out. Am I understanding this correctly?


General Questions / regulator for road rage
« on: December 12, 2010, 12:24:59 PM »
Is the regulator for the road rage available at Mouser? I think I have most components figured out, but I am new to this component.

Requests / Dinky Drive pcb artwork
« on: November 30, 2010, 08:07:29 PM »
I feel little guilty for asking this, but any chance of posting the pcb artwork for etching the Dinky Drive?

Tech Help - Projects Page / Shottky or Ge diodes?
« on: June 27, 2010, 01:56:28 PM »
Hello, I am trying to get the parts together to build a compressor sustainer I found over at FSB. It indicates a Ge diode or a Shottky. I am unsure what to get. I believe that it is part of a clipping block. Would a a 1N34A Ge diode work? I also see a lot of different Shottky's listed. If I went for one of these, which one?

Build Reports / Zombii
« on: May 10, 2010, 02:09:17 PM »
Here is my Zombii build. This is my second pedal build and first using Madbean's PCB. Thanks for the cool resources, Madbean.

Requests / Footswitch PCB
« on: April 23, 2010, 09:16:58 AM »
I was looking through some of the BYOC instructions and I noticed that they were using a small PCB for wiring/attaching a 3pdt footswitch (I found in in their tremolo instructions). Seems like something like this might make wiring the switch a lot easier. Any thoughts on making something similar?

General Questions / Pot schem labels
« on: April 16, 2010, 03:50:13 PM »
A noob question:
I am looking at building a few pedals and understand most of the markings on the schematics. I want to clarify how pots are labeled. Am I right that a 'B' such as, 10kB, is a linear pot? Then a pot with an 'A' is an audio taper?
What does the 'C' designation mean, such as a 10kC?


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