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stupid simple over drive project


pinkjimiphoton

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here ya go... stupid simple project if ya wanna take the plunge..

 

[video:youtube]

 

here's the schematic... you can use any old single opamp. radio shack has almost all the parts you need for this. if ya go rat shack, ya need a 741 for the chip. the pinout is the same.

 

http://i605.photobucket.com/albums/tt137/pinkjimiphoton/SSOD1A2_zps6d120fe5.png

 

here's a vero layout:

 

http://i605.photobucket.com/albums/tt137/pinkjimiphoton/STUPIDSIMPLEOVERDRIVE1VERO_zpse510b645.png

 

here's a pcb/perf version, with polarity protection and power supply filtering added

 

http://i605.photobucket.com/albums/tt137/pinkjimiphoton/5534od12wps_zpsc4422302.png

 

this is the actual unit, built point to point on the back of an ic socket (i wanted it really small so i could fit it in a hammond 1590a box... half the width of a distortion plus )

 

http://i605.photobucket.com/albums/tt137/pinkjimiphoton/ssodtop_zpsc4c49d84.jpg

 

http://i605.photobucket.com/albums/tt137/pinkjimiphoton/ssodside_zps8a65c757.jpg

 

in the box... tite squeeze, had to get rather "creative"...

 

http://i605.photobucket.com/albums/tt137/pinkjimiphoton/ssodguts_zps52f9a47d.jpg

 

you can build this inside a guitar, too, if'n ya wanna...

 

here's a couple point-to-point layouts i used when i was working up how to put all this crud on the back of a chip socket. ... only use these as a guideline. if ya wanna mount it on a socket like i did, you'll need to be creative.

 

http://i605.photobucket.com/albums/tt137/pinkjimiphoton/stupidsimpleoverdriveptp1_zps3d59e2cf.png

 

so far, this seems to be the most popular pedal i've designed now, with over 600 plays in less than 3 days. insane.

 

have fun. if ya need help/support/advice have picker or blues ape or craig or someone get a hold of me.

 

peace!

 

little red squares red dots in the middle are track cuts, make them with a small drill bit.

 

straight lines connecting things on the vero are jumpers, use the cut-off ends of resistors and caps or whatever.

 

when populating, start with jumpers, then resistors, then socket, then caps... easier that way.

 

have fun, me droogies...

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larry, that's my bud deadastro's most excellent chasm reverb project, it uses a belton brick reverb chip to get a very cool outboard reverb... sounds a lot like the old fenders. worthy project, heroic to do on perf.

i was lucky my bud mike burned me a board.

 

that said, off to phaser on work go i now to veroboard verily virally virilly, or something...

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