[sdiy] cracklebox/kraakdoos

[rkmoore at memphis.edu]

I don't think there's any need to mess with a signal transformer.

I recently built a cracklebox from a schematic posted online.  I opted 
to not include a speaker because my case (an altoids box) was too 
small, and I just wanted to use it as a line source anyway.  

I skipped the transistor amplification stages and just took the signal 
out of the opamp through two resistors to ground.  I connected a 
capacitor between the two resistors and soldered the other end to the 
tip conductor of the 1/4" jack.  

This cut the signal level to an amplitude that will work easily with 
my other stuff and blocks DC at the output.  I just tried different 
resistor and capacitor values until I was pleased.

Richard

The cracklebox turned out kind of nice.  Check this page if you like:

http://www.geocities.com/afewmoores/page7.html

----- Original Message -----
From: bruce tovsky <bruce at skeletonhome.com>
Date: Wednesday, July 28, 2004 4:13 pm
Subject: [sdiy] cracklebox/kraakdoos

> hi all
> new to this list, but an old-time synth tinkerer
> (build my first synth - a paia - while still in
> high school in the early 70's.)
> has anyone here modified the steim cracklebox
> for line output? i searched the archives and found
> mention of a mod that uses an 8 - 10-ohm transformer
> to convert the signal to line level, but no further info,
> and while i can follow schematics/directions i'm pretty
> dumb in the creative arena here.
> thanks
> bruce
> 
> bruce tovsky
> www.skeletonhome.com
> 
>