[sdiy] WTB/WTT: 709 op amps

[dj hohum]

Judging by the following video, the magic of the cracklebox lies in
the fingertips. Seems like the perfect gift for geeky teenage boys.

http://youtube.com/watch?v=qI8XjXkWdkE&mode=related&search=

As can be seen in this video, however, there isn't much magic when one
spends ones time alone with the cracklebox.

http://youtube.com/watch?v=TiT_40WJmyc

As can be seen here, cracklebox + group does not lead to magic either.

http://youtube.com/watch?v=55lMJw6OQtQ&mode=related&search=

It seems taking the cracklebox too seriously doesn't lead to magic either

http://youtube.com/watch?v=EO96lK0Fvx4

It seems that if one is going to limit oneself to touching oneself
then the FM Spasmoharmodium is the instrument of choice.

http://youtube.com/watch?v=Ke4Y05IYWfQ&mode=related&search=

Then again, maybe the magic is in the wooden box and has nothing to
with the electronics or the fingers. This guy made one with an old
radio...in a wooden box...of course.

http://www.bitminds.net/kymatica/index.php/Hardware/CrackRadio

After listening to the mp3, I'm pretty sure the magic is in the fingertips.









On 6/27/07, Paul Perry <pfperry at melbpc.org.au> wrote:
> I havn't heard of differences between 709s.
> Most of the 'magic' comes from being able to bugger around with the bias
> offset pins.
> A friend built one for his little girl, using a plastic DIL uA709.
>
> Paul perry Melbourne Australia
>
> -----Original Message-----
> Btw, are there great differences with different 709 versions?
> I found 4 or 5 of them in the scrapheap (can't remember the exact
> versions) and I wanna make some crackleboxes too!
>
>
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