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Leslie Simulator
Leslie Simulator
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Old 29th August 2004, 06:02 PM   #1
nordine is offline nordine  Chile
diyAudio Member
Join Date: Aug 2004
Location: antofagasta
Default Leslie Simulator

hi again,

in my usual searching i found this thing:


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?

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Old 31st August 2004, 09:34 PM   #2
Tim__x is offline Tim__x  Canada
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.
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Old 1st September 2004, 02:42 PM   #3
nordine is offline nordine  Chile
diyAudio Member
Join Date: Aug 2004
Location: antofagasta

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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