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Old 13th December 2002, 09:39 PM   #1
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Default gotta start somewhere----

just soldered my first little thing today--it isnt much but it works, which is what is important ... i am going to make some active filters for my stereo in my car, using opamps, but i need negative voltage, so i made this circuit to generate about -10/-12V from 12/14V input (car)...

this is the circuit

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and here are a few pics of what i made---

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i tihnk i need to improve my soldering skills a little--or get an iron with a better tip--the one i have is really large, and it was hard work in close areas... anyway, just thought id share---in the near future im going to try to make an amp based on the lm3876 ---


-chris
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Old 13th December 2002, 10:39 PM   #2
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Hi Chris,

Since this post is in the “Introductions” forum, I’m assuming it to be your belated introduction. In that case welcome to the forum.

There have been a couple of good threads on soldering and soldering irons recently you might want to try and search for.

Have Fun,
Rodd Yamashita
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Old 16th December 2002, 10:59 PM   #3
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Welcome to the forums Chris

The soldering may be a bit iffy, but you seem to have a good start with MDF and gaffer tape, you can fix just about anything with them!
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Old 17th December 2002, 12:00 AM   #4
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hehe yeah ive worked with mdf for a while now--ive built tons of subwoofer enclosures for cars... i plan on doing my home speaker set in time---not sure what kind of wood to use, bc i want it to look nice--.. mdf is great for cars bc everything just gets carpeted...
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Old 17th December 2002, 12:31 AM   #5
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Just do some searches on finishing and veneering in the loudspeaker forum, I'm sure you will find inspiration.
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