Leslie Simulator

nordine · 29th August 2004, 06:02 PM

hi again,

in my usual searching i found this thing:

http://www.generalguitargadgets.com/...130&Itemid=148

seems easy to build.... but, there are some details i'd like to clear up (for modding purposes):

-when it says a "clairex" LDR is needed... is this obligatory, or any generic LDR can be used?

-would this "incandescent lamp" be replaced by a simple LED?

-for what is needed that rectifier?? ..there is a rectifier and a transformer... is this just the switch from AC to DC??

-these 2n2712 transistors.... have any replacements?? are they rare?

thanks!!

Tim__x · 31st August 2004, 09:34 PM

A generic LDR would work.
Yes the rectifier is there to supply DC from the AC line.
And yes you could replace the lamp with a LED, although it may not work quite as well. just change R24 to around 600ohms.
You could probably replace the 2n2712's with any high gain NPN, may I suggest 2n2222, 2n3904 or 2n4401 if you can't find 2n2712.

nordine · 1st September 2004, 02:42 PM

GREAT!!!

i have lots of 2222's
the transistor thing was troubling me a lot

thanks man, i'm out to build it

29th August 2004, 06:02 PM	#1
nordine diyAudio Member Join Date: Aug 2004 Location: antofagasta	Leslie Simulator hi again, in my usual searching i found this thing: http://www.generalguitargadgets.com/...130&Itemid=148 seems easy to build.... but, there are some details i'd like to clear up (for modding purposes): -when it says a "clairex" LDR is needed... is this obligatory, or any generic LDR can be used? -would this "incandescent lamp" be replaced by a simple LED? -for what is needed that rectifier?? ..there is a rectifier and a transformer... is this just the switch from AC to DC?? -these 2n2712 transistors.... have any replacements?? are they rare? thanks!!

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31st August 2004, 09:34 PM	#2
Tim__x diyAudio Member Join Date: Jun 2004 Location: Edmonton area, Alberta	A generic LDR would work. Yes the rectifier is there to supply DC from the AC line. And yes you could replace the lamp with a LED, although it may not work quite as well. just change R24 to around 600ohms. You could probably replace the 2n2712's with any high gain NPN, may I suggest 2n2222, 2n3904 or 2n4401 if you can't find 2n2712.

1st September 2004, 02:42 PM	#3
nordine diyAudio Member Join Date: Aug 2004 Location: antofagasta	GREAT!!! i have lots of 2222's the transistor thing was troubling me a lot thanks man, i'm out to build it

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