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[TTC]

I remember seeing the whisper 2000 detcan link, but im more interested in using a stock knock sensor hooked up to a amp with a microphone input.  But i forget if i needed resistors and shit for this. 

Is it just sensor ( mic ) --> mic input --> headphones?  Shit i gotta goto princess auto and poke around in the junk section.

[danz]

get a stethoscope it works better and doesnt involve a cheap amplifier that pics up more noise than knock

[92CXyD]

I printed it out for myself a while back.

On my printed copy the link is : http://www.talkjdm.com/showthread.php?t=3284

Hope this helps. ;D

I'm going try this sometime this month. :yes:

[patsmx5]

I was gonna do the same, but the consensus is that real mechanical det cans are better than anything with electronics.

[TTC]

http://www.radioshack.com/search/index.jsp?kwCatId=&kw=sound%20amplifier&origkw=sound%20amplifier&sr=1


Heres a link witih a $7 amp, odds are ill probably make both since they are so cheap.  Ive used electric ones before, and surprisingly all i ever heard was engine noise, no weird feedback or problems.  BUT it used a  peizo knock sensor as the mic as opposed to a weird little piezo.

[jdmhatchracer94]

92cxyd bad ass I will build one this week end and see how it works