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Old 30th December 2004, 11:33 AM   #1
apunker is offline apunker  Israel
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Cool ultra simple distortion effect

Hello!
I am lookin' for an ultra-easy distortion effect to build. If you guys can help me I would love that coz I have tried to find in google, but couldnt find anything interesting. Plus I dont know too much, so I dont know exactly what is a good, working and easy schematic. So I basically have hard time to find. If you guys can help me that would be Awesome! :-) Thanks!
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Old 30th December 2004, 11:48 AM   #2
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This one sounds *great* with either guitar or bass
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Old 30th December 2004, 12:49 PM   #3
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try 'proco rat' in google... simple but pretty good sounding guitar distortion effect...
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Old 30th December 2004, 09:02 PM   #4
apunker is offline apunker  Israel
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Quote:
Originally posted by tschrama
try 'proco rat' in google... simple but pretty good sounding guitar distortion effect...

Thank you! But that's the reason I ask it here: I heard that the schematics on the internet are sometimes not good and not working. That's why I ask if you guys can help me finding me a good working one.
As for the guy that gave that last schematic: Thanks alot! I will try that! :-)
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Old 31st December 2004, 11:24 AM   #5
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http://www.joness.com/gr300/proco.htm

you can forget the input and output buffer (BF245a and related components).. just straight in the opamp (cap, biased at 4.5Volt).. and striaght out to a 100K pot...... that's how I build them... higly recommended...


offcourse a tube schematic is a totally different game.. both sound and build-wise.. 250Volt on a stomp box is not recommended ......


PS

ultra simple, but doesn't sound halve as good as a rat..
http://www.joness.com/gr300/dod250.htm
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Old 31st December 2004, 12:55 PM   #6
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Quote:
Originally posted by tschrama
250Volt on a stomp box is not recommended ......
I used 1/8" aluminum on mine, with the innards mounted on rubber grommets for shock absorbtion. All metal, of course, is grounded
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Old 10th January 2005, 11:03 PM   #7
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another CHEAP AND VERY EASY one to build that is jfet based and has a decent sound if you up the gain a little

http://www.till.com/articles/GuitarPreamp/

I have built it and it did work.
I did change a few things though
the 3M input resistor isn't present on my preamp design
the 51k resistor on the output has been changed toa 47k being that was the closest I had

you can change the drain resistor (2.2k) to change the gain of the amp up or down. larger resistor less gain, smaller resistor for more gain leading to distortion if you go low enough.
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Old 11th January 2005, 01:16 AM   #8
Optical is offline Optical  New Zealand
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look no further than:
http://www.generalguitargadgets.com/

best site there is for guitar effects.
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Old 11th January 2005, 02:44 AM   #9
BbbyBld is offline BbbyBld  United States
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I haven't tried it yet, but I hear you can wire a digital inverter like an opamp to get a quick and easy distortion effect.

It's on my list of experiments.
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Old 12th January 2005, 03:13 PM   #10
Nasse is offline Nasse  Finland
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http://www.runoffgroove.com/doubled.html

Not always easy to tame those inverter based circuits. Sometimes they sound like 1000 000 dollars but another day and setup your circuit just sucks
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