ultra simple distortion effect

apunker · 30th December 2004, 11:33 AM

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!

Geek · 30th December 2004, 11:48 AM

This one sounds *great* with either guitar or bass

tschrama · 30th December 2004, 12:49 PM

try 'proco rat' in google... simple but pretty good sounding guitar distortion effect...

apunker · 30th December 2004, 09:02 PM

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! :-)

tschrama · 31st December 2004, 11:24 AM

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

Geek · 31st December 2004, 12:55 PM

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

rx7speed · 10th January 2005, 11:03 PM

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.

Optical · 11th January 2005, 01:16 AM

look no further than:
http://www.generalguitargadgets.com/

best site there is for guitar effects.

BbbyBld · 11th January 2005, 02:44 AM

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.

Nasse · 12th January 2005, 03:13 PM

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

30th December 2004, 11:33 AM	#1
apunker diyAudio Member Join Date: Dec 2004 Location: Jerusalem	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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30th December 2004, 12:49 PM	#3
tschrama diyAudio Member Join Date: Jul 2001 Location: The Netherlands	try 'proco rat' in google... simple but pretty good sounding guitar distortion effect...

31st December 2004, 11:24 AM	#5
tschrama diyAudio Member Join Date: Jul 2001 Location: The Netherlands	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

10th January 2005, 11:03 PM	#7
rx7speed diyAudio Member Join Date: Oct 2004	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.

11th January 2005, 01:16 AM	#8
Optical diyAudio Member Join Date: Nov 2002 Location: Auckland, New Zealand	look no further than: http://www.generalguitargadgets.com/ best site there is for guitar effects.

11th January 2005, 02:44 AM	#9
BbbyBld diyAudio Member Join Date: Oct 2004	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.

12th January 2005, 03:13 PM	#10
Nasse diyAudio Member Join Date: May 2004 Location: Scandinavia	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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